TNPSC Biology Online Test in Tamil & English - 3

Question: 11

The confirmatory test for AIDS is

(A) ELISA

(B) Western Blot test

(C) Biopsy

(D) X-ray

Question: 12

Testes and ovaries are formed as temporary reproductive organs in

(A) Hydra

(B) Earthworm

(C) Paramecium

(D) Tapeworm

Question: 13

Which one of the following is a one seeded berry?

(A) Cashew nut

(B) Date

(C) Paddy

(D) Mango

Question: 14

Which gives the mechanical strength to the stem of the plant?

(A) Cuticles

(B) Vascular system

(C) Collenchymas cells

(D) Paranchymatous cells

Question: 15

The outer body covering in Euglena is

(A) Pericardium

(B) Pleura

(C) Cell wall

(D) Pellicle