Question # 1

It is the study of the relationship of animals (organisms) to their environment

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Ecology

Ecosystem

Physiology

Mycology

Insulin receptors are present in

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Cytoplasm of muscle cells

Cell membrane of liver cells

Cell membrane of muscles and liver cells

Cell membrane of all body cells

Which of the following hypothesis involved the evolution of eukaryotic cell from a prokaryotic cell

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Endosymbiont hypothesis

Membrane invagination hypothesis

Vent hypothesis

Both A and B

Ornithology is the sudy of

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Mammals

Reptiles

Insects

Birds

Which one of the following is not the main ionic nutrient

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Ca

Na

K

U

Resting membrane potential of a neuron is

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50mV

-70mv

-80mV

90mV

A phenotype which can't be expressed in heterozygous state but can only be expressed other in homo or hemi form, would be

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Dominant

Bombay

Recessive

Ordinary

The total energy from the sun is trapped by the producers in an ecosystem is about:

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20%

10%

5%

1%

Monoculture is

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One organism

A lab culture

A pure culture

Both b and c

Ribozyme is found in

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Mitochondria

Cytoplasm

Lysosomes

Ribosomes

Pick up the false statement regarding HIV

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Lipoprotein envelope

Two RNA molecules

Two molecules of RT enzyme

Round shaped capsid

Moss stage is represented by

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Polytrichum

Tortula

Adiantum

Both a and b

_____ is a good example of polymorphism

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Hydra

Obelia

Starfish

Euplectella

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

The major unit of ecology is:

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Biosphere

Ecosystem

Community

Population

One atom of chlorine can destroy up to ___________ ozone molecules?

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One million

One billion

One thousand

Two million

Following enzymes are indicating the specificity of their action in their names, except

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Sucrase

Amylase

Pepsin

Lipase

Which of the following nitrogenous base have methyl group

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Adenine

Guanine

Uracil

Thymine

Sahara Desert i found in :

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Europe

America

Africa

Australia

The establishment of stable vegetation on an area is termed as

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Plant succession

Animal succession

Succession

All of the above

Which type of hepatitis is called serum hepatitis

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Hepatitis A

Hepatitis B

Hepatitis C

Hepatitis D

Nucleotide is to ___ as amino acid is to ___

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Nucleic acids, Lipids

Nucleic acids, Proteins

Proteins, Lipids

Lipids, proteins

Elements required in large amount are called

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Micronutrient

Macronutrient

Organic elements

Inorganic elements

How plants are deprived of nutrients by acid rain

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Due to teaching

Due to fall in pH

Acid creates a barrier to absorption

Unknown cause

"Litho" means

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Air

Earth / soil

Water

All of these

Charles Darwin was born in Shrewsbury, in Western England in

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1854

1807

1809

1866

Polytrichum is a

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Lichen

Algae

Liver worts

Moss

The relationship between insects and flowering plants is the example of:

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Commensalism

Mutualism

Predation

Parasitism

Mutatuons are inherited only if they occur in the

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Gland cells

Gametes

Muscle cells

Somatic cells

Genes for alpha and beta chains of hemoglobin are found on which chromosomes?

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Chromosome 16 alpha; chromosome 11 beta

Chromosome 11 alpha; chromosome 16 beta

Chromosome 11

Chromosome 16

Soil nitrogen resources are also strengthened by the addition of ______ by the man himself

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Nitrogen fertilizers

Nitrogen

Fertilizers

None of above

Three principal stages of nitrogen cycle are:

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Ammonification, Nitrification, and Assimilation

Ammonification, Acidification, and Assilimlation

Esterification, Nitrification, and Assimilation

Ammonification, Nitrification, and Denitrification

Leech is preferably a

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Host

Parasite

Predator

Mutualist

Terrestrial ecosystem have main types of ecosystem:

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Five

Four

Three

Two

Endocytosis of an apoptotic body is termed as

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Pinocytosis

Exocytosis

Phagocytosis

Apoptosis

Viruses reproduce through a process

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Binary fission

Replication

Both a and b

Transformation

The example of decomposers of the ecosystem are the

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Fungi

Fungi and bacteria

Bacteria

Viruses

The concept that all living things came into existence in their present forms especially created by Nature is called as

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Theory of special creation

Theory of special selection

Theory of natural creation

Theory of natural selection

A lichen is the symbiotic association between a

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Fungus and a bryophyte

Roots of higher plants and an alga

Fungus and an alga

Roots of a higher plants and a fungus

Methylation of proteins occur in

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Transport vesicles of endoplasmic reticulum

Lysosomes

Golgi apparatus

Transport vesicles of Golgi bodies

The process by which the limited amount of nitrogen is circulated and recirculated throughout the world of living organisms is known as the

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Nitrogen cycle

Nitrogen path way

Nitrogen depletion

None of above

The term ecology was first used by a ________ zoologist.

