Biology MCQs

11. Oxygen transportation in a human body takes place through
I. Blood
II. Lungs
III. Tissue
The correct sequence of transportation is (UPSC Prelims 1997)
[A] I, II, III
[B] III, I, II
[C] II, I, III
[D] I, III, II

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12. Which part of the human body is affected by Alziemer’s disease?
[A] Brain
[B] Lungs
[C] Heart
[D] Kidneys

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13. Which is the largest muscle in the human body?
[A] Gluteus maximus
[B] Biceps brachii
[C] Masseter
[D] Pectorlis major

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14. Which of the following branch of biology deals with management of farms and the science of crop production?
[A] Agrostology
[B] Agaronomy
[C] Agroinformatics
[D] Agronomy

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15. Which of the following possesses the characteristics of both plants and animals?
[A] Azolla
[B] Lycopodium
[C] Euglena

[D] Sphagnum

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16. What is the approximate number of specific cells in the human body?
[A] 200 types
[B] 300 types
[C] 250 types
[D] 150 types

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17. Who among the following discovered the cell wall?
[A] Robert Hooke
[B] Boveri
[C] J Rhodin
[D] Van Beneden

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18. Which one of the following is an example of a phospholipid?
[A] Steroid

[B] Cholesterol
[C] Lecithin
[D] Sterol

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19. Viral nucleocapsid is a combination of __?
[A] genome and capsid
[B] capsid and spikes
[C] envelope and capsid
[D] capsomere and genome

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20. Conifers can tolerate extreme environments because of__?
[A] Presence of vessels
[B] Thick cuticle
[C] Superficial stomata
[D] Broad hardy leaves

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