STD 10 – SCIENCE (GSEB)
CHAPTER 5: LIFE PROCESSES
100 MARK OBJECTIVE TEST (100 QUESTIONS × 1 MARK)
SECTION A – MCQs
1. The basic requirement for all living organisms is: a) Food b) Air c) Water d) All
2. Breakdown of complex food is: a) Respiration b) Nutrition c) Digestion d) Excretion
3. Enzyme in saliva: a) Amylase b) Pepsin c) Lipase d) Trypsin
4. Peristalsis occurs in: a) Stomach b) Intestine c) Alimentary canal d) Liver
5. Bile is stored in: a) Liver b) Gall bladder c) Pancreas d) Stomach
6. Nutrient absorption occurs in: a) Large intestine b) Small intestine c) Stomach d) Rectum
7. Gas exchange occurs in: a) Trachea b) Bronchi c) Alveoli d) Nose
8. Arteries carry blood: a) To heart b) Away from heart c) To lungs d) None
9. Largest vein: a) Aorta b) Pulmonary vein c) Vena cava d) Hepatic vein
10. Filtration unit of kidney: a) Nephron b) Neuron c) Alveoli d) Glomerulus
SECTION B – Fill in the blanks
11. Taking in food is called ______.
12. ______ is the site of complete digestion.
13. Bile helps in digestion of ______.
14. Gas exchange in plants occurs through ______.
15. The excretory unit of kidney is ______.
SECTION C – True/False
16. Arteries have thick walls.
17. Veins carry blood away from heart.
18. Photosynthesis happens in mitochondria.
19. Pepsin digests proteins.
20. Transpiration cools the plant.
SECTION D – Match the following
21. Saliva – Amylase
22. Stomach – Protein digestion
23. Small intestine – Absorption
24. Alveoli – Gas exchange
25. Kidney – Excretion
SECTION E – One word
26. Green pigment in plants – ______
27. Organ that pumps blood – ______
28. Removal of wastes in plants – ______
29. Type of nutrition in humans – ______
30. Organ storing urine – ______
SECTION F – Identify organ
31. Produces bile – ______
32. Absorbs most water – ______
33. Contains villi – ______
34. Exchanges CO2 – ______
35. Filters blood – ______
SECTION G – MCQ
36. Respiration: a) Breakdown of glucose b) Build glucose c) Transport d) Excretion
37. Photosynthesis needs: a) O2 b) CO2 c) N2 d) H2
38. Xylem transports: a) Food b) Water c) Hormones d) O2
39. Phloem transports: a) Food b) Water c) CO2 d) Minerals
40. Heartbeat controlled by: a) Brain b) SA node c) Kidney d) Liver
CHAPTER 5: LIFE PROCESSES
100 MARK OBJECTIVE TEST (100 QUESTIONS × 1 MARK)
SECTION A – MCQs
1. The basic requirement for all living organisms is: a) Food b) Air c) Water d) All
2. Breakdown of complex food is: a) Respiration b) Nutrition c) Digestion d) Excretion
3. Enzyme in saliva: a) Amylase b) Pepsin c) Lipase d) Trypsin
4. Peristalsis occurs in: a) Stomach b) Intestine c) Alimentary canal d) Liver
5. Bile is stored in: a) Liver b) Gall bladder c) Pancreas d) Stomach
6. Nutrient absorption occurs in: a) Large intestine b) Small intestine c) Stomach d) Rectum
7. Gas exchange occurs in: a) Trachea b) Bronchi c) Alveoli d) Nose
8. Arteries carry blood: a) To heart b) Away from heart c) To lungs d) None
9. Largest vein: a) Aorta b) Pulmonary vein c) Vena cava d) Hepatic vein
10. Filtration unit of kidney: a) Nephron b) Neuron c) Alveoli d) Glomerulus
SECTION B – Fill in the blanks
11. Taking in food is called ______.
12. ______ is the site of complete digestion.
13. Bile helps in digestion of ______.
14. Gas exchange in plants occurs through ______.
15. The excretory unit of kidney is ______.
SECTION C – True/False
16. Arteries have thick walls.
17. Veins carry blood away from heart.
18. Photosynthesis happens in mitochondria.
19. Pepsin digests proteins.
20. Transpiration cools the plant.
SECTION D – Match the following
21. Saliva – Amylase
22. Stomach – Protein digestion
23. Small intestine – Absorption
24. Alveoli – Gas exchange
25. Kidney – Excretion
SECTION E – One word
26. Green pigment in plants – ______
27. Organ that pumps blood – ______
28. Removal of wastes in plants – ______
29. Type of nutrition in humans – ______
30. Organ storing urine – ______
SECTION F – Identify organ
31. Produces bile – ______
32. Absorbs most water – ______
33. Contains villi – ______
34. Exchanges CO2 – ______
35. Filters blood – ______
SECTION G – MCQ
36. Respiration: a) Breakdown of glucose b) Build glucose c) Transport d) Excretion
37. Photosynthesis needs: a) O2 b) CO2 c) N2 d) H2
38. Xylem transports: a) Food b) Water c) Hormones d) O2
39. Phloem transports: a) Food b) Water c) CO2 d) Minerals
40. Heartbeat controlled by: a) Brain b) SA node c) Kidney d) Liver
