Question 1 : Primary phloem develops from
1. lateral meristem
2. protoderm
3. extrastelar cambium
4. provascular tissue
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Question 2 : Night blindness is cause by lack of which vitamin?
1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin D
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Question 3 : Plant have ____ while animals lack it.
1. starch
2. cellulose
3. protein
4. fat
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Question 4 : Monocot root differs from dicot root in having
1. open vascular bundles
2. scattered vascular bundles
3. well developed pith
4. radially arranged vascular bundles
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Question 5 : Photosynthesis generally takes place in which parts of the plant?
1. Leaf and other chloroplast bearing parts
2. stem and leaf
3. Roots and chloroplast bearing parts
4. Bark and leaf
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Question 6 : Mumps is a disease caused by
1. fungus
2. bacterium
3. virus
4. None of these
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Question 7 : One of the following is not a function of bones.
1. Place for muscle attachment
2. Protection of vital organs
3. Secretion of hormones for calcium regulation in blood and bones
4. Production of blood corpuscles
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Question 8 : Number of chromosomes in Down's syndrome is
1. 46
2. 47
3. 48
4. 49
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Question 9 : Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
1. Exact concentration of solution is not given
2. Character of semi permeable membrane is not given
3. The flow of solution is not possible through semi permeable membrane
4. All are incorrect
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Question 10 : One of the following is most suitable for study of mutations
1. Haploids
2. Diploids
3. Tetraploids
4. Polyploid
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