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1100 Additional Questions And Answers
Life Processes
Class 10 Biology
1. What is the process of digestion?
Answer: Digestion is the process by which food is broken down into simpler forms that
can be absorbed by the body.
2. Name the enzyme responsible for the breakdown of proteins.
Answer: The enzyme responsible for the breakdown of proteins is called pepsin.
3. What is the function of the respiratory system?
Answer: The respiratory system is responsible for the exchange of gases (oxygen and
carbon dioxide) between the body and the environment.
4. What is the role of the diaphragm in respiration?
Answer: The diaphragm is a muscle that helps in the process of inhalation and exhalation
by expanding and contracting the chest cavity.
5. Define osmosis.
Answer: Osmosis is the movement of water molecules from an area of higher water
concentration to an area of lower water concentration through a semi-permeable
membrane.
6. What is the function of the red blood cells?
Answer: Red blood cells are responsible for carrying oxygen from the lungs to the body
tissues.
7. What is the function of the white blood cells?
Answer: White blood cells are responsible for defending the body against infection and
foreign substances.
8. Name the process by which plants release excess water vapor into the atmosphere.
Answer: The process by which plants release excess water vapor into the atmosphere is
called transpiration.
9. What is the role of the small intestine in digestion?
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