NEET · Biology · STD 11 - 3. Plant kingdom

Syngamy can occur outside the body of the organism in

A mosses
B algae
C ferns
D fungi

Verified Solution

Answer & Solution

Correct Answer

(B) algae

Step-by-step Solution

Detailed explanation

(b) : Syngamy is the complete and permanent fusion of male and female gametes to form the zygote. When fertilization occurs outside the body of the organism, this type of gametic fusion is called external fertilization or external syngamy. In majority of algae, external fertilization occurs.

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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