Biology - Mock Test 274

Question 2731

The greatest diversity of animals in the lake is found in which one of the following zones?

A) Limmnetic zone B) Littoral zone C) Profundal zone D) None of these

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Question 2732

Kangaroo rat most probably would be found in?

A) Tropical rain forest B) Tundra C) Grass land D) Desert

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Question 2733

Scurvy and beri - beri and caused by the deficiency of?

A) Vitamin B and C B) Vitamin B and D C) Vitamin C and B D) Vitamin A and B

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Question 2734

The windpipe or trachea lies?

A) Dorsal to oesophagus B) Ventral to oesophagus C) Lateral to oesophagus D) None of these

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Question 2735

All of the following veins carry deoxygenated blood except?

A) Superior vena cava B) Inferior vena cava C) Hepatic vein D) Pulmonary vein

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Question 2736

The major constituent of blood plasma is?

A) Protein B) NaCl C) Water D) Cholesterol

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Question 2737

If a plasmolysed plant cell is placed in water the cell will?

A) Burst B) Be Killed C) Be deplasmolysed D) Show no change in it

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Question 2738

Hunger pangs usually begin ______ after the previous meal?

A) 2-4 hours B) 6-8 hours C) 10-12 hours D) 12-24 hours

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Question 2739

The food of hydra consists of?

A) Humus B) Detritus C) Dead microscopic animals D) Small crustaceans

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Question 2740

How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?

A) 1 B) 2 C) 3 D) 6

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