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Which of the following is correct w.r.t. the respiration in cockroach?

A

Tergo-sternal muscles contract and relax harmoniously to cause expiration and inspiration respectively

B

Tracheolar fluid is withdrawn inside the tracheoles when oxygen requirement increases during activity.

C

Expiration is passive as it occurs due to relaxation of muscles.

D

Inspiration is active as it occurs due to contraction of muscles

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Nodes of Ranvier are

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  2. Isotropic band in a striated muscle fibre

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  3. Which of the following is correct w.r.t. the respiration in cockroach?

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  4. Choose the incorrect statement w.r.t. a-helical structure of proteins.

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  5. All the following structures help in excretion, except

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  6. Which of the following is correct w.r.t. gastric caecae of cockroach?

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  7. Titillator and pseudopenis w.r.t. cockroach are

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  8. Juvenile hormone which retains the nymphal characteristics of cockroac...

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  9. Adenosine differs from cytosine because

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  10. The longest and shortest podomeres in the leg of the cockroach are an...

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  11. How many of the following statement(s) is/are incorrect w.r.t. Peripla...

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  12. Find the correct set of lipids belonging to the same category.

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  13. Which of the following is incorrect w.r.t cellulose?

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  14. Select the correct set of secondary metabolites which are alkaloids.

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  15. Starch and glycogen differ from each other in (a) Type of glycosidic b...

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  16. Which of the following is an exclusive feature of mammalian bones?

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  17. Which of the following is a correct example of the location of cartila...

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  18. Which of the following tissues is avascular? (a) Skeletal muscles (b...

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  19. Type of neurons with a single process arising from cyton which divides...

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  20. The functional structure of the enzyme pepsin is structure whose patte...

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