Question # 1

The Idea of endosymbiont was purposed by

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Cuvler

Lyell

Malthus

Margulis

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 light which promotes germination of fern spores.

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green

Yellow

Red

White

In succesion lithoseres takes place on:

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Sand

Water

Forest floor

Bare rocks

The Syndrome which is an example of trisomy of the sex chromosome is

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Turner's syndrome

Down's syndrome

Klinefelter's syndrome

Tay-Sach's syndrome

The actual reduction division is.

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Meiosis -I

Mitosis

Cytokinesis

Meiosis -II

Evolution of pollen tube is parallel to the evolution of

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Stem

Leaves

Flower

Seed

Luteinizing hormone induces.

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Flowering

Vernalization

Ovulation

Menopause

Hemophilia is

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X linked dominant trait

X linked recessive trait

Sex influenced trait

Sex limited trait

The human embryo is referred to as the fetus from beginning of.

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3rd month

3rd week

6th months

6th week

Nociceptors produce sensation of

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Touch

Pain

Warmth

Pressure

Identical twins result from the fertilization of:

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One ovum by the sperm

One ovum by the two sperms

Two ova by two sperms

Two ova by one sperm

Chemical that cause fever and are produce from blood cells are

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Bilirubin

Interferons

Pyrogens

Anti biodies

A group of individuals belong to a particular species and sharing a common geographic area is called.

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Community

Population

Ecosystem

Biosphere

Lyell published the principle of.

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Population

Community

Geology

Blome

Which enzyme acts as molecular scissors.

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DNA ligase

DNA polymerase

RNA polymerase

Restriction endonuclease

About 500 ml water is needed to excrete 1g of ammonia

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Hydrogen

Oxygen

Nitrogen

Helium

In human, relay centre is located is

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Fore brain

Mid brain

spinal cord

Hind Brian

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