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Class 11 Biology Practice Test: Structural Organisations in Animals - Earthworm
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An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class Oligochaeta.

Class 11 Biology Practice Test: Structural Organisations in Animals - Earthworm
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25 Questions

1. Which of these statements is true about earthworm?
2. Which segments of the earthworm contain the stomach?
3. Using earthworms to increase soil fertility is called ______
4. Identify the correct pathway of food ingested by an earthworm.
5. Which of these statements regarding the sensory system of earthworm is false?
6. Which of the following statements is true about prostomium?
7. Where are the calciferous glands of the earthworm present?
8. The epidermal pits in the middle of each segment of the earthworm contains _____
9. How many testes does Pheretima possess?
10. What is the function of gizzard in earthworm?
11. At which of these segments does the nerve cord of the earthworm divide into two parts?
12. Respiratory exchange in earthworms takes place through ______
13. How many ovaries are present in an earthworm?
14. What is the median mid dorsal line present along the length of an earthworm?
15. Where are the male genital pores present in earthworm?
16. Where is the female genital pore present in earthworm?
17. What is the excretory organ in earthworm known as?
18. The first body segment of the earthworm is the _____
19. The body wall of the earthworm is externally covered by ______
20. Which of these is not a function of the sensory system of earthworms?
21. What is present on the 5th to 9th segments of the earthworm’s body?
22. Which of the following does the nervous system of the earthworm not contain?
23. Which of the following is not true about nephridia in earthworm?
24. Clitellum is a ______
25. Which of these statements is true about nerve ring?

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