In angiosperms, microsporogenesis and mega sporogenesis

A involve meiosis
B occur in ovule
C occur in anther
D form gametes without further divisions.

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Answer & Solution

Correct Answer

(A) involve meiosis

Step-by-step Solution

Detailed explanation

(a) : In angiosperms, microsporogenesis i.e., formation of microspores (or pollen grains) occurs by the meiotic divisions of diploid microspore mother cells (or pollen mother cells). Microsporogenesis takes place in the anther. Megasporogenesis \(i.e.\) formation of megaspores occurs by the meiotic divisions of diploid megaspore mother cells. Megasporogenesis takes place in the ovule.

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.

Same subject

Match List\(-I\) with List\(- II.\)

List\(-I\)	List\(-II\)
\((a)\) Vaults	\((i)\) Entry of sperm through Cervix is blocked
\((b)\) \(IUDs\)	\((ii)\) Removal of Vas deferens
\((c)\) Vasectomy	\((iii)\) Phagocytosis of sperms within the Uterus
\((d)\) Tubectomy	\((iv)\) Removal of fallopian tube

Choose the correct answer from the options given below. \((a)- (b)- (c)- (d)\)

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In angiosperms, microsporogenesis and mega­ sporogenesis

Step-by-step Solution

In angiosperms, microsporogenesis and mega sporogenesis