14. What characteristics are used to
identify the earthworms?
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15. What are earthworm casts?
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16. How do earthworms breathe?
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17. Why do you call cockroach a pest?
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18. Comment on the functions of alary
muscles?
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19. Name the visual units of the
compound eyes of cockroach.
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20. How does the male frog attracts the
female for mating?
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21. Write the types of respiration seen in
frog.
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22. Differentiate between peristomium
and prostomium in earthworm.
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23. Give the location of clitellum and
spermathecal openings in Lampito
mauritii.
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24. Differentiate between tergum and a
sternum.
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25. Head of cockroach is called
hypognathous. Why?
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26. What are the components of blood in
frog?
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27. Draw a neat labeled diagram of the
digestive system of frog.
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28. Explain the male reproductive system
of frog.
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29. Explain the female reproductive
system of frog.
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30. Differentiate between male and
female cockroach?
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