NEET · Biology · STD 11 - 2. Biology classification

Which one is a wrong statement?

A Haploid endosperm is typical feature of Gymnosperms.
B Brown algae have chlorophyll \(a\) and \(c\) and fucoxanthin.
C Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
D Mucor has biflagellate zoospores.

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Answer & Solution

Correct Answer

(D) Mucor has biflagellate zoospores.

Step-by-step Solution

Detailed explanation

(d) : Mucor is a member of Zygomycetes (the conjugation fungi) in which motile cells \(e.g.\) zoospores, planogametes, etc. are absent. Asexual reproduction takes place by the formation of non motile mitospores called sporangiospores. Sexual reproduction takes place by the formation of non motile zygospores.

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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List\(- I\)	List \(- II\)
(a) Chlamydomonas	(i) Moss
(b) Cycas	(ii) Pteridophyte
(c) Selaginella	(iii) Alga
(d) Sphagnum	(iv) Gymnosperm