Biology Questions Practice Question and Answer
8 Q: Quinine medicine is used?
1011 0603635e824cd273bc4f0afee
603635e824cd273bc4f0afee- 1Cholerafalse
- 2jaundicefalse
- 3Malariatrue
- 4All of thesefalse
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Answer : 3. "Malaria"
Q: Tears come when peeling onions, because onions expel?
1007 06110f6e6d3ab8c0743d0b40f
6110f6e6d3ab8c0743d0b40f- 1Sulfonic acidfalse
- 2Sulfenic acidtrue
- 3amino acidsfalse
- 4Carbolic acidfalse
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Answer : 2. "Sulfenic acid"
Q: If the head of cockroach is removed, it may live for few days because :
1006 063c924c9bdbddb32fda1a10a
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: The yeast used in making bread is?
1004 061110c11f65c04691be9d09f
61110c11f65c04691be9d09f- 1acts as a catalyst for fermentationtrue
- 2does not help in the process of fermentationfalse
- 3acts as a protectorfalse
- 4makes it tastierfalse
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Answer : 1. "acts as a catalyst for fermentation"
Q: Controlling mosquito using chemical substances is called?
1002 0603635939792c13b2854d77a
603635939792c13b2854d77a- 1Bio-controlfalse
- 2Chemical Controltrue
- 3bothfalse
- 4None of thesefalse
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Answer : 2. "Chemical Control"
Q: Deficiency of which of these vitamin causes anaemia in humans?
1000 064b529b82dc867f593f620ca
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: The joint between atlas and axis is called
991 063cf90210d9e560db8e561f7
63cf90210d9e560db8e561f7- 1Angular jointfalse
- 2Hinge jointfalse
- 3Saddle jointfalse
- 4Pivot jointtrue
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Answer : 4. "Pivot joint"
Q: Which of the following enzymes is found in saliva of human body which breaks down starch into simple sugar?
986 0641975a167ad957a978915b3
641975a167ad957a978915b3- 1Amylasetrue
- 2Trypsinfalse
- 3Pepsinfalse
- 4Reninfalse
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