Biology Objective Type Questions and Answers - 3

Question: 11

Which of the following cell organelles functions as the power house of a living cell?

(A) Ribosome

(B) Mitochondria

(C) Golgi apparatus

(D) Chloroplast

Question: 12

The teeth which develop two times in their life cycle of the human beings are

(A) 4

(B) 8

(C) 12

(D) 20

Question: 13

Which one of the following is necessarily needed to digest the food stuffs?

(A) mineral

(B) enzyme

(C) water

(D) air

Question: 14

Heart is made up of

(A) nonstriated muscle

(B) connective tissue

(C) cardiac muscle

(D) none of these

Question: 15

Leukaemia or blood cancer is characterized by abnormal increase of the

(A) Blood platelets

(B) Red blood cells

(C) Blood plasma

(D) White blood cells