Biology Practice Question and Answer
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Q: What is the weight of human heart?
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5f7564734637db73283bbe03- 1100 gmsfalse
- 21000 gmsfalse
- 3800 gmsfalse
- 4300 gmstrue
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Answer : 4. "300 gms"
Q: Biological catalyst is___
883 05f756167e487e60dceca7d90
5f756167e487e60dceca7d90- 1Amino acidsfalse
- 2C6H12O6false
- 3N2false
- 4Enzymetrue
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Answer : 4. "Enzyme"
Q: What is the pH of blood of a normal person?
776 05f746f59bb26e87e5eeaee43
5f746f59bb26e87e5eeaee43- 14.5—4.6false
- 26.45—6.55false
- 37.35—7.45true
- 48.25—8.35false
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Answer : 3. "7.35—7.45"
Q: The terms gene and genetics were first used-
748 05f746e554637db73283398f4
5f746e554637db73283398f4- 1Johnsonfalse
- 2Batsonfalse
- 3Batson and Johanssonfalse
- 4Johnson and batsontrue
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Answer : 4. "Johnson and batson"
Q: The set or genes of haploid chromosomes of an organism is called-
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5f746de4f66ef56de84366dc- 1genometrue
- 2Kerotypefalse
- 3Chromosomefalse
- 4Neither of the abovefalse
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Answer : 1. "genome"
Q: The cause of Minamata disease is-
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5f746d274637db73283395f3- 1Mercurytrue
- 2Cadmiumfalse
- 3Glassfalse
- 4Zincfalse
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Answer : 1. "Mercury"
Q: Deficiency of which element causes goitre disease?
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5f746c9d4637db732833957e- 1Nitrogenfalse
- 2Calciumfalse
- 3Iodinetrue
- 4Phosphorusfalse
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Answer : 3. "Iodine"
Q: A normal healthy human's heart beats every minute—
823 05f746a8ebb26e87e5eead043
5f746a8ebb26e87e5eead043- 160 timesfalse
- 278 timesfalse
- 3120 timesfalse
- 472 timestrue
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Answer : 4. "72 times"
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