CSS English Chapter 4 Online Entry Test With Answers

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CSS English Chapter 4 Online Entry Test

Sr. # Questions Answers Choice
1
Q-6.Ocean water plays an indispensable role in supporting life.The great ocean basins hold about 300 million cubic miles of water.From this vast amount,about 80,000 cubic miles of water are sucked into the atmosphere each year by evaporation and returned by precipitation and drainage to the ocean.More than 24,000 cubic miles of rain descend annually upon the continents.This vast amount is required to replenish the lakes and streams,springs and water tables on which all flora and fauna are dependent.Thus the hydrosphere permits organic existence.
The hydrosphere has strange characteristics because water has properties unlike those of any other liquid.One anomaly is that water upon freezing expands by about 9 per cent,whereas most liquids contract on cooling.for this reason,ice floats on water bodies instead of sinking to the bottom.If the ice sank,the hydrosphere would soon be frozen solidly except for a thin layer of surface melt water during the summer season,Thus,all aquatic life would be destroyed and the interchange of warm cold currents,which moderates climate,would be notably absent.
Another outstanding characteristic of water is that water has a heat capacity which is the highest of all liquids and solids except ammonia.This characteristic enables the oceans to absorb and store vast quantities of heat,thereby often preventing climatic extremes in addition water dissolve more substances than any other liquid.It is this characteristic which helps make oceans a great storehouse for minerals which have been washed down from the continents.In several areas of the world these minerals are being commercially exploited.Solar evaporation of salt is widely practised,potash is extracted from the Dead Sea,and magnesium is produced from sea water along the American Gulf Coast.

v.The author's tone in the passage can best be described as?
 Dogmatic Dispassionate Speculative Biased Hortatory
2
Q-6.Ocean water plays an indispensable role in supporting life.The great ocean basins hold about 300 million cubic miles of water.From this vast amount,about 80,000 cubic miles of water are sucked into the atmosphere each year by evaporation and returned by precipitation and drainage to the ocean.More than 24,000 cubic miles of rain descend annually upon the continents.This vast amount is required to replenish the lakes and streams,springs and water tables on which all flora and fauna are dependent.Thus the hydrosphere permits organic existence.
The hydrosphere has strange characteristics because water has properties unlike those of any other liquid.One anomaly is that water upon freezing expands by about 9 per cent,whereas most liquids contract on cooling.for this reason,ice floats on water bodies instead of sinking to the bottom.If the ice sank,the hydrosphere would soon be frozen solidly except for a thin layer of surface melt water during the summer season,Thus,all aquatic life would be destroyed and the interchange of warm cold currents,which moderates climate,would be notably absent.
Another outstanding characteristic of water is that water has a heat capacity which is the highest of all liquids and solids except ammonia.This characteristic enables the oceans to absorb and store vast quantities of heat,thereby often preventing climatic extremes in addition water dissolve more substances than any other liquid.It is this characteristic which helps make oceans a great storehouse for minerals which have been washed down from the continents.In several areas of the world these minerals are being commercially exploited.Solar evaporation of salt is widely practised,potash is extracted from the Dead Sea,and magnesium is produced from sea water along the American Gulf Coast.

Iv.According to the passage the hydrosphere is NOT
 Responsible for all forms of life Able to modify weather A source of natural resources In danger of freezing over The part of the earth covered by water
3
Q-6.Ocean water plays an indispensable role in supporting life.The great ocean basins hold about 300 million cubic miles of water.From this vast amount,about 80,000 cubic miles of water are sucked into the atmosphere each year by evaporation and returned by precipitation and drainage to the ocean.More than 24,000 cubic miles of rain descend annually upon the continents.This vast amount is required to replenish the lakes and streams,springs and water tables on which all flora and fauna are dependent.Thus the hydrosphere permits organic existence.
The hydrosphere has strange characteristics because water has properties unlike those of any other liquid.One anomaly is that water upon freezing expands by about 9 per cent,whereas most liquids contract on cooling.for this reason,ice floats on water bodies instead of sinking to the bottom.If the ice sank,the hydrosphere would soon be frozen solidly except for a thin layer of surface melt water during the summer season,Thus,all aquatic life would be destroyed and the interchange of warm cold currents,which moderates climate,would be notably absent.
Another outstanding characteristic of water is that water has a heat capacity which is the highest of all liquids and solids except ammonia.This characteristic enables the oceans to absorb and store vast quantities of heat,thereby often preventing climatic extremes in addition water dissolve more substances than any other liquid.It is this characteristic which helps make oceans a great storehouse for minerals which have been washed down from the continents.In several areas of the world these minerals are being commercially exploited.Solar evaporation of salt is widely practised,potash is extracted from the Dead Sea,and magnesium is produced from sea water along the American Gulf Coast.

