General Science Practice Question and Answer
8 Q: Optics is the study of:
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609a7258b9384d208cda8307- 1Atmospherefalse
- 2Nature & Properties of lighttrue
- 3Insectsfalse
- 4Diseasefalse
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Answer : 2. "Nature & Properties of light"
Q: Which tissue helps in wound healing?
1391 063b6a6a328c33f137b3ad215
63b6a6a328c33f137b3ad215- 1nervous tissuefalse
- 2epithelial tissuetrue
- 3muscle tissuefalse
- 4connective tissuefalse
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Answer : 2. "epithelial tissue"
Explanation :
Epithelial tissue plays a crucial role in wound healing. When the skin is wounded, epithelial cells at the edges of the wound multiply and migrate to cover the wound, forming a protective layer. This process is essential for the initial sealing of the wound and is one of the early stages in the overall wound healing process. Epithelial tissue helps in closing the wound and restoring the skin's integrity.
Q: The non-metal used in the vulcanization of rubber is ____________.
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639c8701c0ba0122eca27335- 1phosphorusfalse
- 2sulphurtrue
- 3graphitefalse
- 4iodinefalse
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Answer : 2. "sulphur"
Q: The cathode rays can be deflected-
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6078e778c61d5c2ec9500ad9- 1Both electric and magnetic fieldtrue
- 2Not by any fieldfalse
- 3Only by electric fieldfalse
- 4Only by magnetic fieldfalse
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Answer : 1. "Both electric and magnetic field "
Q: A virtual image larger than the object can be obtained by a ________.
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639c89fb4eaee21296c27b86- 1convex mirrorfalse
- 2plane mirrorfalse
- 3concave mirrorfalse
- 4concave lenstrue
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Answer : 4. "concave lens"
Q: The method of protecting iron from rusting, by coating a thin layer of Zinc is called:
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609917f11c52c418ae4c77d8- 1Oxydisingfalse
- 2Chloroficationfalse
- 3Galvanizingtrue
- 4None of thesefalse
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Answer : 3. "Galvanizing "
Q: Which vitamin among the following is crucial for blood clotting?
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60757d4ec61d5c2ec945b5a8- 1Vitamin Ktrue
- 2Vitamin Dfalse
- 3Vitamin Afalse
- 4Vitamin Efalse
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Answer : 1. "Vitamin K"
Q: Why do colors appear in soap bubbles due to the incident of light?
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61af348d6131eb2319cb7fdd- 1due to scatteringfalse
- 2Due to interferencetrue
- 3Due to deflectionfalse
- 4Due to polarizationfalse
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