Question # 1

Organisms that have had a foreign gene inserted into them are called.

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Transgenic organisms

Polygenesis

Hermaphrodites

Transmuted organisms

Human cells contain types of tRNA molecules.

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20

45

195

300

The fishes which drink large amount of sea water and excrete concentrated urine are.

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Cartilaginous fishes

Bony fishes

Lung fishes

Jawless fishes

P660 is quiescent from, is converted to active p 730 by the absorption of.

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Blue light

Red light

Orange light

Yellow light

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

Nociceptors produce sensation of

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Touch

Pain

Warmth

Pressure

_______ regulates the kidney's retention of water.

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Prolactin

Oxytocin

Thyroxin

Vasopressin (ADN)

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

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

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Arginine

Lysine

Both a & c

Alanine

Secretors have dominant secretor gene 'Se' on chromosome.

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9

19

21

24

Water used for industrial purposes is about

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9%

90%

70%

50%

Animals that do not require to adjust their internal osmotic state actively are known.

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Osmoregulators

Osmocorformers

Terrestrials

Hypertonic

V-shaped chromosomes are called.

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Acrocentric

Metacentric

Telocentric

submetacentric

Which one of the following would cause the hardy-weinberg principle to be inacurate?

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The size of the population is very large.

Individual mate with one another at random

Natural selection is present

There is no source of new copies of alleles from outside the population

Germinating pollen grain is a rich source of

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Gibberellins

Auxins

Cytokinin

Ethene

Blue cone monochromacy is also called

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Red - green colour blindness

Red - blue colour blindness

Green - blue colour blindness

Yellow - blue colour blindness

Littoral invertebrate animals include

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Small crustaceans

Insect larvae

Snail flatworms

All a,b,and c

Principles of geology was published by.

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Darwin

Lyell

Linnaeus

Lamarck

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