iii.Which of the following characteristics of water does the author mention in the passage?
I.Water expands when it is frozen.
II.Water is a good solvent.
iii.Water can absorb heat.
 I only II only I and II only II and III only I,II,and III
4
Q-6.Ocean water plays an indispensable role in supporting life.The great ocean basins hold about 300 million cubic miles of water.From this vast amount,about 80,000 cubic miles of water are sucked into the atmosphere each year by evaporation and returned by precipitation and drainage to the ocean.More than 24,000 cubic miles of rain descend annually upon the continents.This vast amount is required to replenish the lakes and streams,springs and water tables on which all flora and fauna are dependent.Thus the hydrosphere permits organic existence.
The hydrosphere has strange characteristics because water has properties unlike those of any other liquid.One anomaly is that water upon freezing expands by about 9 per cent,whereas most liquids contract on cooling.for this reason,ice floats on water bodies instead of sinking to the bottom.If the ice sank,the hydrosphere would soon be frozen solidly except for a thin layer of surface melt water during the summer season,Thus,all aquatic life would be destroyed and the interchange of warm cold currents,which moderates climate,would be notably absent.
Another outstanding characteristic of water is that water has a heat capacity which is the highest of all liquids and solids except ammonia.This characteristic enables the oceans to absorb and store vast quantities of heat,thereby often preventing climatic extremes in addition water dissolve more substances than any other liquid.It is this characteristic which helps make oceans a great storehouse for minerals which have been washed down from the continents.In several areas of the world these minerals are being commercially exploited.Solar evaporation of salt is widely practised,potash is extracted from the Dead Sea,and magnesium is produced from sea water along the American Gulf Coast.

ii.According to the passage,fish can survive in the oceans because
 They do not need ocxygen Ice floats Water absorbs heat There are currents in the oceans Evaporation and condensation create a water cycle
5
Q-6.Ocean water plays an indispensable role in supporting life.The great ocean basins hold about 300 million cubic miles of water.From this vast amount,about 80,000 cubic miles of water are sucked into the atmosphere each year by evaporation and returned by precipitation and drainage to the ocean.More than 24,000 cubic miles of rain descend annually upon the continents.This vast amount is required to replenish the lakes and streams,springs and water tables on which all flora and fauna are dependent.Thus the hydrosphere permits organic existence.
The hydrosphere has strange characteristics because water has properties unlike those of any other liquid.One anomaly is that water upon freezing expands by about 9 per cent,whereas most liquids contract on cooling.for this reason,ice floats on water bodies instead of sinking to the bottom.If the ice sank,the hydrosphere would soon be frozen solidly except for a thin layer of surface melt water during the summer season,Thus,all aquatic life would be destroyed and the interchange of warm cold currents,which moderates climate,would be notably absent.
Another outstanding characteristic of water is that water has a heat capacity which is the highest of all liquids and solids except ammonia.This characteristic enables the oceans to absorb and store vast quantities of heat,thereby often preventing climatic extremes in addition water dissolve more substances than any other liquid.It is this characteristic which helps make oceans a great storehouse for minerals which have been washed down from the continents.In several areas of the world these minerals are being commercially exploited.Solar evaporation of salt is widely practised,potash is extracted from the Dead Sea,and magnesium is produced from sea water along the American Gulf Coast.

