Question # 1

The inner layer of most sponges is called.

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Pinacoderm

Choanoderm

Epiderm

Endoderm

Which one is not the phase of Calvin cycle.

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Carbon fixation

Reduction

Regeneration of CO2 acceptor

Phosphorylation

Fungi are different from animals because they

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Have cell wall

Are absorptive heterotrophs

Are non-motile

All of the above

The integumentary and nervous system are developed from

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Endoderm

Ectoderm

Mesoderm

Mesoglea

Which are not omnivores.

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Bears

Dear

Crows

Plags

Population of different species living in the same Habitat form a.

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Community

Biosphere

Biome

Ecosystem

In Mollucs, a respiratory pigment of blue colour is present called.

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Haemoglobin

Haemocyanin

Haemoery thrin

None of these

Which one of following is a viral disease

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Cow pox

Tetanus

Meningitis

Typhoid

Which one of the following is not concerned with oxidative phosphorylation.

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Co enzyme Q

Cytochrome b

Cytochrome a3

Plastocyanin

The partly digested food in cockroach is temporarily stored in.

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Crop

Gizzard

Rectum

Stomach

The carbohydrate digesting enzyme in pancreatic juice is

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Lipase

Amylase

Erypsin

Trypsin

the basic functional unit of ecology is

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Niche

Ecosystem

Community

Population

Maximum speed of nerve impulse transmission is

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100 m/s

110 m/s

120 m/s

130 m/s

What are significant happening of meiosis.

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Crossing over

Random assortment of chromosome

Linkage

Crossing over and random assortment of chromosomes

The series of changes which involve period of growths replication of DNA followed ny cell division may be named as

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DNA cycle

Nuclear cycle

Cell cycle

Chemical cycle

Hatching period of chick is.

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15 days

18 days

21 days

28 days

Cardiac muscles are muscles of the

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Liver

Stomach

Kidney

Heart

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

Rapid aging and less resistance to environmental stress and diseases are limitations of.

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Parthenocarpy

Cloning

Phototropism

Verbalization

Unequal separation of chromosomes is called.

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Disjunction

Separation

Non disjunction

Metastasis

Recombinant DNA is introduced into the host cell by means of a.

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Vector

Phage

Bacterium

Fungus

The sensation of pain is produced by

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Chemoreceptors

Photoreceptors

Nociceptors

Mechanoreceptors

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