Question

Match the items in Column-A with that of Column-B:

• (b) (d) (c) (a)
• (c) (d) (b) (a)
• (d) (a) (b) (c)
• (c) (b) (a) (d)

Hint:

Remember: Biological control agents like Trichoderma and predators like ladybird beetles are used against plant pests like aphids.

Answer 1

The Correct Option is A

Step 1: Lady bird beetle is used in biological control of aphids. → (i) → (c)
Step 2: Mycorrhiza refers to a symbiotic association of fungi with plant roots; Glomus is a genus of mycorrhizal fungi. → (ii) → (d)
Step 3: Trichoderma is a fungal genus used in biological control. → (iii) → (b)
Step 4: Methanobacterium is involved in methane (biogas) production. → (iv) → (a)