General Science | Biology | Blood Transport System

General Science | Biology | Blood Transport System

Jan 30, 2025 - 14:13 Updated: Jan 30, 2025 - 15:03
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1. The function of haemoglobin in body is

Transport of Oxygen
Destruction of Bacteria
Prevention of Anaemia
Utilization of Iron

2. In which of the following creatures haemoglobin is dissolved in protoplasm?

Frog
Fish
Human
Earthworm

3. Blood is

Connective tissue
Epithelial tissue
Both of the above
None of the above

4. What is haemoglobin?

Substance found in the leaves of plants
Substance found in the bonemarrow
Substance found in human blood
Secretion coming out from the pitiutary gland

5. Due to which the blood has red colour?

Plasma
Haemoglobin
Haemocynin
W.B.C.

6. Red Blood Corpuscles (RBCs) has colour due to

Cutin
Chlorophyll
Haemocynin
Haemoglobin

7. What function does blood perform in the body?

Takes oxygen to all parts
Maintains liquidity
Helps in digestion
Helps in erection

8. Average blood pressure of a human is

60/100
20/80
60/140
120/80

9. The blood pressure (systolic and diastolic) of a healthy man is

120 mm and 80 mm
201 mm and 110 mm
90 mm and 60 mm
85 mm and 55 mm

10. Which of the following instrument is used for measuring blood pressure?

Hydrometer
Multimeter
Salinometer
Sphygmomanometer

11. The blood pressure of an individual is 140 mm Hg. In this statement, 'Hg' refers to

Hydrogen
Mercury
Hygrometer
Heliograph

12. When a person becomes older, his blood pressure generally

Decreases
Increases
Remains the same
Varies widely

13. The blood pressure in our body is

Lesser than the atmospheric pressure
Greater than the atmospheric pressure
Equal to the atmospheric pressure
None of the above

14. For human blood transfusion, which blood group is known as a universal donor?

B+ Group
O Group
AB Group
A+ Group

15. Blood group AB can accept blood from a person which blood group?

Only A
Only B
Only AB
Any group

16. A person with 'AB' blood group is sometimes called a universal recipient because of the

Lack of antigen in his blood
Lack of antibodies in his blood
Lack of both antigens and antibodies in his blood
Presence of antibodies in his blood

17. A person meets with an accident and needs a blood transfusion but there is no time to check his blood group. Which of the following blood groups could be given to him?

O+
O-
AB+
AB-

18. Blood grouping was discovered by

Louis Pasteur
William Harvey
Robert Koch
Landsteiner

19. Rh factor derives its name from a type of

Ape
Human
Monkey
Rat

20. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is

O positive
A positive
B positive
Cannot be determined on the basis of the given data

21. If the blood group of father is 'A' and mother is 'O', then what will be the blood group of son?

B
AB
O
B, AB or O

22. An antigen is a substance which

Destroys harmful bacteria
Is used to treat poisoning
Lowers body temperature
Stimulates formation of antibody

23. An antigen is a substance which

Lowers body temperature
Destroys harmful bacteria
Triggers the immune system
Is used as an antidote to poison

24. What is the basic feature of antigen?

It induces formation of haemoglobin
It induces formation of antibodies
It destroys insulin
It acts against the antibodies

25. Which of the following helps us in protecting from infection?

R.B.C.
W.B.C.
Blood Plasma
Haemoglobin

26. The main function of white blood cells is

Transport of oxygen
Transport of carbon dioxide
To develop resistance towards disease
None of the above

27. By which of the following antibodies are formed in blood plasma?

Monocytes
Lymphocytes
Eosionoophils
Neutrophils

28. The Immunity (Defence) is mostly related with

Lymphocytes
Monocytes
Red blood cells
Thrombocytes

29. The viscous nature of human blood is due to

Proteins in blood
Platelets in plasma
RBC and WBC in blood
All of the above

30. The diameter of white blood corpuscles in human body is, about

0.007 mm
0.7 mm
0.07 mm
0.0007 mm

31. In pathology excess of white corpuscles in the blood is called

Anoxia
Leukaemia
Anaemia
Septicemia

32. In which part of our body are formed Red Blood Cells?

Liver
Heart
Kidney
Bone Marrow

33. Formation of WBC and destruction of RBC takes place in

Lymph gland
Spleen
Pancreas
Liver

34. The blood glucose level is comm-only expressed as

Mm. of Hg
Milligram per decilitre
Parts per million
Gram (mg/dl) per litre

35. Arteries supplying blood to the heart are called

Carotid arteries
Hepatic arteries
Coronary arteries
Pulmonary arteries

36. The enzyme which takes part in changing fibrinogen to fibrin when blood clots are

Pepsin
Maltase
Thrombin
Prothrombin

37. With which of the physiological process thrombin is associated?

Excretion
Blood clotting
Reproduction
Growth

38. Percentage of water in plasma is

60%
70%
80%
90%

39. Biological Oxygen Demand (BOD) is a standard criterion for

Measuing oxygen levels in blood
Computing oxygen levels in forest ecosystems
Pollution assay in aquatic ecosystems
Assessing oxygen levels in high altitude regions

40. When there is a decrease in the concentration of oxygen in the blood, the rate of breathing

Decreases
Increases
Does not change
First decreases, then increases

41. Carbon monoxide poisoning affects mainly which one of the following?

Digestive activity
Liver functioning
Kidney functioning
Oxygen carrying capacity of blood

42. Scientists of which country have developed an artificial blood that is a kind of plastic blood which could be given to any patient regardless of his blood group?

U.S.A.
Britain
China
Norway