Question # 1

During breathing no stale of air remains in the lungs of.

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Mammals

Amphibian

Birds

Sarracenia

The dew drops on the tip of the grass leaves involves the phenomenon.

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Imbibition

Bleeding

Guttation

Transpiration pull

In arthropods the body cavity is known as

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Pseudocelom

Enterocoel

Haemocoel

None of these

Muscles of stomach are of which type.

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Skeletal

smooth

Cardiac

Voluntary

Bacterial membrane differs from eukaryotic membrane in

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Lacking protein

Lacking lipids

Lacking polysaccharides

Lacking sterol i.e. cholesterol

The factory of ribosome is the

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Chloroplast

Nucleolus

Mitochondria

Vacuole

Which one of the example of living general of psilopsida.

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Psilophyton

Horneophyton

Psilotum

Cooksonia

The enzyme with optimum pH = 7.60 is

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Arginase

Enterokinase

Catalase

Sucrase

A blue coloured respiratory pigment called hemocyanin is found is.

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Molluscus

Annelids

echinoderms

Arthropods

The bio element which accounts 18% of total mass in human body is

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Oxygen

Hydrogen

Carbon

Nitrogen

The process of taking in food is

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Digestion

Ingestion

Assimilation

Absorption

The protective coat which surrounds the embryo is known as:

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Amnion

Chorion

Allantosis

Chorio Allantoic

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

Each tRNA has a sequence of three bases called anticodon which is complementary to codon of

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rRNA

tRNA

mRNA

snRNA

Rodents respond to alarm call by other in their group is an example of behaviour termed as

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Imprinting

Habitation

Insight learning

Latent learning

In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of

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Lamarck

Griffith

Darwin

Spemann

Who proposed the term 'Niche' in ecology.

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Haeckel

Grinnell

Elton

Darwin

Cocklebur (Xanthium),chrysanthemum,soyabean,tobacco,strawberry are examples of

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Short day plants

Long day plants

Day-neutral plants

None of these

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

The cross which is used to find out the homozygous or heterozygous nature of the genotype is called.

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Test cross

Reciprocal ross

Monohybrid corss

Dihybrid cross

All the food chains begin with.

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Producers

Primary consumers

Secondary consumers

Decomposers

Cell death due to tissue damage is called.

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Apoptosis

Metastasis

Necrosis

Suicid

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