Biology Practice Question and Answer
8 4 Q:
60598bb719447609ff06c79d 4 Q:
64c396e0a4dbfb486bcf64f8 Answer : 4. "iris"
4 Q:
61110db888e05669409e5327 4 Q:
5f72e88941eb2f391f2cbc75 4 Q:
60939b07b8018e6486aef936 4 Q:
5f72f7812d9d25248e05021e 4 Q:
6045f5590cd999184cd8f575 4 Q:
63058d03fef7996822f1d8a9
Q: A chloroplast without cell wall is ________ ?
1324 060598bb719447609ff06c79d
60598bb719447609ff06c79d- 1aleuroplastfalse
- 2amyloplastfalse
- 3protoplasttrue
- 4photoplastfalse
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Answer : 3. "protoplast"
Q: The size of the pupil of the eye is controlled by the ______.
1320 064c396e0a4dbfb486bcf64f8
64c396e0a4dbfb486bcf64f8- 1blind spotfalse
- 2retinafalse
- 3corneafalse
- 4iristrue
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Answer : 4. "iris"
Explanation :
1. The iris controls the amount of light entering the eye.
2. Iris is the colored part of the eye, which provides pigment to the eyes.
3. It is attached to the ciliary muscle, which contracts and expands to accommodate the required amount of light.
Q: The principle of atomic bomb is based on?
1310 061110db888e05669409e5327
61110db888e05669409e5327- 1nuclear fusionfalse
- 2on nuclear fissiontrue
- 3on both of the abovefalse
- 4none of the abovefalse
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Answer : 2. "on nuclear fission"
Q: Conversion of light energy into chemical energy is as follows
1310 05f72e88941eb2f391f2cbc75
5f72e88941eb2f391f2cbc75- 1By electrolysisfalse
- 2By photosynthesistrue
- 3By respirationfalse
- 4By Emissionfalse
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Answer : 2. "By photosynthesis"
Q: Tikka disease is related with the crop
1307 160939b07b8018e6486aef936
60939b07b8018e6486aef936- 1Musturdfalse
- 2Paddyfalse
- 3Ground nuttrue
- 4All of thesefalse
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Answer : 3. "Ground nut"
Q: In humans, kidney is part of a system which is related
1307 05f72f7812d9d25248e05021e
5f72f7812d9d25248e05021e- 1Breathfalse
- 2Transportfalse
- 3Emissionstrue
- 4Nutritionfalse
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Answer : 3. "Emissions"
Q: _________ cells have the most abundant molecules, which are 70 percent or more of the total cell mass.
1307 06045f5590cd999184cd8f575
6045f5590cd999184cd8f575- 1Nucleic acidfalse
- 2Lipidsfalse
- 3Proteinfalse
- 4Watertrue
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Answer : 4. "Water"
Q: Who propounded DNA synthesis? -
1306 063058d03fef7996822f1d8a9
63058d03fef7996822f1d8a9- 1Achhafalse
- 2Könbergtrue
- 3Lamarck -false
- 4Darwinfalse
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Answer : 2. "Könberg "
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