General Science Practice Question and Answer
8 Q: ECG is used to study the disease related to ________.
1054 0609a65308ea85b2491016e40
609a65308ea85b2491016e40- 1Bloodfalse
- 2Kidneyfalse
- 3Hearttrue
- 4Brainfalse
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Answer : 3. "Heart "
Q: Which of the following is hotter?
1049 06073f58e36363c0f94b8526a
6073f58e36363c0f94b8526a- 1Boiling waterfalse
- 2Steamtrue
- 3Icefalse
- 4All of the abovefalse
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Answer : 2. "Steam"
Q: Why do colors appear in soap bubbles due to the incident of light?
1049 061af348d6131eb2319cb7fdd
61af348d6131eb2319cb7fdd- 1due to scatteringfalse
- 2Due to interferencetrue
- 3Due to deflectionfalse
- 4Due to polarizationfalse
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Answer : 2. "Due to interference"
Q: Which one of the following did experiments with pea plants and found that pea plant has some traits which come in pairs - such as rough or smooth, tall or short, yellow or green etc.?
1048 06246f78c398e4a497b448daf
6246f78c398e4a497b448daf- 1Dr. M.S. Swaminathanfalse
- 2Gregor Johann Mendeltrue
- 3George Mestralfalse
- 4Charles Darwinfalse
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Answer : 2. "Gregor Johann Mendel "
Q: Litmus is obtained from-
1048 063b6c63d61d62119f1a1daaa
63b6c63d61d62119f1a1daaa- 1from bacteriafalse
- 2from algaefalse
- 3from fungusfalse
- 4from lichentrue
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Answer : 4. "from lichen"
Explanation :
Litmus is obtained from lichens, which are composite organisms formed from a symbiotic relationship between a fungus and an alga or cyanobacterium. Litmus is a water-soluble mixture of different dyes extracted from lichens, primarily Roccella tinctoria and Roccella fuciformis. It is commonly used as a pH indicator in laboratories to test the acidity or alkalinity of solutions.
Q: Which of the following is a device designed to protect electrical devices from voltage spikes?
1048 0606c2d43556643278a7652f3
606c2d43556643278a7652f3- 1Heat protectorfalse
- 2Voltage unloaderfalse
- 3Current unloaderfalse
- 4Surge protectortrue
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Answer : 4. "Surge protector"
Q: Seismograph is an instrument used to ________.
1047 0639c87f8d319b37ca1dfb9ac
639c87f8d319b37ca1dfb9ac- 1record strength of windfalse
- 2record lighteningfalse
- 3record temperaturefalse
- 4record vibraons of earthquaketrue
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Answer : 4. "record vibraons of earthquake"
Q: The digestive juices present in the stomach helps to digest __________.
1047 1639c899cd319b37ca1dfbd6a
639c899cd319b37ca1dfbd6a- 1both carbohydrates and proteinsfalse
- 2proteins onlytrue
- 3fats onlyfalse
- 4carbohydrates onlyfalse
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