General Science Practice Question and Answer
8 4 Q:
5e574881c202fc4e80bf5859 4 Q:
5db92a73e7ff3d08a1c5ffbf 4 Q:
5e833ac69c3d360179c0ac07 4 Answer : 2. "Methane"
4 Q:
5e5791082ec0ee6eac1282fd 4 Q:
6023ebfae4d6c265698f7447 Answer : 4. "Mercury and Venus"
4 Q:
5db92c4ee7ff3d08a1c600be 4 Q:
610a5640997056628329f01e
Q: Whose pieces are the magnet protectors?
1701 05e574881c202fc4e80bf5859
5e574881c202fc4e80bf5859- 1Nickelfalse
- 2Cobaltfalse
- 3Steelfalse
- 4Soft Irontrue
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Answer : 4. "Soft Iron"
Q: The metal always found in free state is__
1700 05db92a73e7ff3d08a1c5ffbf
5db92a73e7ff3d08a1c5ffbf- 1Goldtrue
- 2Sodiumfalse
- 3Silverfalse
- 4copperfalse
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Answer : 1. "Gold"
Q: Which of the following is an aldehyde?
1695 05e833ac69c3d360179c0ac07
5e833ac69c3d360179c0ac07- 1Propanaltrue
- 2Propanolfalse
- 3Propinefalse
- 4Propanonefalse
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Answer : 1. "Propanal "
Q: The main constituent of biogas is 1693 05b5cc69de4d2b4197774c8e1
5b5cc69de4d2b4197774c8e1- 1oxygenfalse
- 2Methanetrue
- 3acetic acidfalse
- 4methyl alcoholfalse
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Answer : 2. "Methane"
Explanation :
Answer: B) Methane Explanation: The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia. Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.
Q: Can the approximate age of the tree be ascertained?
1690 15e5791082ec0ee6eac1282fd
5e5791082ec0ee6eac1282fd- 1by sapping the heightfalse
- 2by sapping the diameterfalse
- 3Counting the annual rings located mainly in the tanetrue
- 4Counting the annual rings found in the branchfalse
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Answer : 3. "Counting the annual rings located mainly in the tane "
Q: The two planets which have no satellites are:
1688 06023ebfae4d6c265698f7447
6023ebfae4d6c265698f7447- 1Mercury and Marsfalse
- 2Venus and Marsfalse
- 3Earth and Uranusfalse
- 4Mercury and Venustrue
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Answer : 4. "Mercury and Venus"
Explanation :
Mercury and Venus are the two planets in our solar system that do not have any natural satellites (moons).
Q: Petroleum is found-
1688 05db92c4ee7ff3d08a1c600be
5db92c4ee7ff3d08a1c600be- 1On the surface of the earthfalse
- 2In the atmospherefalse
- 3In arctic oceanfalse
- 4Deep under the surface of the earthtrue
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Answer : 4. "Deep under the surface of the earth"
Q: Which planet spins the fastest?
1685 0610a5640997056628329f01e
610a5640997056628329f01e- 1Marsfalse
- 2Jupitertrue
- 3Mercuryfalse
- 4Venusfalse
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Answer : 2. "Jupiter"
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