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In earthworm, the stomach is situated in...

In earthworm, the stomach is situated in

A

8-10 segments

B

9-14 segments

C

14-25 segments

D

10-14 segments

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The correct Answer is:
To determine where the stomach of an earthworm is situated, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Structure of Earthworm**: - Earthworms have a long, cylindrical, and segmented body. Each segment contains different parts of the alimentary canal. 2. **Identify the Alimentary Canal Parts**: - The alimentary canal is divided into several parts, each located in specific segments of the earthworm's body. 3. **Locate the Mouth and Other Parts**: - The mouth is located in the 1st segment. - The buccal cavity is located in the 2nd to 3rd segments. - The pharynx is found between the 3rd and 4th segments. - The esophagus is situated between the 5th and 7th segments. 4. **Identify the Gizzard's Location**: - The gizzard is located between the 8th and 9th segments. 5. **Find the Stomach's Position**: - The stomach is located between the 9th and 14th segments. 6. **Conclusion**: - Based on the information gathered, the stomach of the earthworm is situated between the 9th and 14th segments. ### Final Answer: The stomach in an earthworm is situated in the **9th to 14th segments**. ---
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TRUEMEN BIOLOGY ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS -MULTIPLE CHOICE QUESTIONS
  1. The function of typhlosole (between 26-35 segment) in earthworm is to

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  2. Gizzard in Pheretima is an organ

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  3. In earthworm, the stomach is situated in

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  4. Chromophil cells in earthworm takes part in secretion of mucus and are...

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  5. The flow of blood in the dorsal blood vessel of earthworm is

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  6. Which statement is true about earthworm ?

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  7. In a copulating pair of earthworm, which two processes take place ?

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  8. In earthworm, the anterior loops are situated in

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  9. Blood vascular system of earthworm is of

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  10. The smallest longitudinal blood vessel in Earthworm is

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  11. Which of the blood vessel may be considered as true heart in earthworm...

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  12. Septal nephridia of earthworm pour excretory matter into

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  13. Chloragogen cells found in coelomic fluid of earthworms are analogous ...

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  14. Origin of nephridia in earthworm is

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  15. Which organ in earthworm is analogous to kidney of man ?

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  16. Pharyngeal nephridia of Pheretima are found in segments

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  17. Similarity between septal nephridia ad Malpighian tubule is that

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  18. The septal and pharyngeal nephridia open into alimentary canal and are...

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  19. Earthworm is

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  20. Which is correct about earthworm ?

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