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

Question : 26

The chief function of vessels in the plant body is

a) to conduct water and mineral salts

b) to translocate food material

c) to support living cells

d) all above

Question : 27

Generally plants absorbed N2 in the form of

a) $NO_3^{-}$

b) N ≡ N

c) $NO_2^{-}$

d) $HNO_2$

Question : 28

Roots develop from parts of the plant other than radicle are called

a) fibrous roots

b) tap roots

c) adventitious roots

d) nodular roots

Question : 29

Which of the following elements is not required by plants for their normal healthy growth?

a) Magnesium

b) Lead

c) Calcium

d) Iron

Question : 30

Match List-I with List-II and select the correct answer using the code given below the lists.

a) A – 4 ; B – 5 ; C – 1 ; D – 3 ; E – 2

b) A – 4 ; B – 5 ; C – 3 ; D – 1 ; E – 2

c) A – 5 ; B – 4 ; C – 3 ; D – 1 ; E – 2

d) A – 4 ; B – 5 ; C – 1 ; D – 2 ; E – 3