Biology Questions Practice Question and Answer
8 4 Q:
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60ffbfefaabf492de4d744bb 4 Q:
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603639cfe62cee435672fb4e 4 Q:
5f571888f13b91397f39416d 4 Q:
64c396e0a4dbfb486bcf64f8 Answer : 4. "iris"
Q: Who discovered the first antibiotic
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5f43619e09e4377de92e8f5e- 1C Waksmanfalse
- 2W Flemingfalse
- 3Louis Pasteurfalse
- 4A Flemingtrue
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Answer : 4. "A Fleming"
Q: Majority of the digestion takes place in the human body.
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5f6c311fec13dd7480fb067b- 1Large intestinefalse
- 2Small intestinetrue
- 3liverfalse
- 4None of thesefalse
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Answer : 2. "Small intestine"
Q: Water from soil enters into root hairs by
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60ffbfefaabf492de4d744bb- 1Capillary Pressuretrue
- 2Osmotic Pressurefalse
- 3Root Pressurefalse
- 4None of the abovefalse
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Answer : 1. "Capillary Pressure"
Q: Which of the following viruses causes Smallpox?
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60acc6b15c11632d824ab59a- 1Rhino Virusfalse
- 2Varicella Virusfalse
- 3Enter Virusfalse
- 4Variola Virustrue
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Answer : 4. "Variola Virus "
Q: Light blue blood in arthropod animals can be due to
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6110f948d3ab8c0743d0b836- 1Hemocyanintrue
- 2hemoglobinfalse
- 3heminfalse
- 4Porphyrinsfalse
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Answer : 1. "Hemocyanin"
Q: BCG vaccine is given?
1681 1603639cfe62cee435672fb4e
603639cfe62cee435672fb4e- 1To protect poliofalse
- 2To prevent tuberculosistrue
- 3for bothfalse
- 4To prevent malariafalse
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Answer : 2. "To prevent tuberculosis"
Q: Which category of compound is the most concentrated energy source?
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5f571888f13b91397f39416d- 1Vitaminsfalse
- 2Starchfalse
- 3Proteinsfalse
- 4Fatstrue
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Answer : 4. "Fats"
Q: The size of the pupil of the eye is controlled by the ______.
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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.
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