Question # 1

Oxidative metabolism is carried out ____ of mitochondria

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In the intramembrane space

On the surface of inner membrane

In the inside of outer membrane

In the matrix

The neuron which has central and peripheral branches is

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Sensory neuron

Motor neuron

Associative neuron

Relay neuron

Motor neurons are

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Multipolar

Bipolar

Unipolar

Tripolar

The study of relationship of different communities (grouping of population) to environment is called:

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Synecology

Community ecology

Autoecology

Both a & b

Global warming is due to

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CFC's

SO₂

O₃depletion

CO₂

The Organic biomolecule which is widespread in bacterial animal and plant cells is

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Wax

Glucose

Acyl glycerol

Phospholipids

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

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Intergranum

Crista

Granum

F_{_1}particle

The soil of the deciduous forest is:

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Yellow

Grayish brown

Grayish black

Black

Normal fruit flies have

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White eyes

Bright red eyes

Light red eyes

Black eyes

The solar energy used to evaporate water, heat up soil and then lost to the outer space is:

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99%

77%

55%

33%

Which of the following group of animals is a link between aquatic and terrestrial animals?

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Fish

Amphibians

Reptiles

Birds

The larva formed during the life cycle of Annelida is

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Glochidium larva

Bipinnaria larva

Trochophore larva

Tornaria larva

Which of the following is a living character of virus

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Formation of Crystals

Production of new viral particles

Coordination

Metabolism

At high substrate level, all the active sites of enzyme are

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Destroyed

Available

Degenerated

Occupied

The animal that is caught and eaten is called:

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Prey

Host

Victim

Quarry

The bond formed between glucose and fructose to form sucrose

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α 1 , 4 Glycosidic bond

β 1 , 4 Glycosidic bond

α 1 , 2 Glycosidic bond

β 1 , 2 Glycosidic bond

Which of the following virus is DNA enveloped

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Polio virus

Hepatitis B virus

HIV

Measles virus

In rats whose adrenal medulla has been removed surgically, the ability to with stand any stress situation such as cold

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Is Enhanced

Is diminished

Remains unaffected

Is finished

Nutrient cycle are also called us:

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Biogeochemical cycles

Elemental cycles

Geochemical cycles

Biochemical cycles

Skeleton of echinoderms is originated from

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Ectoderm

Endoderm

Mesoderm

Epidermis

In a phospholipid molecule, fatty acid is attached to the carbon number_____ of glycerol.

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1

2

Both

3

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.

Lamarck was incharge of invertebrate collection at Natural History Museum is

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Berlin

Paris

California

Brun

Which is incorrect about resting membrane potential

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Na+ ions are ten folds higher outside

2 Na+ move out for 3 K+ move in

K+ ions are twenty folds higher inside

Some k+ ions leak out

Pick up the correct sequence of path followed by a testosterone molecule till its export

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SER>RER>Transport vesicle>Golgi apparatus>secretory vesicle>cell membrane

SER>Golgi apparatus>Transport vesicle> secretory vesicle>cell membrane

SER>RER>Golgi apparatus> Transport vesicle>secretory vesicle>cell membrane

SER>Transport vesicle>Golgi apparatus>secretory vesicle>cell membrane

Which is not the function of glucagon

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Glycogen hydrolysis

Lipolysis

Gluconeogenesis

Protein synthesis

A blue cone monochormate

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Can perceivetwo colours

Can't perceiveany colour

Can perceive only blue colour

Can perceive only red colour

The study of human population and factor affecting it is called

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Population census

Population dynamics

Demography

Etymology

The attachment of shark and small fish remoras is an example of:

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Mutualism

Parasitism

Predation

Commensalism

Man is

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Primary consumers

Secondary consumers

Tertiary consumers

All of above

A dominant plant of temperate deciduous forests is the :

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Euphorbia

Taxus baccata

cactus

Acacia

Terrestrial ecosystem have main types of ecosystem:

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Five

Four

Three

Two

Xerosere starts with __________ stage.

