NEET BIOLOGY

REPRODUCTION

REPRODUCTION IN ORGANISMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called
A
Filaments
B
Hyphae
C
Rhizoids
D
Roots
Explanation: 

Detailed explanation-1: -A hypha is a long, branching filamentous structure of a fungus. In most fungi, hyphae are the main mode of vegetative growth and are collectively called as a mycelium. Hyphae are tubular thread-like structures bearing sporangia at their tips. Example: Rhizopus.

Detailed explanation-2: -Final Answer:-In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called hyphae.

Detailed explanation-3: -The blob – like structure found at the tips of hyphae in Rhizopus is called sporangia.

Detailed explanation-4: -Rhizopus fungi are characterized by a body of branching mycelia composed of three types of hyphae: stolons, rhizoids, and usually unbranching sporangiophores. The black sporangia at the tips of the sporangiophores are rounded and produce numerous nonmotile multinucleate spores for asexual reproduction.

Detailed explanation-5: -Sporangiophores: Hyphae are long, slender thread-like structures. Sporangiophores are simple, unbranched hyphae with rounded sporangia at their ends. In Rhizopus, sporangia are present at the tips. Sporangia develop non-motile multinucleate spores for asexual reproduction.

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