i.The author's main purpose in this passage is to
 Describe the properties and uses of water Illustrate the importance of conserving water Compare water with other liquids Reveal the extent of the earth's ocean masses
6
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

vii.The author's tone in the passage can best be described as
 Meditative Objective Ironic Concerned Bombastic
7
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

vi.Which of the following methods is NOT used by the author?
 Inclusion of concrete examples Classification and discussion Comparison and contrast Observation and hypothesis Cause and effect
8
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

v.The passage contains information that would answer which of the following question?
I.Which elements form igneous rocks?
II.What produces sufficient pressure to alter a rock?
III.Why is marble called a metamorphic rock?
 I only III only I and II only II and III only I,II,and III
9
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

iv.The relationship between igneous and sedimentary rocks may best be compared to the relationship between.
 Leaves and compost Water and land DNA and heredity Nucleus and cell wall Sand and clay
10
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

iii.The passage would be most likely to appear in a.
 Technical article for geologists Teaching manual accompanying an earth science text Pamphlet promoting conservation of natural resources Newspaper feature explaining how oil is found Nonfiction book explaining where to find the results of sedimentation
11
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

ii.All of the following are sedimentary rocks EXCEPT.
 Shale Gravel Sand Limestone Schist
12
Q-5.Rocks which have solidified directly from molten materials are called igneous rocks.Igneous rocks are commonly referred to as primary rocks because they are the original source of material found in sedimentaries and metamorphics.Igneous rocks compose the greater part of the earth's crust,but they are generally covered at the surface by a relatively thin layer of sedimentary or metamorphic rocks.Igneous rocks are distinguished by the following characteristics:(1) they contain no fossils:(2) they have no regular arrangement of layers;and (3) they are nearly always made up of crystals.
Sedimentary rocks are composed largely of minute fragments derived from the disintegration of existing rocks and in some instances from the remains of animal As sediments are transported.Individual fragments are assorted according to size.Distinct layers of such sediments as gravels,sand,and clay build up as they are deposited by water and occasionally wind.These sediments vary in size with the material and the power of the eroding agent.Sedimentary materials are laid down in layers called strata.
When sediments harden into sedimentary rocks,the names applied to them change to indicate the change in physical state.Thus,small stones and gravel cemented together are known as conglomerates;cemented sand becomes sandstone;and hardened clay becomes shale.In addition to these,Other sedimentary rocks such as limestone frequently result from the deposition of dissolved material.The ingredient parts are normally precipitated by organic substance such as shells of clams or hard skeletons of other marine life.
Both igneous and sedimentary rocks may be changed by pressure,heat,solution,or cementing action.When individual grains from existing rocks tend to deform and interlock they are called metamorphic rocks.For example granite,an igneous rock,may be metamorphosed into a gneiss or a schist.Limestone,a sedimentary rock,when subjected to heat and pressure may become marble,a metamorphic rock.Shale under pressure becomes slate.

i.The primary purpose of the passage is to
 Differentiate between and characterise igneous and sedimentary rocks Explain the factors that may cause rocks to change in form Show how the scientific names of rocks reflect the rocks' composition Define and describe several diverse kinds of rocks Explain why rocks are basic parts of the earth's structure
13
Q-4. Both plants and animals of many sorts show remarkable changes in form,structure,growth habits,and even mode of reproduction in becoming adapted to different climatic environment,types of food supply,or mode of living.This divergence in response to evolution is commonly expressed by altering the form and function of some part or parts of the organism,the original identity of which is clearly discernible.For example,the creeping foot of the snail is seen in related marine pteropods to be modified into a flapping organ useful for swimming,and is changed into prehensile arms that bear suctorial disks in the squids and other cephalopods.The limbs of various mammals are modified according to several different modes of life-----for swift running (cursorial) as in the horse and antelope,for swinging in trees (arboreal) as in the monkeys,for digging (fossorial) as in the moles and gophers,for flying (volant) as in the bats,for swimming (aquatic) as in the sales,whales,and dolphins, and for other adaptations,the structures or organs that show main change in connection with this adaptive divergence are commonly identified readily as homologous,in spite of great alterations.Thus,the finger and wrist bones of a bat and whale,for instance,have virtually nothing in common except that they are definitely equivalent elements of the mammalian limb.

