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One very special feature in the earthwor...

One very special feature in the earthworm Pheretima is that

A

Fertilisation of eggs occurs inside the body

B

Typhlosole greatly increases the effective absorption area of digested food in intestine

C

It has a long dorsal tubular heart

D

he S-shaped setae embedded in the integument are defensive weapons used against the enemies

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The correct Answer is:
B
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MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
  1. Which statement is incorrect?

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

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

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

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

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  6. Tendons and ligaments are specialized types of

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  7. Compound eyes are found in

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  8. Earthworms are hermaphrodite and reproduce primarily by

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

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  10. In Earthworms setae are present in all segments except

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

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

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  13. Fibroblasts, macrophages and mast cells are seen in

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

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  15. Stratified epithelium is found in :

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  16. Pheretima and its close relatives derive nourishment from

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

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  18. Select the correct statement from the ones given below with respect to...

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  19. What is common between earthworm and Periplaneta?

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  20. The ingrowth of exoskeleton in the head of cockroach is called

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