TNPSC Biology Quiz 2020-2021 - 1

Question: 1

Which among the following two German scientists were proposed the cell theory?

(A) Robert Cooke

(B) Theodor Schwann and Matthias Jakob Schleiden

(C) Mendel and Darwin

(D) Virchow and Purkinje

Question: 2

How many chromosomes do the human cell contains?

(A) 29

(B) 38

(C) 46

(D) 52

Question: 3

Who discovered the electron microscope.

(A) Robert Hooke

(B) CP Swanson

(C) Rudolf and Kolliker

(D) Max Knoll and Ernst Ruska

Question: 4

Desert plants would be characterised by

(A) Aerenchyma

(B) Aerial roots

(C) Sunken stomata

(D) Vivipary

Question: 5

The universal donor belongs to blood group

(A) O

(B) A

(C) B

(D) AB