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Select the correct statement from the on...

Select the correct statement from the ones given below with respect to Periplaneta americana:

A

Grinding of food is carried out only by the mouth parts

B

Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

C

Males bear a pair of short thread like anal styles

D

There are 16 very long malpighian tubules present at the junctions of midgut and hindgut

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The correct Answer is:
C
Males bear a pair of short thread like anal styles
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AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-C)
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  2. What external changes are visible after the last moult of a cockroach ...

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  4. Pheretima and its close relatives derive nourishment from

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

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  6. Which of the following characteristic is common both in humans and adu...

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  7. Which of the following happens in the common cockroach ?

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  8. One very special feature in the earthworm is that

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  9. Frogs differ from humans in possessing :

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  10. Consider the following four statements (A-D) related to the common fro...

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  11. Which of the following structures in Pheretima is correctlyn matched ...

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  12. Uric acid is the chief nitrogenous component of the excretory products...

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  13. Which one of the following correctly describes the location of some bo...

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  14. Earthworms have no skeleton but during burrowing, the anterior end bec...

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  15. Earthworms are commonly found in

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  16. Which one of the following has an open circulatory system? (a) Hirudi...

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  17. Primary function of enteronephric nephridia of Pheretima is

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  18. Differentiate between zoospores and zygote

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  19. Which one of the following is one of the paths followed by air//O(2) d...

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  20. Ureters act as urinogenital ducts in

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