Question # 1

A gene with multiple phenotypic effect is.

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Polygenic

Bombay type

Pleiotropic

Monogenic

The chromatin material gets condensed by folding and chromosomes appear as thin thread in mitosis at the beginning of.

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Inter phase

Pro phase

Ana phase

Meta phase

Endangered species of plants have been recorded to more than.

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300

500

600

800

Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as

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Deforestation

A-forestation

Forestation

Both a & b

Which animal shows digitigrade mode of locomotion.

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Bear

Dear

Rabbit

Horse

An association between organisms of different species in which one partner gets benefit and other is harmed.

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Mutualism

Symbiosis

Parasitism

Commensalsim

Each nuclear power station only can last for about

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10 years

20 years

30 years

40 years

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

Lutinizing hormone induces.

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Menstruation

Menopause

Ovulation

Oogenesis

Kidney health is described in terms of :

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The number of kidney stones

Rate of filteration

Water retension

Blood clot

Karyb. Mullis developed the polymerase chain reaction in.

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1963

1973

1983

1993

The light which promotes germination of fern spores.

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green

Yellow

Red

White

Intercalary meristems are situated at.

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Root apex

Shoot apex

Base of internode

Top of internode

Rickets is due to deficiency of vitamin.

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A

C

D

E

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

All of the following are day neutral plants except.

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Pea

Wheat

Maize

Cotton

Animals excreting urea are called.

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Ammonotelic

Ureotelic

Uricotelic

Aminotelic

The average rain fall in temperate deciduous forest is between

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600-1500 mm

650 -1500 mm

750-1500 mm

700 -1500 mm

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