Basic Science Practice Question and Answer
8 Q: On the day of 21 July 1969, who created a new history by setting foot on the moon.
1058 05f74698a4637db7328337047
5f74698a4637db7328337047- 1Yuri Gagarin and Neil Armstrongfalse
- 2Neil Armstrong and Edwin Aldrintrue
- 3Yuri Gagarin and Edwin Aldrinfalse
- 4Rakesh Sharmafalse
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Answer : 2. "Neil Armstrong and Edwin Aldrin"
Q: Blood group was discovered by -
1056 0600aaf7f1187ab38691f5b09
600aaf7f1187ab38691f5b09- 1Karl Landsteinertrue
- 2Pavlovfalse
- 3Alexander Flemingfalse
- 4William Harveyfalse
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Answer : 1. "Karl Landsteiner "
Q: Any moving body on earth comes to rest due to the following reason?
1054 060140352d039355294ee14dd
60140352d039355294ee14dd- 1Due to inertial lawfalse
- 2due to friction forcetrue
- 3Due to momentum conservationfalse
- 4due to the force of gravityfalse
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Answer : 2. "due to friction force"
Q: Which of the following is a non-conserved force?
1048 0611b66afccbc2b477b6dc67a
611b66afccbc2b477b6dc67a- 1force of gravityfalse
- 2force of viscositytrue
- 3interatomic forcefalse
- 4electrostatic forcefalse
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Answer : 2. "force of viscosity"
Q: How many colours does sunlight consist of?
1042 064a68f058ecb104cc62b09af
64a68f058ecb104cc62b09af- 13false
- 22false
- 37true
- 45false
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Answer : 3. "7"
Explanation :
1. Sunlight has seven colors.
2. Seven colours – violet, indigo, blue, green, orange, yellow and red.
3. Violet has the shortest wavelength, while red has the longest wavelength.
4. The seven colours contained in sunlight can often be seen in rainbows.
5. Rainbows are formed when sunlight passes through raindrops.
Q: On heating potassium chlorate?
1039 0611b615c14663c47a233f073
611b615c14663c47a233f073- 1Nitrogen gas is releasedfalse
- 2Oxygen gas is releasedtrue
- 3Hydrogen gas is releasedfalse
- 4none of thesefalse
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Answer : 2. "Oxygen gas is released"
Q: The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?
1028 0611b6363ccbc2b477b6dc0d8
611b6363ccbc2b477b6dc0d8- 1ethanefalse
- 2Methanetrue
- 3carbon dioxidefalse
- 4carbon monoxidefalse
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Answer : 2. "Methane"
Q: The chemical name of_______ is calcium sulphate hemihydrates.
1025 06082908f38ab470ae93bd0a4
6082908f38ab470ae93bd0a4- 1Baking powderfalse
- 2Gypsumfalse
- 3Baking sodafalse
- 4Plaster of Paristrue
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