Biology MCQs

1. With which of the following diseases Project Kavach is related to?
[A] Malaria
[B] Dengue
[C] AIDS
[D] Swineflu

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2. Which of the following plant growth hormone was recognized by Japanese scientists?
[A] Auxin
[B] Gibberellins
[C] Abscisic acid
[D] Cytokinin

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3. Which among the following is NOT a true bast fiber?
[A] Jute
[B] Hemp
[C] Flax
[D] Cotton

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4. A person with “Bombay Blood group” can receive blood from a person who is from____?
[A] A Group or B Group
[B] AB Group
[C] O Group
[D] None of them

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5. What is the primary role of lipids in the body?
[A] provide energy for muscles and body processes
[B] maintain normal blood volume and normal water content in interstitial fluid
[C] extract waste from blood, balance body fluids, form urine
[D] produce certain proteins for blood plasma

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6. Which one of the following is a useful functional association between fungi and the roots of higher plants?
[A] Mycorrhyza
[B] Lichen
[C] Root Nodules
[D] Cluster roots

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7. Which among the following nitrogenous wastes requires the least water for its excretion?
[A] Ammonia
[B] Urea
[C] Nitrites
[D] Uric Acid

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8. The vocal cords in men are about how many mm long?
[A] 40mm
[B] 20mm
[C] 10mm
[D] 30mm

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9. Which of the following clearly defines the meaning of Plankton? (UPSC Prelims 1982)
[A] A kind of fish
[B] A submerged platform in waters
[C] Drifting of organisms in a body of water
[D] A kind of animal living under water

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10. Mitochondrial DNA in an individual comes from which of the following sources? (UPSC Prelims 1991)
[A] Male parent
[B] Female parent
[C] Both parents
[D] Neither of the parents

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