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

Question : 26

Which of the following is not caused by deficiency of mineral nutrition?

a) Chlorosis

b) Etiolation

c) Necrosis

d) Shortening of internodes

Question : 27

Universal blood recipient is

a) blood group AB

b) blood group O

c) blood group A

d) blood group B

Question : 28

Which of the following is an epidermal cell

a) Root hairs

b) Guard cells

c) Trichome

d) All of these

Question : 29

Lignin is the important constituent in the cell wall of

a) parenchyma

b) phloem

c) xylem

d) cambium

Question : 30

Which one is not correct ?

a) Birds - Uricotelic

b) Humans - Uriotelic

c) Lizards - Uricotelic

d) Whale - Ammonotelics