Question # 1

The sensation of pain is produced by

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Chemoreceptors

Photoreceptors

Nociceptors

Mechanoreceptors

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

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Cl-

Ca

Ca+

Na+

K+

Three sets of microtubules (fibres) originate from each pair of

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Glyoxisomes

Iysosomes

Peroxisomes

Centrioless

In spermatophytes important step in land adaptation is the evolution.

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Seed coat

Fruit

Pollen tube

Flower

Urea is detoxified form of____ in the urea cycle which can be retained in the body.

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Ammonia

Nitrogen

Uric Acid

CO2

The inflammatory degenerative disease of joint is

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Arthritis

Sciatica

Herniation

Spondylosis

Unspecialized cells, neoblast are always present in body of.

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Salamander

Planaria

Lizard

Newt

Luteinizing hormone induces

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Flowering

Ovulation

Vernalisation

Menopause

The malpighian tubules remove nitrogenous wastes from the

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Lymph

Hind gut

Hemolymph

Coelomic fluid

Blood serum containing antibodies is called.

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Plasma

Antigen

Antiserum

Immuno globulin

Tetany is disease caused by.

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Low calcium in blood

Low sugar blood

Low Vit. d in blood

High calcium in blood

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

If lobster loses its pincer claw a new claw

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Regenerates

Never develops

IS ready

None of these

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

What are the penotypes of the parent of a colour-blind son and non-carries daughter with normal colour vision?

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FATHER MOTHER

Carrier Normal

FATHER MOTHER

Colour blind Carrier

FATHER MOTHER

Normal Carrier

FATHER MOTHER

Normal Colour- blind

The perennial plants are bushes or cacti with large shallow root systems in

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Grassland

Deserts

Tundra

Taiga

Fruit ripening is often accompanied by burst of respiratory activity called.

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Apomixes

Climacteric

Endosperm

Photoperiodism

Diseases in living organisms caused by parasites are called.

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Infestation

Endoparasites

Disinfestation

Ectoparasites

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