Question # 1

Histones are positively charged due to an abundance of the basic amino acids

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Arginine

Lysine

Both a & c

Alanine

Nerve cells and eye lens cells remain in stage for life time.

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G0

G1

S

G2

The form of appearance of the trait is called.

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Genotype

Phenotype

Wild type

dominance

Acute forms of arthritis usually result from

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Bacterial invasion

Viral inversion

fungal invasion

Severe injury

Only 30% of the earth is dry land the remainder being covered with

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Water

Air

Trees

Grass

In 1999,transgenic crops were planted world wide on more than

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20 millions areas

35 millions areas

70 millions areas

90 millions areas

The distinct levels of food chain are called.

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Food chain

Food Web

Trophic level

Energy pyramid

The earth surface covered with water is

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35%

11%

21%

33%

As distal end humerus forms hinge joint with

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Radius

Ulna

Tibia

Both a & b

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

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Amino acid

Fatty acid

Vitamin

Steriod

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

Which one of the following is excretophore.

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Stem

Leaves

Roots

Bark

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

Frogs and toads also walk and hop on land due to strong

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Forelimbs

Hindlimbs

Trunk

Head

For evaporative cooling bats use

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Saliva

Urine

Sweat

All a,b,andc

The most important hormone in initiating and maintaning lacation after birth is:

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Estrogen

FSH

Prolatin

Oxytocin

Labour pains are induced by a hormone.

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ACTH

Oxytocin

Progesterone

Corticosteroid

An ordered sequence of irrversible steps with each step setting up the necessary conditions for the next step is

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Embryology

Growth

Development

None of these

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