Science GK Practice Question and Answer
8 4 Q:
5f91021d7793eb35d72c61b3 4 4 Q:
5ef4495d2d6fc772f50b8ceb Answer : 3. "Magnetic"
4 4 Q:
5f9101807793eb35d72c610c 4 Q:
5f6046a209624c19c5c13610 Answer : 2. "Egiolps"
4 Q:
604de8a0e147c16b2869ac67 4 Q:
601401905beea84b8ecebc42
Q: Vegetable oils are converted into ghee?
2239 05f91021d7793eb35d72c61b3
5f91021d7793eb35d72c61b3- 1Heat treatmentfalse
- 2hydrogenationtrue
- 3oxygenfalse
- 4by enzymesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "hydrogenation"
Q: Nail polish remover contains ? 2213 05c2dbdbcbc106c237a22c18f
5c2dbdbcbc106c237a22c18f- 1benzenefalse
- 2acetic acidfalse
- 3acetonetrue
- 4petroleum etherfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "acetone"
Q: What is the coupling of primary and secondary coils in a transformer?
2199 05ef4495d2d6fc772f50b8ceb
5ef4495d2d6fc772f50b8ceb- 1Electricalfalse
- 2Mechanicalfalse
- 3Magnetictrue
- 4All thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Magnetic"
Explanation :
The secondary coil is also generating a magnetic field that is growing and shrinking just like the field in the primary coil. This coupling of magnetic energy between these two coils is called mutual induction.
Q: Water drops are spherical because of ? 2192 05c2dc0d094bba731de8f0a36
5c2dc0d094bba731de8f0a36- 1viscosityfalse
- 2densityfalse
- 3polarityfalse
- 4surface tensiontrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "surface tension"
Q: Rust on iron?
2192 05f9101807793eb35d72c610c
5f9101807793eb35d72c610c- 1ferric oxidefalse
- 2Hydrated ferrous and ferric oxidefalse
- 3Alkali ferrous and ferric carbonatefalse
- 4Because of all of the abovetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Because of all of the above"
Q: An aquatic plant was introduced to the US to remove pollution in Indian aquatic bodies as a troublesome weed. what is its name?
2190 05f6046a209624c19c5c13610
5f6046a209624c19c5c13610- 1hawthornfalse
- 2Egiolpstrue
- 3hyacinthfalse
- 4Pistiafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
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.
Q: Embryos of Tritium aestivum have a chromosome number?
2188 0604de8a0e147c16b2869ac67
604de8a0e147c16b2869ac67- 144false
- 263true
- 365false
- 467false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "63"
Q: Which gas is used to purify pond water in cities?
2187 0601401905beea84b8ecebc42
601401905beea84b8ecebc42- 1Sulfur dioxidefalse
- 2Chlorinetrue
- 3Nitrogenfalse
- 4Ammoniafalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Chlorine"
en1597popular