iv.The author's style can best be described as
 Humorous Objective Patronising Esoteric Archaic
14
Q-4. Both plants and animals of many sorts show remarkable changes in form,structure,growth habits,and even mode of reproduction in becoming adapted to different climatic environment,types of food supply,or mode of living.This divergence in response to evolution is commonly expressed by altering the form and function of some part or parts of the organism,the original identity of which is clearly discernible.For example,the creeping foot of the snail is seen in related marine pteropods to be modified into a flapping organ useful for swimming,and is changed into prehensile arms that bear suctorial disks in the squids and other cephalopods.The limbs of various mammals are modified according to several different modes of life-----for swift running (cursorial) as in the horse and antelope,for swinging in trees (arboreal) as in the monkeys,for digging (fossorial) as in the moles and gophers,for flying (volant) as in the bats,for swimming (aquatic) as in the sales,whales,and dolphins, and for other adaptations,the structures or organs that show main change in connection with this adaptive divergence are commonly identified readily as homologous,in spite of great alterations.Thus,the finger and wrist bones of a bat and whale,for instance,have virtually nothing in common except that they are definitely equivalent elements of the mammalian limb.

iii.Which of the following words could best be substituted for "homologous" in passage without substantially changing the author's meaning?
 Altered mammalian Corresponding Divergent Tactile
15
Q-4. Both plants and animals of many sorts show remarkable changes in form,structure,growth habits,and even mode of reproduction in becoming adapted to different climatic environment,types of food supply,or mode of living.This divergence in response to evolution is commonly expressed by altering the form and function of some part or parts of the organism,the original identity of which is clearly discernible.For example,the creeping foot of the snail is seen in related marine pteropods to be modified into a flapping organ useful for swimming,and is changed into prehensile arms that bear suctorial disks in the squids and other cephalopods.The limbs of various mammals are modified according to several different modes of life-----for swift running (cursorial) as in the horse and antelope,for swinging in trees (arboreal) as in the monkeys,for digging (fossorial) as in the moles and gophers,for flying (volant) as in the bats,for swimming (aquatic) as in the sales,whales,and dolphins, and for other adaptations,the structures or organs that show main change in connection with this adaptive divergence are commonly identified readily as homologous,in spite of great alterations.Thus,the finger and wrist bones of a bat and whale,for instance,have virtually nothing in common except that they are definitely equivalent elements of the mammalian limb.
ii.The author provides information that would answer which of the following question?

I.What factors cause change in organisms?
II.What is the theory of evolution?
III.How are horses' legs related to seals'flippers?
 I only II only I and II only I and III only I,II,and III
16
Q-4. Both plants and animals of many sorts show remarkable changes in form,structure,growth habits,and even mode of reproduction in becoming adapted to different climatic environment,types of food supply,or mode of living.This divergence in response to evolution is commonly expressed by altering the form and function of some part or parts of the organism,the original identity of which is clearly discernible.For example,the creeping foot of the snail is seen in related marine pteropods to be modified into a flapping organ useful for swimming,and is changed into prehensile arms that bear suctorial disks in the squids and other cephalopods.The limbs of various mammals are modified according to several different modes of life-----for swift running (cursorial) as in the horse and antelope,for swinging in trees (arboreal) as in the monkeys,for digging (fossorial) as in the moles and gophers,for flying (volant) as in the bats,for swimming (aquatic) as in the sales,whales,and dolphins, and for other adaptations,the structures or organs that show main change in connection with this adaptive divergence are commonly identified readily as homologous,in spite of great alterations.Thus,the finger and wrist bones of a bat and whale,for instance,have virtually nothing in common except that they are definitely equivalent elements of the mammalian limb.

