Biology Practice Question and Answer
8 Q: In human beings, the small intestine is coiled and is about ______ metres long.
442 0642422fa5bff3d098d10d509
642422fa5bff3d098d10d509- 11 to 1.5false
- 23 to 3.5false
- 32 to 2.5false
- 47 to 7.5true
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Answer : 4. "7 to 7.5"
Q: What does our digestive system consist of?
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63c7ac14bdbddb32fd9cd995- 1Alimentary canal and associated glandstrue
- 2Digestive glands onlyfalse
- 3Digestive glands onlyfalse
- 4Mucous glandsfalse
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Answer : 1. "Alimentary canal and associated glands"
Q: Which of the following is true about
Atrial Natriuretic Factor :
1) Peptide hormone 2) Increases blood pressure 3) Reduces blood pressure 4) Vaso constrictor 5) Cause vasodialation
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63c90f95be373f6c954b29ce- 11, 2 and 4 are truefalse
- 21,3 and 5 are truetrue
- 32 and 4 are truefalse
- 45 only is truefalse
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Answer : 2. "1,3 and 5 are true "
Q: Which of the following is incorrect regarding the shapes of the three portions of the small intestine?
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63c7a80bb338bc336f08b810- 1Duodenum-C shapefalse
- 2Duodenum-J shapetrue
- 3Ileum-highly coiledfalse
- 4jejunum-long coiledfalse
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Answer : 2. "Duodenum-J shape"
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: Which one of the following is the process involved in photosynthesis?
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62ac7badf5480112e46cb4f2- 1Food is oxidized to release carbon dioxide and waterfalse
- 2Oxygen is taken, and carbon dioxide and water vapor are given outfalse
- 3Potential energy is released to form free energyfalse
- 4Free energy is converted into potential energy and storedtrue
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Answer : 4. "Free energy is converted into potential energy and stored "
Q: The skull bones are immovable because of the presence of highly tensile:
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63cf8edce144980db7230cf7- 1Aerolar tissuefalse
- 2Tendonfalse
- 3Cartilagefalse
- 4White fibrous tissuetrue
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Answer : 4. "White fibrous tissue"
Q: Which of the following body parts is directly affected in the disease called rickets?
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64a2b07346047484bc8da336- 1Eyesfalse
- 2Tonguefalse
- 3Spleenfalse
- 4Bonestrue
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Answer : 4. "Bones"
Explanation :
1. Rickets is a bone disease caused by vitamin D deficiency.
2. Due to rickets, the absorption of calcium and phosphorus in the bones decreases.
3. The solution to protect exclusively breastfed babies from this disease is Vitamin D supplements.