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What are nephridia? Mention the types of...

What are nephridia? Mention the types of nephridia in earthworm?

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Nephridia are microscopic , coiled and segmentally -arranged excretory and osmoregulatory structures of earthworm . There are three types of nephridia: pharyngeal nephridia, septal nephdridai and integumentary nephridia.
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MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-REVISION EXERCISES (short Answer Questions)
  1. How do axon and dendron differ from each other?

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  2. Give the position and function of bipolar neurons.

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  3. What are nephridia? Mention the types of nephridia in earthworm?

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  4. What are ommatidia? Define mosaic vision of cockroach.

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  5. Which type of mouth parts are found in cockroach? Name the components ...

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  6. Define metameric segmentation. Where does it occur?

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  7. Define tracheal intercom. Why is the respiratory system of cockroach m...

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  8. What is Bidder's canal? Give its function.

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  9. What happens when human RBCs are placed in 0.2% NaCl solution?

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  10. Give two differences between striated and non-striated muscles.

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  11. Give the scientific name of earthworm. What is vermicomposting?

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  12. Give scientific name of Indian frog. Give two differences between frog...

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  13. List various characteristics of epithelial tissue.

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  14. Explain the structure of stratified keratinised squamous epithelium .

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  15. Distinguish between: (i) Single-unit smooth muscle and multi-unit s...

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  16. List the differences between a bone and a cartilage.

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  17. Differentiate between : (i) Tendon and ligament (ii) Plasma and ly...

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  18. Write a note on organs of excretion in a frog.

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  19. Describe types of multicellular glands on the basis of their shape.

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  20. Describe transitional epithelium . Where does it occur ?

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