Megasporangium is equivalent to

A ovule
B nucellus
C embryo sac
D fruit.

Verified Solution

Answer & Solution

Correct Answer

(A) ovule

Step-by-step Solution

Detailed explanation

(a) Megasporangium is equivalent to ovule. Ovule is also called integumented magasporangium. It is present inside the ovary that is attached to the cushion called placenta. It has a single embryo sac that is formed from a megaspore through reduction division.

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 \(I\) (Interacting species)	List \(II\) (Name of interaction)
\(A\). A Leopard and a Lion in a forest/grassland	\(I\). Competition
\(B\). A Cuckoo laying egg in a Crow's nest	\(II\). Brood parasitism
\(C\). Fungi and root of a higher plant in Mycorrhizae	\(III\). Mutualism
\(D\). A cattle egret and a Cattle in a field	\(IV\). Commensalism

Choose the correct answer from the options given below.

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