General Science Questions Practice Question and Answer
8 Q: Radio waves are reflected from which part of the atmosphere-
1071 161b1dcf545c0db34860a30db
61b1dcf545c0db34860a30db- 1Ionospheretrue
- 2Stratospherefalse
- 3Mesospherefalse
- 4None of thesefalse
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Answer : 1. "Ionosphere"
Q: Why does the sun appear red when rising and sinking?
1071 05fc9c1cfb3b23538af75b46f
5fc9c1cfb3b23538af75b46f- 1radiationfalse
- 2Water vaporfalse
- 3Dust particlesfalse
- 4scatteringtrue
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Answer : 4. "scattering"
Q: Which gas is the most important component of Gobar gas?
1069 0608b7d495c992217d5814c9d
608b7d495c992217d5814c9d- 1Ammoniafalse
- 2Acetylenefalse
- 3Methanetrue
- 4Chlorinefalse
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Answer : 3. "Methane "
Q: If the image formed in a mirror is always erect, equal in size to the object, then the mirror is?
1069 063b567e2f2c35e422dc74e31
63b567e2f2c35e422dc74e31- 1concavefalse
- 2convexfalse
- 3Flattrue
- 4None of thesefalse
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Answer : 3. "Flat"
Explanation :
If the image formed in a mirror is always erect (upright) and equal in size to the object, the mirror is a flat mirror (plane mirror). Flat mirrors reflect light without distorting the image, producing an erect image that is the same size as the object and reversed from left to right.
Q: A virtual image larger than the object can be obtained by a ________.
1068 0639c89fb4eaee21296c27b86
639c89fb4eaee21296c27b86- 1convex mirrorfalse
- 2plane mirrorfalse
- 3concave mirrorfalse
- 4concave lenstrue
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Answer : 4. "concave lens"
Q: Eyes of potato are useful for
1067 06389cf0d9ebad6607b800ffa
6389cf0d9ebad6607b800ffa- 1Nutritionfalse
- 2Respirationfalse
- 3Reproductionfalse
- 4Vegetative propagationtrue
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Answer : 4. "Vegetative propagation"
Q: First mammal to be cloned was -
1065 062e7dd2e4404a856fa0e86db
62e7dd2e4404a856fa0e86db- 1Sheeptrue
- 2Goatfalse
- 3Ratfalse
- 4Frogfalse
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Answer : 1. "Sheep "
Explanation :
Dolly (5 July 1996 – 14 February 2003) was a female domestic sheep, and the first mammal cloned from an adult somatic cell using the process of nuclear transfer.
Q: Identify the unisexual flower-
1065 0639c8d57c7eb1b240b5f9228
639c8d57c7eb1b240b5f9228- 1Petuniafalse
- 2Corntrue
- 3Rosefalse
- 4Mustardfalse
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