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Indicate the correct statement pretainin...

Indicate the correct statement pretaining to Taenia

A

Only anterior proglottids contain male organs, wherease gravid proglottids contain uterus filled with eggs

B

Male organs are confined to posterior proglittids

C

All proglottids contain both male and female organs

D

Female organs are confined to anterior proglottids

Text Solution

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The correct Answer is:
To answer the question regarding the correct statement pertaining to Taenia, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Taenia**: Taenia is a genus of tapeworms that are parasitic in livestock. The two main species are Taenia solium (found in pork) and Taenia saginata (found in beef). They cause a disease in humans known as Taeniasis. 2. **Identify Body Structure**: The body of Taenia is ribbon-like and segmented into parts called proglottids. These proglottids can be immature or mature, depending on whether they contain sexual organs. 3. **Examine Proglottids**: - **Anterior Proglottids**: These contain male reproductive organs, including the sperm duct and testes. - **Mature Proglottids**: These contain both male and female reproductive organs, with a common genital pore. - **Gravid Proglottids**: These are mature proglottids filled with a uterus containing fertilized eggs. 4. **Analyze the Options**: - **Option 1**: "Only anterior proglottids contain male organs, whereas gravid proglottids contain uterus filled with eggs." This statement is correct. - **Option 2**: "Male organs are confined to posterior proglottids." This is incorrect, as male organs are found in anterior proglottids. - **Option 3**: "All proglottids contain both male and female organs." This is incorrect, as immature proglottids do not contain sexual organs. - **Option 4**: "Female organs are confined to anterior proglottids." This is incorrect, as female organs are located in the posterior proglottids. 5. **Conclusion**: The correct statement is Option 1: "Only anterior proglottids contain male organs, whereas gravid proglottids contain uterus filled with eggs."
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