Question

Statement I: Energy is required by every living organism to survive and carry out different activities.

Statement II: Living organisms obtain this energy by nutrition.

Statement III: Nutrition alone is enough to provide the required energy to the organisms.

Which of these statement(s) is/are correct?

• A. I and II
• B. II and III
• C. I and III
• D. I, II and III

Answer 1

Answer: (A)

Statement (I):

1. Most of the biochemical activities performed by the organisms require energy.
   
2. The energy is derived from the breaking down of nutrients and is used for specific biochemical processes.
   

Statement (II):

1. Living organism obtain the energy from the nutrients that are absorbed after digestion.
   
2. As the nutrients are absorbed, it moves to the cells.
   
3. The enzymatic breakdown of the nutrient takes place in the cell to produce energy that is either used or stored for biochemical functions. ​

Statement (III):

1. Nutrient alone is not enough to provide the required energy for the organism.
   
2. Energy required by the body surpasses the energy individuals directly get from the nutrients. ​
3. Respiration also plays an essential role in the process of gaining energy.
   

Final Answer: The correct statements are the statements I and II.