Question # 1

Karyb. Mullis developed the polymerase chain reaction in.

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1963

1973

1983

1993

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

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Amino acid

Fatty acid

Vitamin

Steriod

Developing seeds are a rich source of.

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Auxin

Gibberellins

Cytokinins

All of these

Endangered species of plants have been recorded to more than

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200

300

400

500

Bilirubin damages brain cells and turn the skin and whites of eyes yellow, condition is known as.

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Hepatitis

Leukamia

Jaundice

Botulism

In root nodules, the organisms present are.

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Bacteria

Algae

Fungi

Cyapobacteria

A central role for chromosomes in heredity was first suggested in 1900 by.

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Karl correns

W. Sutton

F. Griffiths

T.H.Morgan

Water used for industrial purposes is about

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9%

90%

70%

50%

The hormone which inhibits root growth is.

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auxins

gibberellins

Absclsic acid

Cytokinins

Abdomen has a peritoneal cavity, lined by a thin epithelium called.

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ectoderm

endoerm

Peritoneum

Epidermis

in plants regeneration is the basis of plant

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Fishes

Amphibian

Reptiles

Birds

Cystic fibrosis patients lack a gene that codes for trans-membrane carrier of the

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Chloride ion

Sodium ion

Potassium ion

Calcium ion

Mendellan factors were renamed as 'genes' by

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Mendel

Correns

Morgan

Johannsen

Percentage of its recombination frequency.

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20

40

60

80

Bats and humming birds are called.

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Ectotherms

endotherms

Heterotherms

Mesotherms

The first restriction enzyme was isolated by

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Kary mulis

Hamilton O. smith

Sagar

Maxam gilbret

The chances of teenage mother having down's syndrome child is.

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One in one hundred

One in many thousand

One in one thousand

One in ten thousand

Syphilis is caused by a spirochete named as.

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Nisseria gonorrhea

Theponemapallidum

Escherichia coli

Hypomicrobium

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