Question # 1

Crossing over occurs during.

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Leptotene

Pachytene

Zygotene

Anaphase

Which harmones is male stimulates the production of testosterone.

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TSH

FSH

LTH

ICSH

The first restriction enzyme was isolated by.

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Kary mulis

Hamilton O smith

Maxam Gilbert

Sanger

Coniferous forest located at high latitude are called.

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Alpine

Boreal

Talga

Prairies

Contractile ring in cytokinesis is formed by

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Tubulin

Actin and Myosin

Keratin

Cyclin

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

A collection of bacterial and phage viruses clones containing a particular segment of DNA from the source cell is called.

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Expressing system

Genome

Genomic library

Recombinant DNA

Cacti and Euphorbia are the desert plants which store water in their.

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Fleshy leaves

Freshy stems

Freshy roots

Freshy buds

A gene with initiation codon, which encodes the amino acid methionine is.

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UAA

UAG

AUG

UGG

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

Annual rain fall in deserts is less than

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25 to 50 cm

10 to 22 cm

15 - 25 cm

20 to 40 cm

The joints that allows movement is several directions is called.

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Fibrous joint

synovial joint

Ball and socket joint

Hing joint

The average cell cycle in human is.

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24 hours

26 hours

28 hours

30 hours

In man the vestigial organs are

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Ear muscles

Nictitating membrane

Coccyx

All a,b and c

Amphibians wriggle along the belly on the gound with the help of segmentally arranged

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Muscles

Scales

Skin patches

Both a & b

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

A dominant plant of the deciduous forest is the

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Cactus

Acacia

euphorbia

Taxusbaccata

If all members of a population are homozygous for the same allele that allele is said to be

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Multiple allele

Jumping gene

Fixed in the gene

Perfect gene

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