Question # 1

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

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p²

2p

q²

q

Dialysis cleans the blood either by

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Passing it through an artificial kidney

Filtering it within abdomen

Removing the whole blood from body

Both a&b

In 1958, F.C. steward grew a complete carrot plant from tiny piece of.

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Pith

Cortex

Xylem

Phloem

During non conducting state the neuron membrane is permeable to efflux of.

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Cl-

Ca

Ca+

Na+

K+

The stage that lasts for days, weeks or event years

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Zygotene

Leptotene

Pachytene

Diplotene

Moderate grazing is very helpful to maintain ecosystem.

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Tundra

Grass land

Pond

Desert

Luteinizing hormone induces

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Flowering

Ovulation

Vernalisation

Menopause

The period of life cycle of cell between two consecutive divisions is termed as.

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Resting phase

Inter phase

G1 phase

G2 Phase

A form of air pollution in which airbone acids produced by electric utility plants and other sources fall to Earth in distant regions is

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Acid rain

Basic rain

Heavy rain

Drizzling

Gonorrhea is caused by.

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Treponemapallidum

Neisseria gonnorrhoeae

HCV

HIV

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

Each intervetebral disc is a cushion like pad composed of

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Nucleus pulposus

Annulus fibrosus

Stomium globosus

Both a & b

Gastrin is the hormone produced by mucosa of

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Oesophagus

Small intestine

Stomach

Large intestine

Antidluretric hormone (ADH) released from posterior pituitary act to actively transport water from filtrate to kidney's

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Pelvis

Medulla

Cortex

Interstitium

The cross which is used to find out the homozygous or heterozygous nature of the genotype is called.

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Test cross

Reciprocal ross

Monohybrid corss

Dihybrid cross

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

RNA and Protein called.

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Insulin

Tubulin

Actin

Myosin

The animals that lay shelled eggs to protect the developing embryo are called.

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Oviparous

Ovovlviparous

Viviparous

Egg laying mammals

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