10th Class biology Chapter wise Important Bit Bank in English Medium

TRANSPORTATION

1. In amoeba, hydra materials are transported through ____________.

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Brownian movement

2. Pulse rate in well trained athletes is ________. Pulse rate in new born babies is ________.

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40-60, 100-150

3. Stethoscope was discovered by _________ in 1816.

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Rene Laennac

4. Heart is covered by two layers called _______________ .

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pericardial membranes

5. ____________ supply blood to the muscles of heart.

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Coronary vessels

6. The larger artery is called ______ rises from upper part of the left ventricle.

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aorta

7. ________________ observed valves in the leg veins.

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Girolano Fabrici

8. _______________ described about double circulation of blood.

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William Harvey

9. Capillaries in the legs of bat observed by ______________ in 1661.

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Marcello Malpighi

10. The cardiac cycle (contraction and relaxation) completes in ______ seconds.

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0.8

11. No. of beats/min in Blue whale are _____ and ______ in coaltit (bird).

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7, 1200

12. Swelling of feet after overnight journey is called ________.

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edema

13. Transportation of materials happens through __________________ in Cnidarians (hydra, jelly fish)

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gastro vascular cavity

14. In Nematyhelmenths (round worm) _____________ conducts transportation of materials.

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pseudopodium

15. ____________ is used for measuring blood pressure.

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Sphygmo manometer

16. Normal blood pressure in healthy man is ________ (systole/ diastole).

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120/80

17. Blood clots in _______ min.

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3-6

18. ____________________ released by platelets plays an important role in blood coagulation.

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Thrombokinase

19. The straw yellowish colour liquid portion after formation of blood clot is ________ .

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serum

20. Vitamin ‘____’ helps in coagulation of blood.

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K

21. Blood does not coagulate in the case of ___________.

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hemophilia

22. Rhesus factor (Rh) was first discovered in ____________ .

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Rhesus monkeys

23. Thalassemia major can be cured by _________ transplantation.

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bone marrow

24. Transportation of sugars (food) in plants occurs through ______ and water through _________ .

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phloem , xylem

25. Evaporation of water through stomata of leaves is called ___________ .

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transpiration
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