NEET · Biology · STD 11 - 3. Plant kingdom

Life cycles of Ectocarpus and Fucus respectively are

A diplontic, haplodiplontic
B haplodiplontic, diplontic
C haplodiplontic, haplontic
D haplontic, diplontic

Verified Solution

Answer & Solution

Correct Answer

(B) haplodiplontic, diplontic

Step-by-step Solution

Detailed explanation

(b) : Ectocarpus possesses haplodiplontic whereas Fucus possesses diplontic life cycle.

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 \(II\)
\(A.\) Common cold	\(I.\) Plasmodium
\(B.\) Haemozoin	\(II.\) Typhoid
\(C.\) Widal test	\(III.\) Rhinoviruses
\(D.\) Allergy	\(IV.\) Dust mites

:Choose the correct answer from the options given below :

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A.	Chlorophyll a	(i)	Yellow-green
B.	Chlorophyll b	(ii)	Yellow
C.	Xanthophylls	(iii)	Blue-green
D.	Carotenoids	(iv)	Yellow to Yellow-orange