physiology of plants, humans and animals - Category wise Question and Answer Practice Test with Solutions

Question : 16

The hormone responsible for phototropism is

a) Abscisic acid

b) Auxin

c) Ethylene

d) Gibberellic acid

Question : 17 [MPPCS (Pre) 1999]

Which part of human body maintain the body temperature?

a) Lungs

b) Liver

c) Heart

d) Kidney

Question : 18

In rainy season, door gets swelled due to

a) diffusion

b) transpiration

c) imbibition

d) respiration

Question : 19

Thoracic cage is made up of

a) ribs, diaphragm & sternum

b) ribs, vertebral column & diaphragm

c) vertebral column, diaphragm & sternum

d) ribs, vertebral column & sternum

Question : 20

Which tissue does lack blood supply and heals slowly ?

a) muscle

b) nervous

c) cartilage

d) bone