Question # 1

Insulin and glucagon hormones are _________ in nature.

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Carbohydrates

Proteins

Polypeptides

Streoids

A monochromat can perceive

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Three colours

Yellow colours

Only ane colour

Two colours

The biome, which has very fertile soil, rich in organic matter with maximum water holding capacity is.

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Alpine forest

Grassiland

Desert

Temperate deciduous forest

ABO system has four different phenotypes which are distinct from each other on the basis of specific antigens on the surface of

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Mitochondria

Gogli bodies

RBC

Centrioles

Developing seeds are a rich source of.

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Auxin

Gibberellins

Cytokinins

All of these

The protein filament whihc binds to the calcium is

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Actin

Myosin

Troponin

Tropomyosin

The addrenaline cortex produces ______________

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Adrenaline

Calcitonin

Epinephrine

Aldosterone

The bacteria in the root nodules fix nitrogen and convert it into

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Nitrate

Nitrite

Amino Acid

Ammonia

According to endosymbiont hypothesis, the aerobic bacteria developed into.

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Ribosome

Lysosome

Mitochondria

Golgi apparatus

Synapsis occurs duiring.

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Pachytene

Leptotene

Zygotene

Diplotene

Moderate grazing is very helpful to maintain ecosystem.

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Tundra

Grass land

Pond

Desert

The structure which respond are called.

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Effectors

Nerves

Receptors

Sense organs

Blood supplied to kidneys from each cardiac beat is.

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10%

20%

30%

50%

Auxins promote growth of roots from

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Cutting

Calluses

Both a & b

Layering

Human body temperatrue is controlled by.

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Hypothalamus

Pons

Cerebellum

Medulla

Which of the following is NOT recycled in ecosystem?

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Carbon

Sulphur

Energy

Water

PCR takes its name from

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RNA polymerase

DNA polymerase

DNA ligase

Endonuclease

In addition to auxin which hormone also play important role in apical domince

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Abcesic acid

Gibberellins

2,4-D

Cytokinins

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