set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Cavity or lumen is narrow in

a) Parenchyma

b) Sclerenchyma

c) Collenchyma

d) Tracheids

Question : 2

In which of the following reptiles four chambered heart is present ?

a) Snake

b) Lizard

c) Scorpion

d) Crocodile

Question : 3

Bark includes

a) tissues inside xylem

b) all the tissue outside vascular cambium

c) tissues inside the vascular cambium

d) all the dead tissues outside vascular cambium

Question : 4

Lignin is the important constituent in the cell wall of

a) parenchyma

b) phloem

c) xylem

d) cambium

Question : 5

Which of the following is an epidermal cell

a) Root hairs

b) Guard cells

c) Trichome

d) All of these

Question : 6

Universal blood recipient is

a) blood group AB

b) blood group O

c) blood group A

d) blood group B