#### Transportation in Plants Circulation in Animals Model Question Paper

10th Standard EM

Reg.No. :
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Science

Time : 02:00:00 Hrs
Total Marks : 50
5 x 1 = 5
1. Water which is absorbed by roots is transported to aerial parts of the plant through

(a)

cortex

(b)

epidermis

(c)

phloem

(d)

xylem

2. The wall of human heart is made of

(a)

Endocardium

(b)

Epicardium

(c)

Myocardium

(d)

All of the above

3. Which one of the following regarding blood composition is correct

(a)

Plasma - Blood + Lymphocyte

(b)

Serum - Blood + Fibrinogen

(c)

Lymph - Plasma + RBC + WBC

(d)

Blood - Plasma + RBC+ WBC +Platelets

4. The _________are the largest ofleucocytes

(a)

neutrophil

(b)

monocyte

(c)

basophil

(d)

lymphocyte·

5. The life span of platelets is_________

(a)

3 weeks

(b)

1 month

(c)

2-3 days

(d)

40 days

6. 5 x 1 = 5
7. __________ involves evaporative loss of water from aerial parts.

()

Transpiration

8. Normal blood pressure is __________.

()

$\cfrac { 120 }{ 80 } mmHg$

9. The normal human heartbeat rate is about ____________ time per minute.

()

72

10. Similar to mammals,_________ also have four chambered heart.

()

Aves

11. The __________ supplies nutrition and oxygen to those parts where blood cannot reach

()

lymph

12. 5 x 1 = 5
13. AB blood group

14. (1)

Inflammation

15. O blood group

16. (2)

Absence of antigen

17. Neutrophils

18. (3)

60 % - 65%

19. Neutrophils

20. (4)

Absence of antibody

21. Basophils

22. (5)

0.5 % - 1.0%

6 x 2 = 12
23. Name two layered protective covering of human heart.

24. Why is the colour of the blood red ?

25. Which kind of cells are found in the lymph?

26. Name the heart valve associated with the major arteries leaving the ventricles.

27. What is the cardiac cycle?

28. Define Pulse

29. 4 x 4 = 16
30. What is cohesion?

31. What is the importance of valves in the heart?

32. Differentiate between systemic circulation and pulmonary circulation.

33. List the difference between RBC and WBC

34. 1 x 7 = 7
35. What is Transpiration? Give the importance of transpiration.