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

Question : 16

In adult, normal blood pressure is

a) 100/80 mm Hg

b) 80/120 mm Hg

c) 120/80 mm Hg

d) 100/120 mm Hg

Question : 17

The food that gives more calories per unit mass of food is

a) carbohydrates

b) protein

c) fat

d) water

Question : 18

Effect of low temperature which shortens vegetative period and hasten flowering is

a) transpiration

b) vernalization

c) photoperiodism

d) photolysis

Question : 19 [NDA]

Due to accumulation of which one of the following, joggers experience pain in their leg muscles after running?

a) Acetic acid

b) Lactic acid

c) Malic acid

d) Citric acid

Question : 20

Main function of lenticel is

a) guttation

b) transpiration

c) gaseous exchange

d) both (a) & (c)