Biology MCQs

11. Bile is secreted by which of the following organs? (UPSC Prelims 1985)
[A] Liver
[B] Gall bladder
[C] Kidney
[D] Pancreas

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12. The saliva helps in the digestion of which of the following materials? (UPSC Prelims 1988)
[A] Starch
[B] Proteins
[C] Fibers
[D] Fats

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13. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by? (UPSC Prelims 2000)
[A] a decrease in the supply of oxygen
[B] minor wear and tear of muscle fibres
[C] the depletion of glucose
[D] the accumulation of lactic acid

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14. Pollination by which among the following is called as ornithophily?
[A] Rodents
[B] Aquatic animals
[C] Ants
[D] Birds

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15. Who is known as the ‘God of plants’?
[A] Soma
[B] Varuna
[C] Rudra
[D] Indra

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16. Which of the following branch of biology deals with the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants?
[A] Agriforestry
[B] Horticulture
[C] Arboriculture
[D] Forestry

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17. The study of ear, nose and throat is done in which of the following branches?
[A] Otorhinolaryngology
[B] Organology
[C] Ontogeny
[D] Ophthalmology

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18. Serology is related to which of the following statements?
[A] Study of dietetics
[B] Study of snakes
[C] Study of serum
[D] Study of seeds

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19. Which of the following vitamins was crystallized by Harry Holmes and Ruth Corbet?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin E

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20. Which of the following statements about the cell wall is false?
[A] cell wall is mainly composed of lipid
[B] cell wall is mainly composed of starch
[C] cell wall is mainly composed of protein
[D] All of the above

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