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Open circulatory system is present in :-...

Open circulatory system is present in `:-`

A

Annelids and Chordates

B

Annelids and Arthropods

C

Arthropods and Chordates

D

Arthropods and Mollusca

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The correct Answer is:
D
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MOTION-BODY FLUIDS AND CIRCULATION-Exercise - 2 NCERT BASED QUESTIONS
  1. Which information is incorrect about cardiac output ?

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  2. Birds and Mammals have :-

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  3. Open circulatory system is present in :-

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  4. Identify the correct sequence of events in a cardiac cycle :-

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  5. During ventricular systole

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  6. The cardiac impulse is initiated and conducted further upto ventricle....

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  7. The second heart sound (dubb) is associated with the closure of

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  8. Match the terms given under Column 'A' with their functions given unde...

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  9. Cardiac activity could be moderated by the autonomous neural system. T...

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  10. Which among the following is correct during each cardiac cycle

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  11. Blood platelets are found only in the blood of

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  12. What is the main difference in human and frog RBCs?

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  13. Prothrombin is found in :-

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  14. Which type of WBCs are most abundant in the blood of rabbit and other ...

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  15. Blood clotting in a test tube can be prevented by adding a little of :

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  16. Oval, biconvex and nucleated RBC's are found in

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  17. Which of the following is an anticoagulant and checks blood coagulatio...

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  18. In normal healthy female , the number of RBC/mm^(3) of blood is

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  19. Which of the following should be avoided in biological marriages ?

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  20. After examining the blood group of husband and wife ,the doctor advise...

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