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Crustose lichen

Foliose lichen

Mass

Shrub

Common housefly is involved in spread of all diseases except

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Hepatitis

Malaria

Dysentery

Cholera

______ is a group of interbreeding individuals occurring together in space and time

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Population

Species

Community

All of above

___ gives blue color with iodine

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Glycogen

Dextrin

Cellulose

Starches

Which is not a seral stage

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Climax forest

Moss

Shrub

None

When bacteria break down nitrates and release nitrogen back into atmosphere this process is called:

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Nitrification

Denitrification

Ammonification

Deamination

Global warming is the result of

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Ozone layer depletion

Acid rain

Green house gases

All of them

Both organisms benefit from the ______ relationship

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Mutualism

Commensalism

Parasitism

All of above

A biotic components includes the components like:

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Air, water, and animals

Air, soil and plants

Air, water and soil,

air, soil, and, animals

Primary succession that starts on a dry habitat is called:

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Hydrosere

Derosere

Xerosere

Aquasere

The study of the relationship of animals to environment is called:

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Biology

Ecology

Microbiology

Zoology

Dominant plant species in grassland are:

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Graminoids

Trees

Climbers

Herbs

Flavin adenine dinucleotide is a

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Prosthetic group

Activator

Coenzyme

Inhibitor

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

Algae are

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Microproducers

Macroproducers

Both A and B

None of above

The pore by which the water leaves the body of sponges is called

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Ostia

Osculum

Spicules

Medreporite

The term ecology comes from the Greek words Oikos, meaning "the family household" and logy (logos) meaning:

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The study of

Living

Building

Niche

Which element is the most potent source for the depletion of ozone layer

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Chlorine

Fluorine

Carbon

All of them

The hormones which share common hypothalamic factor are

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FSH and LH / ICSH

ACTH and GH

ICSH and LTH

Prolactin and FSH

Osteoporosis is caused by lack of

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ADH

Melanin

Estrogen

STH

Consumers are the all the organisms, primarily animals. They obtain energy directly or indirectly from

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Producers

Consumers

Decomposers

All of the above

Major unit of ecology is :

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Ecosystem

Community

Biosphere

Population

Food web maintains the stability of

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Environment

Biosphere

Ecosystem

Biotic components

The study of a single population's relationship to its environment will be called as

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Autecology

Synecology

Ecology

Biogeopraphy

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

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Phospholipids

Glycoproteins

Glycolipids

Pick out the phospholipid from the following

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Phosphatidylserine

Lecithin

Phosphatidylcholine

All

The idea of inheritance of acquired characteristics was presented by

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Margulis

Lamarck

Linnaeus

Cuvier

Fungi and bacteria are:

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Producers

Consumers

Decomposers

Predators

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 succession started on rocks is termed as

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Hydrosere

Xerosere

Serosere

None of the above

Dormancy in animals through a drought or dry season is called:

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Eurythermal

Diapause

Aestivation

None of these

A carrier mother for colour blindness does not have

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A normal boy

A carrier boy

A colour blind boy

A normal daughter

The idea of endosymbiont hypothesis was first proposed by:

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Lynn marguils

Wallace

Karlene Schwartz

Lamarck

Overgrazing

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Promotes salinity

Promotes erosion

Promotes grasses

Inhibits dicot competitors

The amount of energy left after plant have met their respiratory need is net primary production called as

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Mass

Gross production

Biomass

None

First invertebrate to develop a nervous system is

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Sponges

Cnidarians

Flat worms

Round worms

The term niche in ecolgy was first proposed by:

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Charles Eton

Ernst Haeckel

Joseph Grinnell

Carolus Linnaeus

Plant and animals replace the earlier ones in a way of

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Community relay

Succession

Predecessors

All of these

What is cause of Eutrophication

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Excreta

Phosphate

Nitrates

All

______ symbiont the root nodules of legume plants

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Virus

Fungi

Bacteria

Nematods

The second trophic level includes the:

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Producers

Tertiary consumers

Secondary consumers

Primary consumers

Which can't increase their weight in inorganic medium

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Producer

Consumer

Decomposer

Both b & c

Grazers feed mainly on which kind of plants

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Tree leaves

Shrubs

Grasses

Cereals

Life on earth is affected by both

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Weather and water

Weather and climate

Climate and water

Water and air

Which of the following things were not collected by Darwin?

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Specimens of diverse faunas and floras of south America

South American fossils

13 types of finches

Turtles

Prosthetic groups are

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Radicals

Inorganic molecules

Organic molecules

Metal ions

Dandruff is the example of

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Endoparadite

Ectoparasite

Outer parasite

All of above

A thin layer of earth in which all living organisms live is called:

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Biosphere

Habitat

Niche

Hydrosphere