Biology Questions Practice Question and Answer
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Q: What are the mechanisms affecting in polio disease?
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60363433a0666c3c8505f6ce- 1circulatory systemfalse
- 2emission systemfalse
- 3nervous systemtrue
- 4Respiratory systemfalse
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Answer : 3. "nervous system"
Q: Night blindness is caused by the deficiency of vitamin _____.
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632c5c245c208a6bf7eb9701- 1Kfalse
- 2Atrue
- 3Cfalse
- 4B12false
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Answer : 2. "A"
Q: Who discovered the first vaccine for smallpox?
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632c4cc031300b7ce4733364- 1Louis Pasteurfalse
- 2Edward Jennertrue
- 3Alexander Flemingfalse
- 4John Hunterfalse
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Answer : 2. "Edward Jenner"
Q: RBCs do not perform aerobic respiration because these do not contain
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63cfbd67e144980db72402f3- 1Mitochondriatrue
- 2Nucleusfalse
- 3Endoplasmic reticulumfalse
- 4Lysosomesfalse
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Answer : 1. "Mitochondria "
Q: What percentage of body weight of an adult human is contributed by muscles?
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63cfbc420d9e560db8e68a8f- 120-30%false
- 210-20%false
- 340-50%true
- 430-40%false
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Answer : 3. "40-50%"
Q: How many teeth in man come out twice?
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63cfbbaa0d9e560db8e684e0- 14false
- 212false
- 320true
- 428false
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Answer : 3. "20"
Q: What is a diphyodont type of dentition?
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63c7b9221e8e3f3e1a35d1e2- 1Two types of teeth onlyfalse
- 2Two phase of gums and teethfalse
- 3Three types of teethfalse
- 4Two sets of teeth during lifetrue
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Answer : 4. "Two sets of teeth during life"
Q: Which organ does detoxification and produces chemicals needed for digestion?
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62de6cbbdc73b0303fb4ed15- 1Thyroid glandfalse
- 2Livertrue
- 3Salivary glandsfalse
- 4Pancreasfalse
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Answer : 2. "Liver"
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