MHT CET · BIOLOGY · STD 12 - 1. Reproduction in Lower and Higher Plants

Match the characteristics of anther wall layers given in Column I with their names given in Column II.
Column-I Column-II
i. Nutritive layer a. Epidermis
ii. Layer with fibrous thickness b. Middle layers
iii. Protective layer c. Tapetum
iv. Layer that disintegrates in mature anther d. Endothecium
Choose the correct option given below.

A i-c, ii-d, iii-b, iv-a
B i-c, ii-d, iii-a, iv-b
C i-c, ii-b, iii-a, iv-d
D i-b, ii-a, iii-c, iv-d

Verified Solution

Answer & Solution

Correct Answer

(B) i-c, ii-d, iii-a, iv-b

Step-by-step Solution

Detailed explanation

Epidermis is the outermost protective layer made up of tabular (flattened) cells. Endothecium is sub-epidermal layer made up of radially elongated cells with fibrous thickenings. Middle layers are made up of thin walled cells (1-2 layered), which may disintegrate in mature anther. Tapetum is the inner most nutritive layer of anther wall.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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	Column-I		Column-II
i.	Nutritive layer	a.	Epidermis
ii.	Layer with fibrous thickness	b.	Middle layers
iii.	Protective layer	c.	Tapetum
iv.	Layer that disintegrates in mature anther	d.	Endothecium