5A1_Science_Midterm Test
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Câu 1. Which nutrient is broken down into simple sugars called glucose during digestion?
- A. Protein
- B. Fat
- C. Carbohydrate
- D. Vitamin
Câu 2. What color does iodine solution turn when added to food containing starch?
- A. Red
- B. Yellow
- C. Black
- D. Green
Câu 3. Which organ mixes food with gastric juices containing acid and enzymes to digest protein?
- A. Mouth
- B. Stomach
- C. Small intestine
- D. Large intestine
Câu 4. Which mineral is essential for building strong bones and teeth?
- A. Iron
- B. Salt
- C. Calcium
- D. Iodine
Câu 5. Which substances are needed by the body in tiny amounts but cannot be made by the body itself?
- A. Carbohydrates
- B. Fats
- C. Proteins
- D. Vitamins
Câu 6. Mark True or False for each statementa) The human alimentary canal is about 7 metres long.
- A. Đúng
- B. Sai
Câu 7. Mark True or False for each statementb) Digested food nutrients are absorbed into the blood inside the stomach.
- A. Đúng
- B. Sai
Câu 8. Mark True or False for each statementa) Fibre provides rich nutrition and energy for human cells.
- A. Đúng
- B. Sai
Câu 9. Mark True or False for each statementb) Fatty foods leave a greasy mark on paper that water does not wash off.
- A. Đúng
- B. Sai
Câu 10. Mark True or False for each statementa) Animals are called producers because they hunt and obtain their own food.
- A. Đúng
- B. Sai
Câu 11. Mark True or False for each statementb) Most energy passing along a food chain is lost as heat to the surroundings.
- A. Đúng
- B. Sai
Câu 12. Which gas is released into the air by green plants during photosynthesis?
- A. Carbon dioxide
- B. Oxygen
- C. Nitrogen
- D. Hydrogen
Câu 13. Which of the following organisms acts as a decomposer in a forest ecosystem?
- A. Caterpillar
- B. Fungi
- C. Eagle
- D. Green leaf
Câu 14. Which food group yields the highest amount of energy per 100 grams (approx. 900 Calories)?
- A. Starchy foods
- B. Proteins
- C. Fats and oils
- D. Fresh fruits
Câu 15. What is the scientific term for the process of feeding the body with nutrients?
- A. Digestion
- B. Absorption
- C. Nutrition
- D. Respiration
Câu 16. Fill in the blanks of the passage. Choose the best word for blank (1).Food is broken down as it travels along the alimentary canal. In the mouth, food is mixed with saliva containing an enzyme that turns (1) ______ into sugar. In the stomach, (2) ______ kills bacteria and helps enzymes digest protein. Digestion is completed in the small intestine, where nutrients pass into the (3) ______. The large intestine absorbs (4) ______ and minerals from undigested waste. The remaining waste leaves the body through the (5) ______.
- A. starch
- B. protein
- C. fat
- D. fibre
Câu 17. Fill in the blanks of the passage. Choose the best word for blank (2).Food is broken down as it travels along the alimentary canal. In the mouth, food is mixed with saliva containing an enzyme that turns (1) ______ into sugar. In the stomach, (2) ______ kills bacteria and helps enzymes digest protein. Digestion is completed in the small intestine, where nutrients pass into the (3) ______. The large intestine absorbs (4) ______ and minerals from undigested waste. The remaining waste leaves the body through the (5) ______.
- A. saliva
- B. acid
- C. water
- D. oxygen
Câu 18. Fill in the blanks of the passage. Choose the best word for blank (3).Food is broken down as it travels along the alimentary canal. In the mouth, food is mixed with saliva containing an enzyme that turns (1) ______ into sugar. In the stomach, (2) ______ kills bacteria and helps enzymes digest protein. Digestion is completed in the small intestine, where nutrients pass into the (3) ______. The large intestine absorbs (4) ______ and minerals from undigested waste. The remaining waste leaves the body through the (5) ______.
- A. gullet
- B. rectum
- C. blood
- D. stomach
Câu 19. Fill in the blanks of the passage. Choose the best word for blank (4).Food is broken down as it travels along the alimentary canal. In the mouth, food is mixed with saliva containing an enzyme that turns (1) ______ into sugar. In the stomach, (2) ______ kills bacteria and helps enzymes digest protein. Digestion is completed in the small intestine, where nutrients pass into the (3) ______. The large intestine absorbs (4) ______ and minerals from undigested waste. The remaining waste leaves the body through the (5) ______.
- A. vitamins
- B. glucose
- C. water
- D. protein
Câu 20. Fill in the blanks of the passage. Choose the best word for blank (5).Food is broken down as it travels along the alimentary canal. In the mouth, food is mixed with saliva containing an enzyme that turns (1) ______ into sugar. In the stomach, (2) ______ kills bacteria and helps enzymes digest protein. Digestion is completed in the small intestine, where nutrients pass into the (3) ______. The large intestine absorbs (4) ______ and minerals from undigested waste. The remaining waste leaves the body through the (5) ______.
- A. mouth
- B. gullet
- C. anus
- D. stomach
