Question

Class -X
Subject -Biology
(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 presend
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 ki
them. What is the type of nutrition known as?
6. What will happen to a plant if its xylem is removed?
​

Answer 1

3 = the enzyme present in saliva is salivary amaylase it's work is to break down carbohydrates or starch

6= if xylem is removed water will not transfer from roots to plants and plants will not be able to perform photosynthesis