EASY
4th CBSE
IMPORTANT
Earn 100

How do plants obtain these raw materials required for photosynthesis?
Sunlight

Important Questions on The Food Factory

MEDIUM
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>Assessment Zone>Q D
How are plants and animals interdependent on each other?
EASY
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>Assessment Zone>Q D
How would you explain with the help of an experiment that sunlight is required for photosynthesis?
EASY
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>Assessment Zone>Q D

Give reasons for the following:
The leaf is boiled in spirit to show that it contains chlorophyll.

EASY
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>Assessment Zone>Q D
Give reasons for the following:
The leaf is covered with Vaseline during the experiment to show that carbon dioxide is necessary for photosynthesis.
MEDIUM
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>Assessment Zone>Q F
Label the parts of the leaf shown in the picture.
MEDIUM
4th CBSE
IMPORTANT
Revised Longman Active Science.>Chapter 2 - The Food Factory>HOTS and PSA Zone
What will happen if the number of plants or animals increase in nature?