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Mark the statement that is incorrect for digestive system of cockroach

A

The wall of rectum is provided with six rectal papillae which help in the absorption of water and salt

B

Crop of cockroach is not used for digestion of food as it is lined by cuticle

C

Gizzard is internally provided with six cuticular teeth which crush the food

D

Peritrophic membrane is permeable to digested food and enzymes in the mesenteron

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Most swollen segment in leg cockroach is :

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  2. Circulatory system of cockroach is not known to possess

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  3. Mark the statement that is incorrect for digestive system of cockroach

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  4. Ootheca of cockroach is formed of secreted by

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  5. The alternate contraction and relaxation of terogosternal muscles in c...

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  6. In the male reproductive system of cockroach the seminal vesicles are ...

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  7. Mark the incorrect statement about cockroach.

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  8. Read the following statements and choose the correct option. Statemen...

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  9. Viruses belonging to genus Nucleopolyhedrovirus are the important comp...

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  10. Primary treatment of waste water is mainly a treatment.

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  11. The Ministry of Environment and Forests has initiated Ganga and Yamuna...

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  12. State True (T) or False (F) for the following statements. ...

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  13. The incorrect statement regarding biogas is

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  14. Acetic acid is used in preparation of vinegar. It is usually obtained ...

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  15. A wheat variety with high protein contents has been used as a donor fo...

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  16. In a region of France, Downy mildew of grapes was confined to large va...

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  17. Plants genetically identical to the original plant, produced during ti...

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  18. Select the wrong statement.

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  19. The development of several high yielding varieties of wheat and rice i...

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  20. Collection of genetic variability is required in plant breeding progra...

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