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The lateral hearts in earthworm...

The lateral hearts in earthworm

A

Four pairs of valves and are situated in segments 7 and 9.

B

Four pairs of valves and are situated in segments 6 and 8.

C

Three pairs of valves and are situated in segments 8 and 10.

D

Two pairs of valves and are situated in segments 6 and 11.

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The correct Answer is:
A
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MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
  1. Heparin is secreted by

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  2. Stereocilia occur in

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  3. The lateral hearts in earthworm

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  4. Which statement is incorrect?

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  5. In the mouth parts of cockroach the galea and lacinia form parts of ...

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  6. One very special feature in the earthworm Pheretima is that

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  7. Which of the following is correctly stated as happens in the common co...

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  8. The ciliated columnar epithelial cells in humans are known to occur in

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  9. Tendons and ligaments are specialized types of

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  10. Compound eyes are found in

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  11. Earthworms are hermaphrodite and reproduce primarily by

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  12. The process of increasing fertility of soil by the earthworms is calle...

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  13. In Earthworms setae are present in all segments except

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  14. In the diagram of the reproductive system of earthworm A, B, C, D and ...

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  15. About how many times does the nymph of the Periplaneta americana under...

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  16. Fibroblasts, macrophages and mast cells are seen in

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  17. Read the statements with regard to frog. Which of the statement(s) is/...

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  18. Stratified epithelium is found in :

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  19. Pheretima and its close relatives derive nourishment from

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  20. Compared to those of humans, the erythrocytes in frog are

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