Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 7 PCB Single Correct MCQ
Published on: August 14, 2026

Consider the following statements.

(I) Chryophytes group includes diatoms and golden algae. They have no common cell wall structure, some lack cell walls, others have cell walls, primarily made of cellulose and contain significant amounts of silica.

(II) Alternaria is referred to as imperfect fungi, because their only known reproduction mechanism is an asexual; but a parasexual cycle generally operates in their life.

(III) Basidiomycetes are mushrooms, bracket fungi or puffballs, they reproduce only by means of conidia. Conidia are produced in more complex structure such as pyenidia, sporodochia or synnemata.

(IV) The name virus that means venom or poisonous fluid was given by Pasteur. DL Iwanowsky, these viruses are smaller than bacteria because they passed through bacteria proof filters.

(V) In the species of Ascomycetes, the asexual reproduction takes place by zoospores or by aplanospores, their mycelium is aceptate and coenocytic.

Choose the correct set of statements from the options given below.

A
I, II and IV
B
III, IV and V
C
I, II, IV and V
D
II, III and IV

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Text Solution

Verified by Experts
The correct answer is:
A

Statements I, II and IV are correct and statements III and are incorrect, these can be corrected as

Basidiomycetes are mushrooms, bracket fungi or puffballs. Karyogamy and meiosis take place in the basidium producing four basidiospores. Alternaria belongs to Deuteromycetes. They reproduce only by means of conidia. These are produced in more complex structures such as pycnidia, sporodochia or synnemata.

Phycomycetes are found in aquatic habitats and on decaying wood in moist and damp places or as obligate parasites on plants. The mycelium is aceptate and coenocytic. Asexual reproduction takes place by zoospores and aplanospores.

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