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Circulatory system of cockroach is not k...

Circulatory system of cockroach is not known to possess

A

Hemocoel containing colourless plasma and hemocytes

B

Beaded heart with 13 chambers perforated by ostia having valves

C

12 pairs of wing-shaped involuntary alary muscles

D

Myogenic heart

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Match the following w.r.t. to cockroach.

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  2. Most swollen segment in leg cockroach is :

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  3. Circulatory system of cockroach is not known to possess

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

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  5. Ootheca of cockroach is formed of secreted by

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

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

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  8. Mark the incorrect statement about cockroach.

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

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

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

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

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

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  14. The incorrect statement regarding biogas is

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

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

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

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

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  19. Select the wrong statement.

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

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