Question

(Chapter 1 - Life Processes)
1. Name a common nutrient that is absorbed in the small intestine and reabsorbed by the
kidney tubules.
2. What is respiration? Show how food is broken down into its constituents in the presence of
oxygen.
3. Which enzyme is present in saliva and what is its function?
4. Which raw material is primarily responsible for the release of molecular oxygen in
photosynthesis?
5. Name some plants and animals that get their nutrition from other organisms without killing
them. What is the type of nutrition known as?
6. What will happen to a plant if its xylem is removed?
7. a) Name all the digestive enzymes present in our digestive system.
b) Explain the process of digestion of carbohydrates, fats and proteins.
8. a)Draw a sectional view of the human heart and label on it:
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Answer 1

1.Glucose is a common nutrient that is absorbed in the small intestine and reabsorbed by the kidney tubules

Answer 2

1.

Glucose

Glucose is a common nutrient that is absorbed in the small intestine and reabsorbed by the kidney tubule.