Biology Practice Question and Answer
8 Q: If the head of cockroach is removed, it may live for few days because :
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63c924c9bdbddb32fda1a10a- 1The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.false
- 2The cockroach does not have nervous system.false
- 3Head holds a small proportion of nervous system while restis situated along ventral part of its bodyfalse
- 4The head holds 1/3rd of the nervous system while the rest is situated along dorsal part of its body.true
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Answer : 4. "The head holds 1/3rd of the nervous system while the rest is situated along dorsal part of its body."
Q: Tears come when peeling onions, because onions expel?
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6110f6e6d3ab8c0743d0b40f- 1Sulfonic acidfalse
- 2Sulfenic acidtrue
- 3amino acidsfalse
- 4Carbolic acidfalse
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Answer : 2. "Sulfenic acid"
Q: In biological terms, _______ is a relationship between two organisms in which one organism benefits and the other is unaffected.
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62bec68925fd051a656575ba- 1Parasitismfalse
- 2Mutualismfalse
- 3Amensalismfalse
- 4Commensalismtrue
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Answer : 4. "Commensalism"
Q: The joint between atlas and axis is called
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63cf90210d9e560db8e561f7- 1Angular jointfalse
- 2Hinge jointfalse
- 3Saddle jointfalse
- 4Pivot jointtrue
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Answer : 4. "Pivot joint"
Q: Deficiency of which of these vitamin causes anaemia in humans?
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64b529b82dc867f593f620ca- 1Vitamin Dfalse
- 2Vitamin Bfalse
- 3Vitamin Afalse
- 4Vitamin B12true
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Answer : 4. "Vitamin B12"
Explanation :
Symptoms of vitamin B12 deficiency or folate deficiency anemia develop slowly and are similar to those of other types of anemia, such as fatigue, weakness, and pale skin. Vitamin B12 deficiency can also cause nerve damage, the main symptoms of which include tingling, loss of touch, and muscle weakness. Confusion can arise when Vitamin B12 becomes too low. Vitamin B12 deficiency anemia in the elderly can be mistaken for dementia. This happens because of similar symptoms.
Q: Between small and large human intestine which one is longer?
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6066e1ab5815fc6501fb28e4- 1Small intestinefalse
- 2Large intestinefalse
- 3Both are equal in lengthfalse
- 4Depends on males or femaletrue
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Answer : 4. "Depends on males or female"
Q: Which of these animals have external and internal skeleton?
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61110aa388e05669409e4dde- 1Cockroachfalse
- 2Earthwormfalse
- 3Frogsfalse
- 4Snaketrue
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Answer : 4. "Snake"
Q: How many different types of teeth are present in humans?
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63c7be35be373f6c95467fc1- 1Twofalse
- 2Threefalse
- 3Fourtrue
- 4Fivefalse
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