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Clitellum is present around 13th, 14th a...

Clitellum is present around 13th, 14th and 15th segments of earthworm.

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**Step-by-Step Solution:** 1. **Understanding the Clitellum**: The clitellum is a specialized structure found in earthworms. It is primarily involved in reproduction. 2. **Location of the Clitellum**: The clitellum is located around the 13th, 14th, and 15th segments of the earthworm. However, it is essential to note that it is often more accurately described as being present on the 14th, 15th, and 16th segments. 3. **Function of the Clitellum**: The clitellum produces a viscous fluid that serves as a protective layer for the eggs. This structure plays a crucial role in the reproductive process of the earthworm. ...
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MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-QUICK MEMORY TEST (Say True or False)
  1. Sarcomere is a segment of strated muscle fibre between consecutive Z-l...

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  2. Neuroglial cells are packing cells between the neurons.

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  3. A tendon attaches a muscle to a muscle.

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  4. Nissl's granules in the cyton are the ribosomes attached on rough endo...

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  5. Hacmocyanin is a red coloured respiratory pigment present in the blood...

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  6. Blood platelets are formed from macrophages.

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  7. Larynx is lined by pseudostratified epithelium.

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  8. Serum albumin acts as antibody to help in body defence.

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  9. Bone forming cells are called osteoclasts while bone dissolving cells ...

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  10. Histiocytes of areolar connective tissue are phagocytic in action

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  11. Ependyma lines the cavities of brain and spinal cord.

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  12. Nodes of Ranvier occur in non-myelinated nerve fibres.

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  13. Male gonopores in earthworm are located on 18th segment.

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  14. Genital papillae are three pairs and are with openings of accessory gl...

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  15. Clitellum is present around 13th, 14th and 15th segments of earthworm.

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  16. Arthrodial membranes join the sclerites of exoskeleton of cockroach.

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  17. Labrum forms the lower lip of mouth parts of cockroach .

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  18. Anal cerci are present in both male and female cockroach.

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  19. Spongy part of long bone contains yellow bone marrow which produces bl...

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  20. Both cardiac and smooth muscles are un nucleate and involuntary.

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