Biology MCQs

11. RBCs are formed in which of the following in the adults?
[A] black bone marrow
[B] white bone marrow
[C] red bone marrow
[D] blue bone marrow

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12. Which of the following is the reason behind when one enters a dark room; he is not able to see anything but after some time his vision improves?
[A] The retina of the eye comes forward
[B] The retina of the eye moves backward
[C] The pupil of the eye contracts
[D] The pupil of the eye dilates

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13. Which of the following is commercially produced from Hybridoma technology?
[A] Monoclonal antibodies
[B] interferon
[C] antibodies
[D] alcohol

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14. Which gas is released during the process of photosynthesis in plants?
[A] Carbon dioxide
[B] Methane
[C] Oxygen
[D] Nitrogen

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15. Which branch of biology is known for the study of cells?
[A] Cytology
[B] Bacteriology
[C] Bryology
[D] Mycology

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16. Branch of science dealing with the medicinal plants is known as__?
[A] Pharmacognosy
[B] Pharmacology
[C] Phenology
[D] None of these

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17. Which of the following vitamins was discovered by Sir Edward Mellanby?
[A] Vitamin C
[B] Vitamin D
[C] Vitamin K
[D] Vitamin E

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18. How many of the following blood cells are there in the human body?
[A] 25 trillion
[B] 15 trillion
[C] 35 trillion
[D] 55 trillion

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19. Virus size is usually measured by__?
[A] centimeters
[B] micrometers
[C] nanometers
[D] millimeters

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20. Which of the following includes ‘club fungus’ in this fungal division?
[A] Zygomycota
[B] Deuteromycota
[C] Basidiomycota
[D] Ascomycota

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