10: Basic Level
-
Which process provides energy to living organisms?
a) Digestion
b) Respiration
c) Excretion
d) Transportation -
Taking in of food is called:
a) Digestion
b) Ingestion
c) Absorption
d) Assimilation -
Which enzyme is found in saliva?
a) Pepsin
b) Amylase
c) Trypsin
d) Lipase -
Which organ stores bile?
a) Liver
b) Gall bladder
c) Pancreas
d) Kidney -
The inner lining of the stomach is protected by:
a) Acid
b) Enzyme
c) Mucus
d) Water -
Where does digestion begin in humans?
a) Stomach
b) Mouth
c) Small intestine
d) Large intestine -
The basic unit of kidney is:
a) Neuron
b) Nephron
c) Alveoli
d) Villus -
Which tissue transports food in plants?
a) Xylem
b) Phloem
c) Stomata
d) Roots -
The opening and closing of stomata is controlled by:
a) Guard cells
b) Epidermis
c) Xylem
d) Phloem -
Which gas is used in photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
11–20: Moderate Level
-
Which blood vessel carries oxygenated blood?
a) Vein
b) Artery
c) Capillary
d) Vena cava -
The functional unit of lungs is:
a) Nephron
b) Alveoli
c) Bronchi
d) Trachea -
Which process releases energy from food?
a) Digestion
b) Respiration
c) Transpiration
d) Absorption -
Which organ controls breathing?
a) Cerebrum
b) Cerebellum
c) Medulla
d) Spinal cord -
Which organ produces bile?
a) Pancreas
b) Liver
c) Kidney
d) Stomach -
Food is transported in plants through:
a) Xylem
b) Phloem
c) Stomata
d) Roots -
Removal of waste products is called:
a) Digestion
b) Respiration
c) Excretion
d) Circulation -
Which part absorbs water in digestive system?
a) Small intestine
b) Large intestine
c) Stomach
d) Mouth -
The movement of water in plants is due to:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Digestion -
Which chamber of heart pumps blood to lungs?
a) Left atrium
b) Right atrium
c) Left ventricle
d) Right ventricle
21–30: Higher Level
-
Anaerobic respiration occurs in:
a) Presence of oxygen
b) Absence of oxygen
c) Only in plants
d) Only in animals -
Which enzyme digests proteins in stomach?
a) Amylase
b) Pepsin
c) Lipase
d) Trypsin -
Double circulation is found in:
a) Fish
b) Amphibians
c) Birds and mammals
d) Reptiles -
Which blood component helps in clotting?
a) RBC
b) WBC
c) Platelets
d) Plasma -
Exchange of gases occurs in:
a) Bronchi
b) Trachea
c) Alveoli
d) Larynx -
Which vitamin is formed in sunlight?
a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D -
Loss of water from leaves is called:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Digestion -
The yellow color of urine is due to:
a) Urea
b) Urochrome
c) Bilirubin
d) Hemoglobin -
Which part of nephron filters blood?
a) Tubule
b) Loop of Henle
c) Glomerulus
d) Collecting duct -
Which organ stores urine?
a) Kidney
b) Ureter
c) Urinary bladder
d) Urethra
31–40: Application Level
-
Which structure increases surface area for absorption in small intestine?
a) Alveoli
b) Villi
c) Nephrons
d) Stomata -
Which part of plant absorbs water from soil?
a) Stem
b) Leaves
c) Root hairs
d) Flowers -
Which blood vessel has valves?
a) Artery
b) Vein
c) Capillary
d) Aorta -
What is the function of RBC?
a) Fight infection
b) Clot blood
c) Transport oxygen
d) Produce enzymes -
Which process converts glucose into pyruvate?
a) Glycolysis
b) Digestion
c) Transpiration
d) Absorption -
Which organ secretes insulin?
a) Liver
b) Pancreas
c) Kidney
d) Stomach -
Which substance is absorbed by xylem?
a) Food
b) Water and minerals
c) Oxygen
d) Carbon dioxide -
Which process maintains water balance in plants?
a) Respiration
b) Transpiration
c) Digestion
d) Photosynthesis -
Which chamber receives oxygenated blood from lungs?
a) Right atrium
b) Left atrium
c) Right ventricle
d) Left ventricle -
Which waste is removed through lungs?
a) Urea
b) Carbon dioxide
c) Ammonia
d) Uric acid
Here are the correct answers:
1–10: Basic Level
1. b) Respiration
2. b) Ingestion
3. b) Amylase
4. b) Gall bladder
5. c) Mucus
6. b) Mouth
7. b) Nephron
8. b) Phloem
9. a) Guard cells
10. c) Carbon dioxide
---
11–20: Moderate Level
11. b) Artery
12. b) Alveoli
13. b) Respiration
14. c) Medulla
15. b) Liver
16. b) Phloem
17. c) Excretion
18. b) Large intestine
19. c) Transpiration
20. d) Right ventricle
---
21–30: Higher Level
21. b) Absence of oxygen
22. b) Pepsin
23. c) Birds and mammals
24. c) Platelets
25. c) Alveoli
26. d) Vitamin D
27. c) Transpiration
28. b) Urochrome
29. c) Glomerulus
30. c) Urinary bladder
---
31–40: Application Level
31. b) Villi
32. c) Root hairs
33. b) Vein
34. c) Transport oxygen
35. a) Glycolysis
36. b) Pancreas
37. b) Water and minerals
38. b) Transpiration
39. b) Left atrium
40. b) Carbon dioxide
---
Here are the correct answers:
1–10: Basic Level
1. b) Respiration
2. b) Ingestion
3. b) Amylase
4. b) Gall bladder
5. c) Mucus
6. b) Mouth
7. b) Nephron
8. b) Phloem
9. a) Guard cells
10. c) Carbon dioxide
---
11–20: Moderate Level
11. b) Artery
12. b) Alveoli
13. b) Respiration
14. c) Medulla
15. b) Liver
16. b) Phloem
17. c) Excretion
18. b) Large intestine
19. c) Transpiration
20. d) Right ventricle
---
21–30: Higher Level
21. b) Absence of oxygen
22. b) Pepsin
23. c) Birds and mammals
24. c) Platelets
25. c) Alveoli
26. d) Vitamin D
27. c) Transpiration
28. b) Urochrome
29. c) Glomerulus
30. c) Urinary bladder
---
31–40: Application Level
31. b) Villi
32. c) Root hairs
33. b) Vein
34. c) Transport oxygen
35. a) Glycolysis
36. b) Pancreas
37. b) Water and minerals
38. b) Transpiration
39. b) Left atrium
40. b) Carbon dioxide
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If you want, I can convert this into a printable answer key sheet or OMR format for your class.