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Assertion : Deuteromycetes is known as f...

Assertion : Deuteromycetes is known as fungi imperfecti.
Reason : In Deuteromycetes, only the asexual phase is known.

A

If both assertion and reason and true and reason is the correct explanation of assertion.

B

If both assertion and reason and true and reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Deuteromycetes are commonly known as imperfect fungi because only the asexual or vegetative phase of these fungi are known and perfect or sexual stage is either absent or not known.
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Basidiomycetes/Deuteromycetes grow only by asexual spores.

Why the deuteromycetes are called as 'fungi imperfecti'?

Knowledge Check

  • Deuteromycetes are known as fungi imperfecti because

    A
    Their zygote undergoes meroblastic and holoblastic cleavage
    B
    Only asexual stages are known
    C
    They have aseptate mycelium
    D
    They are autotrophic

  • Fungi imperfecti ( Deuteromycetes ) lack

    A
    spores
    B
    sexual reproduction
    C
    asexual reproduction
    D
    hyphae

  • Deuteromycetes are called "fungi imperfecti" as they have

    A
    Aseptate mycelium
    B
    Autotrophic nutrition
    C
    Only asexual stages
    D
    Zygote does not undergo cleavage.

    • Similar Questions

    Explore conceptually related problems

    Deuteromycetes is called as 'Fungi imperfecti' because of the absence of :

    All members of fungi imperfecti (Deuteromycetes) group lack

    Asseration : Phycomycetes, are commonly known as sac-fungi. Reason : In Phycompyecetes, ascopore (sexual spores) are produced endogenously in sac like asci.

    Consider the following statements regarding Deuteromycetes and choose the option that best represent the statements. I. It is an artificial class of fungi. II. Asexual stages of these fungi are unknown . III. Deuteromycetes are called as fungi imperfecti . IV . Deuteromycetes are actually ascomycetes .

    How many statements are correct ? (a) Deuteromycetes are also known as imperfect fungi because only vegetative or asexual phases of these fungi are known (b) A large number of members of deuteromycetes are decomposer of litter (c) In club fungi stage between dikaryotization and karyogamy is usually prolonged (d) Some members of phycomycetes are obligate parasite on plants

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