Match the items in Column 'A' and Column ' \( \mathrm{B} \) ' and c...

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Match the items in Column 'A' and Column ' \( \mathrm{B} \) ' and choose correct answer.
Column I
Column II
\( \mathrm{P} \)
A. Lady bird
i. Methano bacterium
W
B. Mycorrhiza
ii. Trichoderma
C. Biological control iii. Aphids
D. Biogas
iv. Glomus
The correct answer is:
a. A-ii, B-iv, C-iii, D-i
b. A-iii, B-iv, C-ii, D-i
c. A-iv, B-i, C-ii, D-iii
d. A-iii, B-ii, C-i, D-iv
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