Biology Questions Practice Question and Answer
8 Q: Which of the following does not act both as an exocrine gland and as an endocrine gland?
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5f4362053688b83fde0192be- 1Testisfalse
- 2Pancreasfalse
- 3Pituitarytrue
- 4Ovaryfalse
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Answer : 3. "Pituitary"
Q: The secretion of bile juice is from
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5f8ff1ae9e18f97b703a6455- 1stomachfalse
- 2pancreaticfalse
- 3salivary glandfalse
- 4livertrue
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Answer : 4. "liver "
Q: It causes clotting of blood –
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5ee35cfb55d51a0f6482c48f- 1Thrombintrue
- 2Hemoglobinfalse
- 3Pectinfalse
- 4All of the abovefalse
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Answer : 1. "Thrombin "
Explanation :
The substance that causes the clotting of blood is:
(A) Thrombin
Thrombin is an enzyme that plays a crucial role in the blood clotting process. It is responsible for converting fibrinogen, a soluble plasma protein, into insoluble fibrin threads. These fibrin threads form a mesh that helps in the clotting of blood, particularly at the site of injury or wound. Therefore, option (A) Thrombin is the correct answer.
Q: Antibodies in the context of human anatomy are-
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5f7c0ed1f16bc526c3199e1b- 1Carbohydratesfalse
- 2Proteinstrue
- 3Sterolsfalse
- 4Glycolipidsfalse
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Answer : 2. "Proteins"
Q: Thalassemia is a hereditary disease. It affects –
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5f04391dd3626553adad5efd- 1Lungsfalse
- 2Heartfalse
- 3Bloodtrue
- 4Spleenfalse
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Answer : 3. "Blood "
Q: H.Y.V. refers to –
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5f1554054cff381d16264d7b- 1High Yielding Varietytrue
- 2Human Yellow Vaccinefalse
- 3Hybrid Yielding Varietyfalse
- 4Human Yellow Virusfalse
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Answer : 1. "High Yielding Variety "
Q: A person having blood type B could safely donate blood to persons with blood types
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5f29112b921df8082891ec8e- 1A and ABfalse
- 2B and ABtrue
- 3A and Ofalse
- 4B and Ofalse
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Answer : 2. "B and AB"
Q: Which category of compound is the most concentrated energy source?
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5f571888f13b91397f39416d- 1Vitaminsfalse
- 2Starchfalse
- 3Proteinsfalse
- 4Fatstrue
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