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Standard XII
Biology
Zygomycetes (Phycomycetes)
Question

In Rhizopus, hyphae are
  1. Branched, septate and antinuclear
  2. Branched, aseptate and multi nucleate
  3. Unbranched, aseptate and multi nucleate
  4. Unbranched, septate and coenocytic

A
Branched, septate and antinuclear
B
Branched, aseptate and multi nucleate
C
Unbranched, aseptate and multi nucleate
D
Unbranched, septate and coenocytic
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Solution
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Rhizopus is a non- septate fungi, where there are no cross striations. Thus, the cytoplasmic streaming is not restricted to a great extent. Cytoplasm streams inside the hyphae. Hyphae is branched in nature. When there are no separating walls, it makes the hyphae multinucleate.
Therefore, the correct answer is option B.

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