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American

Canadian

German

Greece

A heterrozygote offspring quantitatively exceeds the phenotypic expression of both the homozygote parents due to:

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dominance

incomplete dominance

over dominance

codominance

A little light is left to power photosynthesis at the depth of:

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500 feet

700 feet

600 Feet

1000 Feet

Cloud cover is reduced due to

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Reforestation

Afforestration

Deforestration

Air pollution

Which rule depicts its correct statement regarding temperature variation?

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Allen's Rule:

Birds and mammals have greater size in cold region

Bergman's Rule:

The tail snout and ears are smaller in colder region.

Jordan's Rule:

Birds in cold regions are with narrow wings.

All are false.

The symbiotic relationship in which both the partners get benefit is:

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Parasitism

Commensalism

Predation

Mutualism

Potentially damaging enzymes are produced in

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Active form

Inactive form

Abundant quantity

Minor quantity

The chemical elements essential for life in living organisms are called:

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Biogenic elements

Nutrient elements

Both a & b

Genetic elements

One poles the average temperature is:

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At freezing point

Below freezing point

Above freezing point

More then 5∘C

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

This is a ------------------- relationship between algae and fungi

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Symbiotic

Mutualistic

Parasitic

Mycorrhizal

Syrinx produces voice in birds. It is located

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In voice box

Near origin of bronchi

At the upper end of trachea

Inside lungs

Which of the following organelle is not present in the synaptic knob

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Mitochondria

Vesicles

Ribosomes

Nucleus

Eagle may eat blue bird, but blue bird eats insects like caterpillar and caterpillar feeds on grass or green leaves. This is a ______

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Food chain

Food web

Both A and B

None of above

On an average, there are 50 or more thylakoids piled to form one

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Intergranum

Crista

Granum

F_{_1}particle

Insulin is a/an:

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Osmotic Protein

Transport Protein

Regulatory Protein

Catalytic Protein

The actual location of place where an organisms live is called its:

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Ecosystem

Habitat

Niche

Biome

Which of the following is not affected by enzymes

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Nature and properties of end products

Nature and properties of reactants

Speed of biochemical reaction

Efficiency of biochemical reaction

Green, plants are basically:

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Producers

Consumers

Decomposers

None of these

Taj Mahal's marble has been affected by

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CFC's

Lead pollution

Acid rain

None

The semicircular channels and system of tubes found in cytoplasm are known as

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Ribosomes

Glyoxisomes

E.R

Vacuoles

The actual location or place where an organism lives is called its:

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Niche

Habitat

Abode

Terrain

Endosymbiont hypothesis was first proposed by

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Lynn Margulis

Malthus

Cuvier

Darwin

Which of the following are suicidal bags

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Lysosomes

Ribosomes

Centriole

Mitochondria

Xerophytes can withstand with extreme conditions due to the presence of

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Large parenchyma cells in the leaf

Sunken stomata

Thick cuticle and palisade layer

All of these

Optimum pH of all human enzymes is

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Variable

Same

Acidic

Alkaline

Tundra ecosystem is a vast treeless region bordering the:

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Pacific ocean

Atlantic ocean

Arctic ocean

Arabian sea

--------- Develop the basic formwork of plasma membrane:

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Phospholipids

Glycoproteins

Glycolipids

Major cells infected by HIV are

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Monocytes

B lymphocytes

T lymphocytes

RBC

An activated enzyme consisting of polypeptide and cofactor is called as

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Activator

Apoenzyme

Holoenzyme

Coenzyme

The succession started on rocks is termed as

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Hydrosere

Xerosere

Serosere

None of the above

The animal that is caught and eaten is the

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Predator

Prey

Consumer

Both a and c

Myelin is made up of

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Nucleoprotein

Lipoprotein

Glycolipids

Glycoproteins

The only phylum included in Grade Radiata is:

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Porifera

Aschelminthes

Platyhelminthes

Cnidaria

Life on earth is affected by both

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Weather and water

Weather and climate

Climate and water

Water and air

According to endosymbiont hypothesis the aerobic bacteria developed into

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Lysosomes

Mitachondria

Chloroplast

Nucleus

Pick up the most developed coelomates

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Echinoderms

Annelids

Chordates

Insects

In sickle cell beta chain glutamic acid is replaced by valine which is sixth amino acid from

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N-Terminal

C-Terminal

R-Terminal

H-Terminal

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

Prosthetic groups are

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Radicals

Inorganic molecules

Organic molecules

Metal ions