i.Which of the following is the most appropriate title for the passage,based on its content?
 Adaptive Divergence Evolution Unusual Structures Changes in Organs Our Changing Bodies
17
Q-3. For me,scientific knowledge is divided into mathematical sciences,natural sciences dealing with the natural world (physical and biological sciences).and sciences dealing with mankind(psychology,sociology, all the sciences of cultural achievements,every kind of historical knowledge).Apart from these sciences is philosophy,about which we will talk shortly.In the first place,all this is pure or theoretical knowledge sought only for the purpose of understanding in order to fulfil the need to understand that is irtrinsic and comsubstantial to man.What distinguishes man from animal is that he knows and needs to know.If man did not know that the world existed,and that the world was of a certain kind,that he was in the world and that he himself was of a certain kind,he wouldn't be man.The technical aspects of applications of knowledge are equally necessary for man and are of the greatest importance,because they also contribute to defining him as man and permit him to a pursue a life increasingly more truly human.
But even while enjoying the results of technical progress,he must defend the primacy and autonomy of pure knowledge.Knowledge sought directly for its practical applications will have immediate and foreseeable success,but not the kind of important result whose revolutionary scope is in large part unforeseen,except by the imagination of the Utopians.Let me  recall well-known example.If the Greek mathematicians had not applied themselves to the investigation of conic sections,zealously and without the least suspicion that it might someday be useful it would not have been possible centuries later to navigate far from shore.The first men to study the nature of electricity could not imagine that their experiments,carried on because of mere intellectual curiosity,would eventually lead to modern electrical technology without which we can scarcely conceive of contemporary life.Pure knowledge is valuable for its own sake,because the human spirit cannot resign itself to ignorance but in addition it is the foundation for practical results that would not have been reached if this knowledge had not been sought disinterestedly.

iii.It can inferred from the passage that to the author man's need to know is chiefy important in that it?
 Allows the human race to progress technically Encompasses both the physical and social sciences Demonstrates human vulnerability Defines man's essential humanity Has increased as our knowledge of the world has grown
18
Q-3. For me,scientific knowledge is divided into mathematical sciences,natural sciences dealing with the natural world (physical and biological sciences).and sciences dealing with mankind(psychology,sociology, all the sciences of cultural achievements,every kind of historical knowledge).Apart from these sciences is philosophy,about which we will talk shortly.In the first place,all this is pure or theoretical knowledge sought only for the purpose of understanding in order to fulfil the need to understand that is irtrinsic and comsubstantial to man.What distinguishes man from animal is that he knows and needs to know.If man did not know that the world existed,and that the world was of a certain kind,that he was in the world and that he himself was of a certain kind,he wouldn't be man.The technical aspects of applications of knowledge are equally necessary for man and are of the greatest importance,because they also contribute to defining him as man and permit him to a pursue a life increasingly more truly human.
But even while enjoying the results of technical progress,he must defend the primacy and autonomy of pure knowledge.Knowledge sought directly for its practical applications will have immediate and foreseeable success,but not the kind of important result whose revolutionary scope is in large part unforeseen,except by the imagination of the Utopians.Let me  recall well-known example.If the Greek mathematicians had not applied themselves to the investigation of conic sections,zealously and without the least suspicion that it might someday be useful it would not have been possible centuries later to navigate far from shore.The first men to study the nature of electricity could not imagine that their experiments,carried on because of mere intellectual curiosity,would eventually lead to modern electrical technology without which we can scarcely conceive of contemporary life.Pure knowledge is valuable for its own sake,because the human spirit cannot resign itself to ignorance but in addition it is the foundation for practical results that would not have been reached if this knowledge had not been sought disinterestedly.

