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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 ENGLISH-TEST 2-EXERCISE
  1. match the following

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  2. The most swollen segme in the leg of 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. Flames cells are present in

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  9. Mark the incorrect statement about cockroach.

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  10. Toddy is made by fermenting sap from

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

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  12. Photoautotrophic cyanobacteria which can fix atmospheric nitrogen is/a...

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

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  14. Biocontrol agents are preferred over chemical methods of pests and dis...

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

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

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  17. The turbidity of bottled fruit juices is cleared with the help of enzy...

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

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  19. The incorrect statement regarding biogas is

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

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