Biology MCQs

1. Which among the following cells is capable to develop in any of the type of cell?
[A] Endothelial
[B] Endodermal
[C] Stem
[D] None of the above

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2. The gastric acid which is secreted by the stomach epithelium cells is actually which of the following ?
[A] H2So4
[B] HCL
[C] H20
[D] H2s

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3. Which one of the following pairings is inaccurate?
[A] Malleus – Middle Ear Bone
[B] Maxilla – Facial Bone
[C] Lunate Carpal Bone – Wrist Bone
[D] All are correct

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4. Which of the following is the result of the decrease in white blood cells? (UPSC Prelims 1979).
[A] Decrease in Antibodies
[B] Increase in Antigens
[C] Increase in Antibodies
[D] No change

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5. Why do the tropical deciduous trees shed their leaves in summer? (UPSC Prelims 1983)
[A] Leaves get dried up due to the excessive heat
[B] To prevent excessive loss of water through transpiration
[C] Because rainfall is inadequate
[D] Days are longer

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6. Which of the following is the quality of the pitch of the voice of women? (UPSC Prelims 1994)
[A] marginally lower than that of men
[B] higher than that of men
[C] much lower than that of men
[D] the same as that of men

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7. Which of the following is the name given to the cellular and molecular control of programmed cell death? (UPSC Prelims 2001)
[A] Apoptosis
[B] Ageing
[C] Degeneration
[D] Necrosis

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8. Which organelle in the cell, other than nucleus, contains DNA? (UPSC Prelims 2001)
[A] Centriole
[B] Golgi apparatus
[C] Lysosome
[D] Mitochondrion

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9. Which branch of biology is known for the scientific study of organic matter in living things?
[A] Photophysical
[B] Biochemistry
[C] Biotechnology
[D] Molecular Biology

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10. The theory of DNA structure and nature was propounded by __?
[A] Oswald Avery
[B] James Black
[C] Watson and Crick
[D] John Eccles

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