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In the circulatory system of cockroach, ...

In the circulatory system of cockroach, the filling of blood in relaxing heart chambers occurs when

A

Alary muscles contract, pushing down the dorsal diaphragm

B

Alary muscles relax, forcing the head sinus to send the blood from head towards tail through heart chambers

C

Alary muscles contract, squeezing the pericardial sinus

D

Alary muscles relax, pulling the dorsal diaphragm up in normal arched position

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Select the correct match w.r.t. cockroach.

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  2. Which of the following statements is incorrect w.r.t. paurometabolous ...

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  3. In the circulatory system of cockroach, the filling of blood in relaxi...

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  4. Which of the following is not considered a connective tissue?

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  5. Select the incorrect match

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  6. The type of muscular tissue which forms the wall of hollow visceral or...

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  7. In the mouth parts of cockroach, A and B parts help in grindin...

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  8. Formation of bond between which pair of substrates given below is not ...

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  9. Total number of spiracles present in the thoracic region of cockroach ...

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  10. Which of the following statements is correct w.r.t. neuroglial cells?

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  11. Read the following statements and choose the option which includes all...

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  12. Select the correct statement about epithelial tissue.

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  13. An aggregate fruit, which develops from multicarpellary apocarpous ova...

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  14. A proteinaceous aleurone layer :br (a) Is present in maize grain. Br (...

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  15. Absorption of water and minerals is done by root hairs which are prese...

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  16. 95. The plant which is used to extract the blue dye is

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  17. The seed coat is fused with fruit wail in

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  18. Read the following statements and choose the correct option, A- Mango ...

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  19. In a racemose inflorescence the main axis

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  20. Select the true statement(s) regarding banana,

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