TNPSC Biology Questions and Answers in English Pdf Download - 1
Question: 1
Which of the following cause great damage to plants?
(A) Bacteria
(B) Viruses
(C) Vertebrates
(D) Insects
Ans: D
Insects
Question: 2
An example of macronutrients required for crops is
(A) Nitrogen
(B) Molybdenum
(C) Manganese
(D) Iron
Ans: A
Nitrogen
Question: 3
An example of cash crop is
(A) Soya bean
(B) Cotton
(C) Rice
(D) Onion
Ans: B
Cotton
Question: 4
Which of the following is not a gaseous cycle?
(A) Oxygen
(B) Nitrogen
(C) Carbon
(D) Phosphorous
Ans: D
Phosphorous
Question: 5
A complex of interrelationships among food chains form
(A) Food world
(B) Food energy
(C) Food pyramid
(D) Food web
Ans: D
Food web
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