Science Quiz Based on NCERT


1. Name the pigment which gives red colour to the blood in mammals.
A.Globulin
B.Haemoglobin
C.Plasma
D.Platelets

1: B

2. The fluid part of the blood is called _______
A.RBCs
B.Plasma
C.Haemoglobin
D.WBCs

2: B

3.The matrix of blood is known as 
A.Plasma
B.Serum
C.RBC and WBC
D.WBC and platelets

3: B

4. Upper chambers of a human heart are called?
A.atria
B.ventricles
C.pulmonary vein
D.vena cava

4: A

5. The filtering of blood through an artificial kidney is called ________
A.circulation
B.transportation
C.dialysis
D.diffusion

5: C

6. Name the scientist who discovered blood circulation?
A.Isaac Newton
B.Christiaan Barnard
C.William Harvey
D.William Thomson

6: C

7. The major excretory product in humans is ________
A.uric acid
B.ammonia
C.faeces
D.urea

7: D

8. Vascular tissues that transport water and nutrients in plants are called _________.
A.Veins
B.Phloem
C.Xylem
D.Root Hairs

8: C

9. Phloem helps in the transport of _________ in plants.
A.Food
B.Water
C.Minerals
D.Carbon dioxide

9: A

10. Blood from various parts of the body is returned to the
A.Right ventricle
B.Right atrium
C.Left ventricle
D.Left atrium

10: B

11. The life span of RBC 
A.100 days
B.110 days
C.120 days
D.130 days

11. C

12. The ratio of WBC and RBC is
A.1:60
B.1:600
C.1:6000
D.1:60000

12. B

13. During blood coagulation, thromboplastin is released by
A.RBC
B.Blood plasma
C.Leucocytes
D.Clumped platelets and damaged tissues

13. D

14. The life span of WBC is approximately
A.Less than 10 days
B.Between 20-30 days
C.Between 2-3 months
D.More than three months

14. B

15. The normal level of Haemoglobin per 100 ml of blood in women is
A.14g
B.18 g
C.20 g
D.10 g

15. A
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