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प्रश्न
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
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उत्तर
Photosynthesis is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
संबंधित प्रश्न
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?
Name the following:
Three organisms that cannot prepare their own food by photosynthesis.
Choose the correct answer:
In a typical leaf, photosynthesis occurs mainly in ___________
Complete the following food chains by writing the names of appropriate organisms in the blanks:
______ → Mouse ______ → Peacock
Complete the following food chain by writing the names of appropriate organisms in the blanks:
→ __________ → __________ → Hen → Man
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Give technical term:
The main reaction which means the breaking up of water molecules through light.
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
State whether true or false. If false, correct the statement.
Plants lose water when the stomata on leaves are closed.
Only green plants have the unique capacity to release ______ into the atmosphere.
