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Answer in one word or one line.
(i) Give the common name of Periplanata americana.   


Cockroach

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Answer in one word or one line. 

(v) Where do you find Malpighian tubules?


At the junction of midgut and hindgut in a cockroach.

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Answer in one word or one line.    
(ii) How many spermathecae are found in earthworm?         

2

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Answer in one word or one line.            

(iv) How many segments are present in the abdomen of cockroach?                                     


10

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Answer in one word or one line. 
(iii) What is the position of ovaries in cockroach?

2nd to 6th abdominal segment

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