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Question -

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



Answer -

(i) Cockroach
(ii) Four pairs of spermathecae are found in the 6“ to 9th segments (one pair in each segments).
(iii) Cockroach includes a pair of ovaries, that lie laterally in the 2nd to 6th abdominal segments of abdomen.
(iv) Ten
(v) At the junction of midgut and hindgut. 100-150 yellow coloured thin filamentous ring is present in earthworm, which is called malpighian tubules.

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