O’Level Biology Question and Answers under Respiration Part two

O/LEVEL BIOLOGY REVISION QUESTIONS AND ANSWERS

Topic: Respiration part two

This Quiz provides you with most of the question under the topic of Respiration with their Answer which are well explained at the end of the Quiz.

1. The importance of hairs on the leaf surfaces is to:

Keep the leaf warm

Reduce rate of transpiration

Ease loss of water from leaf

Protect the leaf

Question 1 of 43

2. Why do stomata in some leaves open at night?

To avoid loss of oxygen during the day

To reduce rate of respiration

To stop photosynthesis to occur

To reduce on transpiration rate

Question 2 of 43

3. What makes a plant able to survive without a circulatory system?

Air is circulated by water

All parts of a plant can take in air

They do not need outside air to respire

It has a small surface are to volume ratio

Question 3 of 43

4. What makes a plant able to survive without a circulatory system?

It has a small surface are to volume ratio

They do not need outside air to respire

Air is circulated by water

All parts of a plant can take in air

Question 4 of 43

5. The importance of fibrinogen in blood is to:

Make blood thick

Reduce on the speed of blood movement

Make anti bodies for defence

Help blood clot when exposed to air

Question 5 of 43

6. The following are functions of plasma expect:

Transport carbon dioxide in form of bicarbonate

Transport excretory waste such as urea

Transport glucose from cells to tissues

Make antibodies for body defence

Question 6 of 43

7. Which of the following make red blood cells efficient for their function

They have a biconcave

They are always breaking down after 120 days

They are destroyed in the liver and spleen

They are made in the red bone marrow

Question 7 of 43

8. Which of the following is a method white blood cell use defence

By ingesting and destroying bacteria

By covering bacteria with big cell

By migrating quickly to where germs are

By making tactical amoeboid movement

Question 8 of 43

9. Which of the following is responsible for blood clotting

Albumin

Platelets

Globulins

White blood cell

Question 9 of 43

10. Which of the following is not a function of blood

Transport of impulses

Defence of body against diseases

Transport of oxygen

Distribution of heat

Question 10 of 43

11. What is the importance of pulmonary circulation?

To add oxygen to blood

To reduce pressure of blood

To increase pressure of blood

To obtain food nutrients

Question 11 of 43

12. The vessels that returns blood from the body to the heart is called

Pulmonary artery

Pulmonary vein

Vena cava

Aorta

Question 12 of 43

13. What is the name of blood vessels that takes blood from the small intestines to the live?

Hepatic artery

Mesenteric artery

Hepatic vein

Hepatic portal vein

Question 13 of 43

14. The muscles that makes the heart is called

Voluntary

Smooth muscle

Cardiac muscle

Skeletal muscle

Question 14 of 43

15. The heart is supplied by:

Superior vena cava

Coronary artery

Pulmonary artery

Inferior vena cava

Question 15 of 43

16. Which of the following valves stops bloods from returning to heart

Bicuspid valve

Ventricular valve

Semi lunar valve

Tricuspid valve

Question 16 of 43

17. What is the importance of fibrous tissue in arteries?

Allow blood flow fast

Stop blood flow back flow

Stop the arteries from bursting

Allow the arteries to stretch

Question 17 of 43

18. Which of the following characteristics of artery allow blood to flow at high pressure

Thick wall

Wide vessel

Narrow lumen

Elastic wall

Question 18 of 43

19. What is the function of capillaries in the body?

To reduce the speed of blood flow

To form large vessels

To reduce blood pressure

To distribute oxygen and food

Question 19 of 43

20. Which of the characteristics of veins stop back flow of blood

Presence of valves

Larger lumen

Thinner wall

Steady pressure

Question 20 of 43

21. Which of the following veins does not carry deoxygenated blood

Pulmonary vein

Hepatic vein

Renal vein

Lliac vein

Question 21 of 43

22. Which of the following is a product of anaerobic respiration in animals

Ethanol

Lactic acids

Carbon dioxide

Water

Question 22 of 43

23. The structure in amoeba involved in osmoregulation is called food vacuole

Nucleus

Food vacuole

Endoplasm

Contractile vacuole

Question 23 of 43

24. A storage carbohydrate in animal cells is referred to as

Starch

Chitin

Glucose

Glycogen

Question 24 of 43

25. Which one of the following hormones stimulates the removal of glucose from blood?

Thyroxine

Insulin

Glucagon

Adrenalin

Question 25 of 43

26. What happens to excess proteins in the liver of humans?

Used to build up new cells

Stored as proteins

Converted into fats

Broken down to form urea

Question 26 of 43

27. Which one of these vitamins is stored in the liver?

C and B3

C and E

A and D

E and K

Question 27 of 43

28. Which of the following are products of breakdown of red blood cells

Hemoglobin and bile pigments

Bile salts and phosphorous

Iron and bile pigments

Iron and calcium renal gland

Question 28 of 43

29. Which of the following structures is not part of the urinary system

Kidney

Urethra

Adrenal gland

Ureter

Question 29 of 43

30. The part of the kidney that sieves the blood is known as

Loop of Henle

Glomerulus

Bowman’s capsule

Proximal tubule

Question 30 of 43

31. Why do stomata in some leaves open at night?

To stop photosynthesis to occur

To reduce on transpiration rate

To avoid loss of oxygen during the day

To reduce rate of respiration

Question 31 of 43

32. What makes a plant able to survive without a circulatory system?

All parts of a plant can take in air

Air is circulated by water

It has a small surface are to volume ratio

They do not need outside air to respire

Question 32 of 43

33.

The importance of fibrinogen in blood is to:

Reduce on the speed of blood movement

Help blood clot when exposed to air

Make blood thick

Make anti bodies for defence

Question 33 of 43

34. The following are functions of plasma expect:

Transport excretory waste such as urea

Make antibodies for body defence

Transport glucose from cells to tissues

Transport carbon dioxide in form of bicarbonate

Question 34 of 43

35. Which of the following make red blood cells efficient for their function

They are always breaking down after 120 days

They are made in the red bone marrow

They have a biconcave

They are destroyed in the liver and spleen

Question 35 of 43

36. Which of the following is a method white blood cell use defence

By making tactical amoeboid movement

By covering bacteria with big cell

By migrating quickly to where germs are

By ingesting and destroying bacteria

Question 36 of 43

37. Which of the following is responsible for blood clotting

Globulins

Platelets

Albumin

White blood cell

Question 37 of 43

38. Which of the following is not a function of blood

Transport of impulses

Transport of oxygen

Distribution of heat

Defence of body against diseases

Question 38 of 43

39. What is the importance of pulmonary circulation?

To increase pressure of blood

To obtain food nutrients

To add oxygen to blood

To reduce pressure of blood

Question 39 of 43

40. The vessels that returns blood from the body to the heart is called

Pulmonary vein

Vena cava

Aorta

Pulmonary artery

Question 40 of 43

41. What is the name of blood vessels that takes blood from the small intestines to the live?

Hepatic portal vein

Hepatic vein

Hepatic artery

Mesenteric artery

Question 41 of 43

42. The muscles that makes the heart is called

Voluntary

Skeletal muscle

Smooth muscle

Cardiac muscle

Question 42 of 43

43. Which part of the heart receives blood from all parts of the body?

Left ventricle

Right ventricle

Aorta

Auricles

Question 43 of 43

O/LEVEL BIOLOGY REVISION QUESTIONS AND ANSWERS

Topic: Respiration part two

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