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Select the correct information about Ame...

Select the correct information about American cockroach (Periplaneta americana) .

A

`{:("Head","Epignathus condition"):}`

B

`{:("Head","10 chambered"):}`

C

`{:("Malpighian tubules ","50-60in number "):}`

D

`{:("Anal cerci","Help in copulation"):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the correct information about the American cockroach (Periplaneta americana), let's analyze each option step by step. ### Step-by-Step Solution: 1. **Option 1: Head is epigonathus condition.** - The term "epigonathus" refers to a head position that is oriented downward, which is not the case for the American cockroach. Instead, the correct term for the head of a cockroach is "hypogonathus," meaning the head is bent at a right angle to the main body axis. - **Conclusion:** This option is incorrect. 2. **Option 2: Head having ten chambers.** - The head of the American cockroach consists of six segments, not ten. Each segment contributes to the structure and function of the head, but there are not ten chambers present. - **Conclusion:** This option is also incorrect. 3. **Option 3: Male Malpighian tubules 50 to 60 numbers.** - Malpighian tubules are excretory structures in cockroaches, but the number of Malpighian tubules in a cockroach is around 150, not 50 to 60. They are located at the junction of the midgut and hindgut. - **Conclusion:** This option is incorrect as well. 4. **Option 4: Anal saccae help in copulation.** - Anal saccae are indeed present in both male and female cockroaches. They serve a sensory function and play a role in the copulation process, making this statement accurate. - **Conclusion:** This option is correct. ### Final Answer: The correct information about the American cockroach (Periplaneta americana) is found in **Option 4: Anal saccae help in copulation.** ---
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