Question # 1

The unit of life is called.

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Organ

Cell

Tissue

None of these

The valves present in the veins are

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Bicuspid

Semi lunar

Tricuspid

Aortic

The volume of air taken inside the lungs and expelled during exercise is about

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2.5 liters

3.5 liters

4.5 liters

1.5 liters

Coral reefs are mostly formed. of.

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Calcium carbonate

Silica

Chitin

Lignin

Sphenodon is found is.

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Australia

New Zealand

Texas

Berlin

Which is correct order of parts of air passage ways in man.

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Nostrils, Nasal cavity, Pharynx, Larynx

Nasal cavity, Nostrils, Pharynx, Larynx

Nasal cavity, Pharynx, Nostrils, Larynx

Nostrils, Pharynx, Larynx, Nasal cavity

The excretory system of flatworms is composed of.

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Nephron

Nephridia

Flame cells

Ganglia

Antibiotic obtained from a soil fungus and used in organ transplantation for preventing transplant rejection is.

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Penicillin

Lovastatin

Cyclosporine

Ergotin

In Mollucs, a respiratory pigment of blue colour is present called.

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Haemoglobin

Haemocyanin

Haemoery thrin

None of these

Keratin is an example of Fibrous protein present in.

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Muscles

Blood

Bones

Nails ad Hair

Match heart attack with one of the followings.

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Stroke

Dedema

Myocardial infarction

Hypertension

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

In the zone of elongation, the volume of the cells increase upto.

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100 times

150 times

200 times

250 times

The fossil fuels are

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Coal

Oil

Gas

All a,b and c

Mutualism is a type of.

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Symbiosis

Parasitism

Predication

Commensalism

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

Lavering is the characteristic of.

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Tundra

Desert

Grass land

Talga

Most land mammals respond to cold by raising their.

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skin

Furs

Bristles

Spines

The process that normally exerts the greatest control over the water balance of an individual is:

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Sweating

Kidney function

Evaporation through the skin

Respiratory loss

Lichen is a symbiotic association between a fungus and.

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Gymnosperm

Angiosperm

An alga

Pterrdophyta

Endocrine gland secrete

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Harmones

Salts

Enzymes

Mucous

Some dominant trees of temperate deciduous forests are

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Taxus baccata

Pinus wallichiana

Berberis lyceum

Both a,b and c

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