Biology MCQs

11. The temperature for pasteurisation of milk is selected so as to fulfil which among the following purposes? (UPSC Prelims 1979).
[A] Kill the micro-organisms
[B] Kill all bacteria
[C] Store it for long time without coagulation
[D] Kill the micro organisms and other harmful bacteria

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12. What is caused by the deficiency of Vitamin D? (UPSC Prelims 1980).
[A] Rickets
[B] Night blindness
[C] Pellagra
[D] Scurvy

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13. Which of the following is the thermoregulatory centre of the man body? (UPSC Prelims 1991)
[A] Pituitary
[B] Skin
[C] Hypothalamus
[D] Thyroid

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14. The highest fat content is found in the milk of which of the following animals? (UPSC Prelims 1991)
[A] Buffalo
[B] Cow
[C] Camel
[D] Reindeer

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15. Which among the following types of bees does not have commercial importance?
[A] Dammer bee
[B] The little bee
[C] The Indian hive bee
[D] None of the above

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16. What was “Albert Szent-Gyorgyi” famous for?
[A] As a Hungarian biochemist
[B] As a Hungarian physicist
[C] As a Hungarian mathematician
[D] As a Hungarian novelist

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17. What is another name for cyanobacteria?
[A] Blue-green algae
[B] Protists
[C] Golden algae
[D] Slime moulds

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18. Which of the following is a sexual spore?
[A] Ascospore
[B] Sporangiospore
[C] Conidia
[D] Zoospore

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19. Which of the following is the simplest amino acid?
[A] Glycine
[B] Tyrosine
[C] Alanine
[D] Asparagine

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20. Microfilaments are made up of which protein?
[A] Tubulin
[B] Actin
[C] Myosin
[D] Chitin

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