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Choose the incorrect statement about phy...

Choose the incorrect statement about phycomycetes.

A

Members are found in aquatic habitats.

B

Spores are endogenously produced in sporangium.

C

A zygospore is formed by reduction division.

D

They show all type of syngamy.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question "Choose the incorrect statement about phycomycetes," we need to analyze each of the provided statements about phycomycetes and determine which one is incorrect. ### Step-by-Step Solution: 1. **Understanding Phycomycetes**: - Phycomycetes is an outdated classification that generally refers to certain fungi, particularly those with aseptate (coenocytic) hyphae. This group includes fungi like zygomycetes and trichomycetes. 2. **Analyzing the Statements**: - **Statement 1**: "Members are found in aquatic habitats." - This statement is **correct**. Phycomycetes are commonly found in aquatic environments as well as on decaying organic matter. - **Statement 2**: "Spores are endogenously produced in spore enzyme." - This statement is **correct**. In phycomycetes, spores (like zoospores) are produced endogenously within sporangia. - **Statement 3**: "A zygospore is formed by reduction division." - This statement is **incorrect**. A zygospore is formed by the fusion of two gametes (syngamy), and it undergoes meiosis to produce spores afterward, not during its formation. - **Statement 4**: "They show all types of syngamy." - This statement is **correct**. Phycomycetes can exhibit various forms of syngamy, including isogamy, anisogamy, and oogamy. 3. **Identifying the Incorrect Statement**: - Based on the analysis, the incorrect statement is **Statement 3**: "A zygospore is formed by reduction division." ### Conclusion: The incorrect statement about phycomycetes is that "A zygospore is formed by reduction division." Therefore, the answer is **option C**. ---
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