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In earthworms, the male genital aperture...

In earthworms, the male genital aperture contains two pairs of.......... for copulation.

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penial setae
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FULL MARKS-ORGAN AND ORGAN SYSTEMS IN ANIMALS -ADDITIONAL QUESTIONS SOLVED (II Fill in the blanks)
  1. ...... ... nephridia are present in the sth.gih segments

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  2. Special cells on the coelomic wall of the intestine called ..............

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  3. In earthworms, the male genital aperture contains two pairs of...........

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  4. The secretion of the prostate gland serves to cement the spermatozoa i...

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  5. .............. are present in the 7th, 8th and 9ih segment of earthwor...

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  6. The process of producing compost using earthworm is called .......

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  7. The first pair of wings of cockroach is called ........

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  8. In both male and female cockroach, genital apertures are surrounded by...

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  9. In the mouth parts of cockroach helps in grinding of food.

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  10. In between the foregut and midgut of cockroach ...... ... are present

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  11. In between the midgut and the hindgut of cockroach, ................ a...

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  12. The respiratory organs of cockroach are ......

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  13. The trachea of cockroach open through 10 pairs of small holes called.....

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  14. The opening and closing of spiracles are regulated by. .. ...

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  15. The blood of cockroach is called as.......

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  16. The blood from the sinuses enters the heart of cockroach through the ....

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  17. In cockroach, there is a accessory. .... at the base of each antenna ...

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  18. The .......... receptors are located in the antenna, maxillary palps a...

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  19. ... ....... are found on the first four tarsal segments on the legs of...

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  20. The receptor chordotonal is found on the .............. which respond ...

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