NEET Biology Questions and Answers - 2

Question: 6

Which one of the following is a useful functional association between fungi and the roots of higher plants?

(A) Mycorrhiza

(B) Lichen

(C) Coralloid root

(D) Biofertilizer

Question: 7

Plants which grow on rocks are known as

(A) Oxylophytes

(B) Sclerophytes

(C) Lithophytes

(D) Mesophytes

Question: 8

Commercial agar agar is obtained from

(A) Volvox

(B) Porphyro

(C) Gracilaria

(D) Chlorella

Question: 9

Which of the following plant hormone is mainly responsible for fruit ripening?

(A) Abscissic acid

(B) Ethylene

(C) Cytokinin

(D) None of these

Question: 10

Quinine is obtained from which part of the plants?

(A) Bark

(B) Leaves

(C) Roots

(D) Stem