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General Science MCQ
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Which metal is present in haemoglobin?
- Iron
- Zinc
- Magnesium
- Copper
Correct Option: A [ Iron ]
Explanation: Iron is an essential element for blood production, and about 70 percent of your body's iron is in the red blood cells called hemoglobin.
Explanation: Iron is an essential element for blood production, and about 70 percent of your body's iron is in the red blood cells called hemoglobin.
The stars twinkle at night because:
- they emit energy
- of diffraction
- of refraction
- of relection
Correct Option: C [ of refraction ]
Explanation:
Explanation:
Which cells in our body are popularly called 'soldiers' of the human body?
- Eosinophils
- White blood cells
- Red blood cells
- Basophils
Correct Option: B [ White blood cells ]
Explanation:
Explanation:
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