Advertisements
Advertisements
Question
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
Advertisements
Solution
- X is light energy. Y is chemical energy. During photosynthesis, the light energy is converted into chemical energy.
- Green plants are autotrophic in their mode of nutrition because they prepare their food, through a process called photosynthesis by using water, carbon dioxide, chlorophyll and sunlight.
APPEARS IN
RELATED QUESTIONS
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
Define the following:
Quantum
Distinguish between the following:
Photosynthesis and photophosphorylation.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis stops at a temperature above 35°C.
The production of starch, and not glucose, is often used as a measure of photosynthesis in leaves because
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
What aspect of photosynthesis was being investigated?
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The raw materials for photosynthesis include water and CO2.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.
What will happen if we remove plants from the aquarium?
