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About how many times does the nymph of P...

About how many times does the nymph of Periplaneta americana undergo moulting before becoming an adult ?

A

4

B

2

C

17

D

13

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Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?

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TRUEMEN BIOLOGY ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS -MULTIPLE CHOICE QUESTIONS
  1. The abdomen of adult cockroaches has ………… segments.

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  2. In earthworm setae are present in all segments except

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  3. About how many times does the nymph of Periplaneta americana undergo m...

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  4. Which one of the following structures in Pheretima is correctly matche...

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  5. The breakdown of detritus into smaller particles by earthworm is a pro...

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  6. Ureters act as urinogenital ducts in

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

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  8. The tympanic cavity, in frog communicates with pharynx ventrally throu...

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  9. Fertilization in frog is

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  10. Compound eyes are found in

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  11. How do you differentiate a frog from a toad

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  12. The open circulatory system is found in

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  13. Which of the following is correct for the common cockroach ?

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  14. In Cockroach, gizzard contains

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  15. What is common between humans and adult Frog

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  16. In mouthparts of Cockroach, galea and lacinia from part of

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  17. The ovaries in frog open into cloaca through

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  18. Specialvenous connection between the heart and the liver in frogs is t...

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  19. Seminal vesicles in Pheretima are located in the segments

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  20. Blood glands in Pheretima are present in the segments

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