Question # 1

In oceans especially in tropical regions temperature of surface water is about

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10^oC

15^oC

25^oC

35^oC

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

Study of single population's relationship to its environment is called.

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Niche

Autecology

synecology

Predation

The zone, rich in life, in a fresh water lake is called.

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Littoral zone

Profundal zone

Limnetic zone

Deseret

The prophase stage in which the chromosomes become visible, shorten and thick.

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Leptotene

Zygotene

Pachytene

Diphotene

In aquatic ecosystem , near shore zone is called.

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Limnetic zone

Littoral zone

Profundal zone

Benthic zone

When expression of a biological character is observed in variable intensity, it is due to the efect of:

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Multiple alleles

Codominance

Epitasis

Polygenic inheritance

A clear picture of the genetic basis of sex determination emerged after the discovery of

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Autosomes

X chromosomes

Sex chromosomes

Y chromosomes

Poly hydroxy butyrate is called.

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Antithrombin III

Nutra Sweet

Biodegradable plastic

Luciferin

If fertilization does not occur the corpus luteum starts

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Progesterone

Menstrual cycle

Degenerating

Regenerating

in thoracic region, number of vertebrae is.

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12

15

4

5

Chemical that cause fever and are produce from blood cells are

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Bilirubin

Interferons

Pyrogens

Anti biodies

The interaction between different genes occupying different loci is

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Pleiotropy

Epistasis

Bombay phenotype

Linkage

Cases of disputed parenthood can be solved with the help of

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DNA Finger printing

Cloning

RNA Finger printing

Gene sequencing

Protonopia is

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Red blindness

Blue blindness

Green blindness

Brown blindness

Gene pool consists of all alleles at all gene loci in all individuals of the

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Family

Clan

Population

Community

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

In plants which light enhances cell division.

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Infra red

Blue

Red

green

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