TNPSC Group 1, 2, 2a, 4, VAO Zoology Online Mock Test in English and Tamil - 1

Question: 1

In the eye, colour vision is affected by the presence of

(A) Rods

(B) Cones

(C) Sclerotic coat

(D) Choroid coat

Question: 2

The fungal derivative used in the treatment of tuberculosis is

(A) Streptomycin

(B) Aspirin

(C) Anacin

(D) Tetracycline

Question: 3

The organism which causes brain fever is

(A) Pigeon

(B) Dog

(C) Pig

(D) Bacteria

Question: 4

Number of chromosomes responsible for Turner’s syndrome is

(A) 45

(B) 48

(C) 50

(D) 60

Question: 5

At which stage does a silk moth secrete silk of commercial value?

(A) Adult

(B) Cocoon

(C) Egg

(D) Larva