Basic Science Practice Question and Answer
8 Q: Which of the following is not a greenhouse gas?
2215 05f604c192e2c892823456971
5f604c192e2c892823456971- 1methanefalse
- 2nitrous oxidefalse
- 3Sulfur Hexa Fluoridefalse
- 4carbon monoxidetrue
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Answer : 4. "carbon monoxide"
Q: Battery's electrode?
2207 05ef44cbcf2ebd073795bbffb
5ef44cbcf2ebd073795bbffb- 1must be a semiconductorfalse
- 2Should be the conductor of electricityfalse
- 3Should be a good conductor of electricitytrue
- 4None of thesefalse
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Answer : 3. "Should be a good conductor of electricity"
Q: A high speed vehicle honks, so its pitch?
2185 05f912fafd6785c0fc0d91299
5f912fafd6785c0fc0d91299- 1is heard as muchfalse
- 2more audibletrue
- 3hearing impairedfalse
- 4First less and then morefalse
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Answer : 2. "more audible"
Q: Which of the following was the first B vitamin discovered in 1897?
2171 064c38a8666a41f484c1cff4c
64c38a8666a41f484c1cff4c- 1Folatefalse
- 2Biotinfalse
- 3Riboflavinfalse
- 4Thiaminetrue
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Answer : 4. "Thiamine"
Explanation :
1. The first vitamin discovered in 1897 was thiamine, also known as vitamin B1.
2. Thiamine was discovered by Dutch physician Christiaan Eijkman.
3. Vitamin B1 helps body cells convert carbohydrates into energy and maintain proper functioning of the heart, muscles and digestive system.
Q: What is the scientific name of Banyan Tree?
2171 060ab93711615d94344796820
60ab93711615d94344796820- 1Mangifera indicafalse
- 2Ficus benghalensistrue
- 3Azadirachta indicafalse
- 4Shorea robustafalse
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Answer : 2. "Ficus benghalensis "
Q: Vegetable oils are converted into ghee?
2154 05f91021d7793eb35d72c61b3
5f91021d7793eb35d72c61b3- 1Heat treatmentfalse
- 2hydrogenationtrue
- 3oxygenfalse
- 4by enzymesfalse
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Answer : 2. "hydrogenation"
Q: Embryos of Tritium aestivum have a chromosome number?
2127 0604de8a0e147c16b2869ac67
604de8a0e147c16b2869ac67- 144false
- 263true
- 365false
- 467false
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Answer : 2. "63"
Q: An aquatic plant was introduced to the US to remove pollution in Indian aquatic bodies as a troublesome weed. what is its name?
2126 05f6046a209624c19c5c13610
5f6046a209624c19c5c13610- 1hawthornfalse
- 2Egiolpstrue
- 3hyacinthfalse
- 4Pistiafalse
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Answer : 2. "Egiolps"
Explanation :
So the correct answer is 'Eichhornia crassipes' An aquatic plant introduced from America to check pollution turned out to be a troublesome weed in Indian water bodies.