Concept explainers
Introduction:
There are certain life processes that define the living nature of an organism. The basic life processes are,
Answer to Problem 32A
Correct option:
Option (B), photosynthesis and respiration.
Explanation of Solution
Explanation/justification for the correct answer:
Option (B) is respiration and photosynthesis. Both respiration and photosynthesis are life processes. Respiration occurs in all living beings, while photosynthesis occurs in green plants. In respiration, glucose is converted into carbon dioxide and water. While in photosynthesis, water and carbon dioxide are combined to form glucose in the presence of sunlight. Hence, this option is correct.
Explanation for incorrect answer:
Option (A) is coal formation and photosynthesis. Coal formation is an inorganic reaction that involves carbon dioxide and oxygen. While, photosynthesis is a life process involved in green plants. Hence, this option is incorrect.
Option (C) is fuel combustion and open burning. Fuel combustion and open burning, both are inorganic processes and do not occur in the living beings. Hence, this option is incorrect.
Option (D) is death and decay. Death and decay are not life processes. Hence, this option is incorrect.
Option (B), photosynthesis and respiration is the correct answer.
Chapter 2 Solutions
Biology Illinois Edition (Glencoe Science)
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