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The body of sponges does not possess tis...

The body of sponges does not possess tissue level of organisation, though it is made up of thousands of cells. Comment on it.

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Even though the sponges body made up of thousands of cells, they exhibit cellular grade of organization, due to the absence of sensory and nerve cells spongs does not possess tissue level of organisation.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-STRUCTURAL ORGANISATION IN ANIMALS -Important Question
  1. The body of sponges does not possess tissue level of organisation, tho...

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  2. What is tissue level of organisation among animals? Which metazoans do...

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  3. What is cephalization ? How is it useful to its possessors?

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  4. Why is the true coelom considered a secondary body cavity?

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  5. What are retroperitoneal organs ?

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  6. Distinguish between exocrine and endocrine glands with examples.

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  7. Distinguish between holocrine and apocrine glands.

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  8. Distinguish between a' tendon and a ligament.

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  9. Distinguish between osteoblasts and osteoclasts.

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  10. Define Osteon.

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  11. What is lymph ? How does it differ from plasma ?

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  12. Cardiac muscle is highly resistant to fatigue. Justify.

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  13. Distinguish between 'nucleus' and 'ganglion' with respect to the nervo...

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  14. Distinguish between white matter and greymatter of CNS'.

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  15. What are pseudounipolar neurons ? Where do you find them ?

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  16. Mention the advantages of coelom over pseudocoelom.

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  17. Give an account of glandular epithelium.

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  18. Explain Haversian system.

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  19. Write short notes on lymph.

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  20. Describe the structure of a cardiac muscle.

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  21. Describe the structure of a multipolar neuron.

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