Biology MCQs

11. What term is used for a gene that exhibits multiple effects?
[A] Pleiotropism
[B] Multitropism
[C] Complementary
[D] Allele

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12. Which vitamin is also called as “Pantothenic acid”?
[A] Vitamin K
[B] Vitamin D
[C] Vitamin B3
[D] Vitamin B5

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13. Which vitamin is also called as retinol?
[A] Vitamin A
[B] Vitamin C
[C] Vitamin D
[D] Vitamin K

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14. 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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15. Who among the following is considered to be the father of DNA?
[A] James Watson
[B] Hargobind Khurana
[C] Alec Jeffereys
[D] Leslie Orgel

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16. The most abundant biomolecule on earth is__?
[A] Minerals
[B] Salts
[C] Carbohydrates
[D] Vitamins

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17. Where does agar-agar come from?
[A] Gigartina
[B] Gelidium
[C] Gracillaria
[D] All the above

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18. Which of the following group is used to represent disease-related fungi?
[A] Penicillium
[B] Truffles, mushrooms and morels
[C] Smuts, rusts and moulds

[D] All of the above

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19. In bryophytes, antherozoids are__?
[A] Biflagellate
[B] Multiflagellate
[C] Sometimes biflagellate and sometimes multiflagellate
[D] Biflagellate in a few species and multiflagellate in the rest

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20. The condition of flowers in which all the filaments of the stamens join into a single bundle to form a tube-like structure but the anthers remain free is called__?
[A] Epipetalous
[B] Monadelphous
[C] Staminode
[D] Epiphyllous

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