TNPSC Group 4 Biology Study Material in English Tamil - 3

Question: 11

In human male reproductive system, the sperms are stored in

(A) Urino-genital duct

(B) Serotum

(C) Epididymis

(D) Testes

Question: 12

The maximum number of tropic levels found in a food chain is

(A) 1

(B) 4

(C) 6

(D) 10

Question: 13

The duration period of menstrual cycle is

(A) 21 days

(B) 28 days

(C) 30 days

(D) 40 days

Question: 14

Hydra is a

(A) Coelomate

(B) Triploblastic organism

(C) Diploblastic organism

(D) Single celled organism

Question: 15

Which of the following is a rice stem borer?

(A) Chilo infuscatellus

(B) Chilo polychrysa

(C) Amsacta albistriga

(D) Oryctes rhinoceros