Question 31 : Most common disease of poultry in India is
1. fowl pox
2. tick fever
3. ranikhet
4. coryza
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Question 32 : Movement of cell against concentration gradient is called
1. osmosis
2. active transport
3. diffusion
4. passive transport
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Question 33 : Photo-oxidation is
1. photorespiration
2. photolysis
3. light and oxygen induced breakdown
4. All of the above
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Question 34 : Plants developing in dry conditions are
1. xerophytes
2. mesophytes
3. lithophytes
4. hydrophytes
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Question 35 : Plants absorb most part of water needed by them through their
1. embryonic zone
2. growing point
3. root hairs
4. zone of elongation
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Question 36 : Most highly intelligent mammals are
1. whales
2. dolphins
3. elephants
4. kangaroos
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Question 37 : Ptyalin is an enzyme produced in the
1. salivary glands
2. pituitary glands
3. thyroid glands
4. pancreas
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Question 38 : Monotremes are unique mammals because they
1. posses hair
2. give birth to live young
3. secret milk in a pouch
4. lay eggs
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Question 39 : Ramapithecus and Cro-Magnon man are considered
1. ancestors of modern man
2. ancestors of monkey
3. ancestors of lion
4. None of the above
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Question 40 : Pyorrhoea is a disease of the
1. nose
2. gums
3. heart
4. lungs
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