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Earthworms are known as 'Friends of farm...

Earthworms are known as 'Friends of farmers'. Give reason.

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MAXIMUM PUBLICATION-Structural Organisation in Animals-EXERCISE
  1. Mention the function of the following : a) Blood glands of 'Pheretima'...

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  2. Earthworm is a hermaphrodite animal. Where are its sex organs situated...

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  3. Earthworms are known as 'Friends of farmers'. Give reason.

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  4. Write the missing word in 4th place : Dorsally - Tergites, Ventrally ...

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  5. Find the relationship between given words and suggest the suitable wor...

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  6. You are given two cockroaches and the teacher asked to display the mou...

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  7. While dissecting a cockroach to display its digestive system, a studen...

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  8. While dissecting a cockroach to display its digestive system, a studen...

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  9. Identify the diagram given below. Identify parts from a to e.

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  10. Identify the diagram given below. Identify parts from a to e.

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  11. Circulating fluid of cockroach is colourless. Name the circulating flu...

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  12. Cockroach is uricotelic animal. Give reason.

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  13. Name the four structure helps in excretion in cockroaches.

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  14. If the head of cockroach is cut off, it will still alive for as long a...

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  15. Name the sensory organs of cockroaches

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  16. Compound eyes are more effective than vertebrate eye. Give reason

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  17. Frog show sexual dimorphism. Write the morphological difference presen...

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  18. Prepare a flow chart showing the flow of food in the alimentary canal ...

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  19. Cloaca is a common opening of 3 tubes or tracts. Name the tracts which...

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  20. Cloaca is a common opening of 3 tubes or tracts. Name the tracts which...

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