Question

Match the items in column 'A' and column 'B' and choose correct answer.

Column A	Column B
(i) Lady bird	(A) Methanobacterium
(ii) Mycorrhiza	(B) Trichodema
(iii) Biological control	(C) Aphids
(iv) Biogas	(D) Glomus

The correct answer is:

• A. (i)-B (ii)- D (iii)-C (iv)-A
• B. (i)-C (ii)- D (iii)-B (iv)-A
• C. (i)-D (ii)-A (iii)-B (iv)-C
• D. (i)-C (ii)-B (iii)-A (iv)-D

Answer 1

Answer: (B)

(i)-C (ii)- D (iii)-B (iv)-A

Lady bird beetle function as a biological controlling agent against Aphids. Glomus is a genus of arbuscular mycorrhizal fungi and it form symbiotic relationship with plant roots which is called mycorrhiza. Tricoderma is used as a biological controlling agent against pathogenic fungi belonging to various genera. Methanobacterium produce methane which is the main component of Biogas.

So, the correct option is '(I)-C, (ii)-D, (iii)-B, (iv)-A'