TNPSC Group 4 Biology Question Paper with Answers - 2

Question: 6

Respiration in Euglena takes place through

(A) Stigma

(B) Pellicle

(C) Gullet

(D) Cytopharynx

Question: 7

The number of muscles attached to skeletal system in man is

(A) 300

(B) 400

(C) 500

(D) 600

Question: 8

In female the heart weighs

(A) 247-285 gm

(B) 285-340 gm

(C) 265-375 gm

(D) 257-295 gm

Question: 9

The canals of cochlea contain

(A) Cerebrospinal fluid

(B) Perilymph

(C) Endolymph

(D) Plasma

Question: 10

The opening of the pulmonary artery is guarded by

(A) Lunar valve

(B) Bicuspid valve

(C) Semi lunar valve

(D) Tricuspid valve