Question # 1

the hypothesis that plants split water as a source of hydrogen was given by.

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Van Niel

Kreb

Pasteur

Calvin

the most abundant organic compound in mammalian cell

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Water

Lipids

Proteins

Carbohydrates

The phenomenon associated with root pressure is

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Imbibition

Guttation

Cohesion

Tension

The melting point of palmitic acid is

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-8 ^oC

34 ^oC

63.1 ^oC

55.6 ^oC

An activated enzyme consisting of a polypodies chain and a co factor is called.

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Apo enzyme

Co enzymes

Holo enzymes

Both a and b

The animal with exceptionally large brain is.

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Star fish

Octopus

Snail

Sepia

The study of distribution of animals in nature is called.

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Biodiversity

Zoogeography

Geography

Wild life

Glycogen in found abundantly in

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Liver

Muscles

Kidney

Both a and b

A substance that inhibits blood clotting is.

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Heparin

Fibrin

Fibrinogen

Thrombin

Dolphin is

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Fish

Bird

Mammals

Amphibian

The molecule formed by two amino acids called.

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Peptide linkage

Dipeptide

Peptide bond

Botha a and c

The excretory product that requires maximum water for its removal is.

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Ammonia

Creatinine

Urea

Uric acid

Hemodialysis means

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Removing the blood

Cleaning the blood

Storing the blood

diluting the blood

External genitalia of human male consist of a pair of testes which lie outside the body in the sac like

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Pouch

Marsupium

Scrotum

Bag

Photoperiod effects flowering when shoot meristems start producing.

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Floral buds

Leaves

Lateral buds

Branches

What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?

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There would be no significant change in number of animals

The total number of biomass would be reduced

All organisms would die out

The nitrogen level of the atmosphere would be increase

Monqolism is the other name of.

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Mongolism

Kline felter syndrome

Down's syndrome

Turner's syndrome

Which part of the air passage way possesses chartilage plates in its wall?

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Bronchiles

Distal religion of bronchi

Phroximal region of bronchi

Trachea

Chromosomes appear inside the nucleus at the time of.

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Cell division

Cell maturation

Cell elongation

Cell differentiation

They have adaptations for reduced rate of transpiration.

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Halophytes

Hydrophytes

Mesophytes

Xerophytes

Intelligence is also a case of polygenic inheritance which is strongly influenced by

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Genes

Environment

Experience

Nature

Interphase period can be divided into.

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G1,G2, G3

G1, G2, F1

G1, S, G2

S1, G1, S2

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