Biology on General Knowledge related Questions and Answers

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 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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