CBSE 2025 · Region 1 · Set 1 · Q3 · 1 mark
Match the items in Column-A with that of Column-B :
Column-A Column-B (i) Lady bird beetle (a) Methanobacterium (ii) Mycorrhiza (b) Trichoderma (iii) Biological control (c) Aphids (iv) Biogas (d) Glomus
Choose the option that matches the items of Column A with that of B correctly :
| Column-A | Column-B |
| (i) Lady bird beetle | (a) Methanobacterium |
| (ii) Mycorrhiza | (b) Trichoderma |
| (iii) Biological control | (c) Aphids |
| (iv) Biogas | (d) Glomus |
Official answer
From CBSE’s own marking scheme for this paper.
(B)
(i) (c), (ii) (d), (iii) (b), (iv) (a)
Microbes in Human WelfareMicrobes as Biocontrol AgentsRemembermcqeasy
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.