Biology MCQs for MDCAT and other tests
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NUTRITION:
1: Chlorosis in plants is caused by a lack of __________________
A: Oxygen
B: Iron
C: Nitrogen
D: Calcium
see answer
B: Iron
2. The exception is: All of these are micronutrients in plants.
A: Hydrogen
B: Chlorine
C: Iron
D: Copper
see answer
A: Hydrogen
3: Plants use……….to synthesise proteins.
A: Oxygen
B: Vitamins
C: Carbon dioxide
D: Nitrates
see answer
D: Nitrates
4: What occurs to food once it is within the stomach?
A: No digestion occurs in the stomach.
B: The food moves quickly into the small intestine.
C: Juices mix with the food and stomach muscles squeeze lt.
D: The food is completely digested and is absorbed into the circulatory system.
see answer
C: Juices mix with the food and stomach muscles squeeze lt.
5:………….doesn’t create digestive juices.
A: Esophaguss
B: Stomach
C: intestine
D: Pancreas
see answer
A: Esophagus
6: The big intestine is where______________is absorbed:
A: Water
B: Vitamins
C: Salts
D: All of these
see answer
D: All of these
7. Saliva fails to:
A: Start digestion of proteins
B: Secrete saliva
C: Help in the lubrication
D: Make taste possible
see answer
A: Start digestion of proteins
8: The cardiac sphincter is the name of the valve between:
A: Stomach and duodenum
B: Esophagus and stomach
C: Duodenum and ileum
D: Jejunum and caecum
see answer
B: Esophagus and stomach
9. Liver functions include:
A: Metabolism of carbohydrates, lipids, and proteins
B: Breakdown of mature red blood cells.
C: Detoxification of the chemicals
D: All of the above
see answer
D: All of the above
10: The following foods are digested by pepsin:
A: Carbohydrates
B: Proteins
C: Vitamins
D: Fats
see answer
D: Fats
11. The true answer to the problem is explained.
A. Observations
B. Hypothesis
C. Data
D. Conclusion
see answer
D. Conclusion
12: Humans contract plasmodium via
A. Anopheles
B. Culex
C. Aedes
D. All of these
see answer
A. Anopheles
13. Who was the first to discover plasmodium in the blood of a malaria patient?
A. Ronald Ross
B. Laveran
C. A. F.A. king
D. Mendel
see answer
B. Laveran