ii.The title below that best express the ideas of this passage is?
 Technical progress A Little Learning Is a Dangerous Thing Man's Distinguishing Characteristics Learning for its own sake The difference between science and Philiosophy
19
Q-3. For me,scientific knowledge is divided into mathematical sciences,natural sciences dealing with the natural world (physical and biological sciences).and sciences dealing with mankind(psychology,sociology, all the sciences of cultural achievements,every kind of historical knowledge).Apart from these sciences is philosophy,about which we will talk shortly.In the first place,all this is pure or theoretical knowledge sought only for the purpose of understanding in order to fulfil the need to understand that is irtrinsic and comsubstantial to man.What distinguishes man from animal is that he knows and needs to know.If man did not know that the world existed,and that the world was of a certain kind,that he was in the world and that he himself was of a certain kind,he wouldn't be man.The technical aspects of applications of knowledge are equally necessary for man and are of the greatest importance,because they also contribute to defining him as man and permit him to a pursue a life increasingly more truly human.
But even while enjoying the results of technical progress,he must defend the primacy and autonomy of pure knowledge.Knowledge sought directly for its practical applications will have immediate and foreseeable success,but not the kind of important result whose revolutionary scope is in large part unforeseen,except by the imagination of the Utopians.Let me  recall well-known example.If the Greek mathematicians had not applied themselves to the investigation of conic sections,zealously and without the least suspicion that it might someday be useful it would not have been possible centuries later to navigate far from shore.The first men to study the nature of electricity could not imagine that their experiments,carried on because of mere intellectual curiosity,would eventually lead to modern electrical technology without which we can scarcely conceive of contemporary life.Pure knowledge is valuable for its own sake,because the human spirit cannot resign itself to ignorance but in addition it is the foundation for practical results that would not have been reached if this knowledge had not been sought disinterestedly.

i.The author points out that the Greeks who studied conic sections?
 Invented modern mathematical applications Were interested in navigation Were unaware of the value of their studies Worked with electricity Were forced to resign themselves to failure
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Q-2.The history of mammals dates back at least to Triassic time.Development was retarded,however,until the sudden acceleration of evolutional change that occurred in the oldest Paleocene.This led in Eocene time to increase in average size,larger mental capacity,and special adaptations for different modes of life.In the Oligocene Epoch,there was further improvement,with appearance of some new lines and extinction of others.Miocene and Pliocene time was marked by culmination of several groups and continued approach toward modern characters.The peak of the career of mamals in variety and average large size was attained in the Miocene.
The adaptation of mammals to almost all possible modes of life parallels that of the reptiles in Mesozoic time,and except for greater intelligence,the mammals do not seem to have done much better than corresponding reptilian forms.The bat is doubtless a better flying animal than the pterosaur,but the dolphin horse and the antelope must excel any of the dinosaurs.The tyrannosaur was a more ponderous and powerful carnivore than any flesh-eating mammal,but the lion or tiger is probably a more efficient and dangerous beast of prey because of a superior brain.The significant point to observe is that different branches of the mammals gradually fitted themselves for all sorts of life,grazing on the plains and able to run swiftly (horse,deer,bison).living in rivers and swamps (hippopotamus,beaver),dwelling in trees (sloth,monkey) digging underground (mole,rodent),feeding on flesh in the forest (tiger) and on the plain (wolf),swimming in the sea (dolphin,whale,seal) and flying in the air (bat).Man is able by mechanical means to conquer the physical world and to adapt himself to almost any set of conditions.
This adaptation produces gradual changes of from and structure.It is biologically characteristic of the youthful,plastic stage of a group.Early in its career,an animal assemblage seems to possess capacity for change,which,as the unit becomes old and fixed disappears.The generalised types of organisms retain longest the ability to make adjustments when required,and it is from them that new,fecund stocks take origin - certianly not from any specialised end-products.So,in the mammals we witness the birth plastic spread in many directions,increasing specialisation,and in some branches,the extinction which we have learned from observation of the geologic record of life is a characteristic of the evolution of life.

vi.With which of the following proverbial expressions about human existence would the author be most likely to agree?
 It's a cruel world. All the world's stage. A short life.but a merry one. Footprints in the sands of time. The more things change the more they remain the same.
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