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प्रश्न
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
उत्तर
Photosynthesis is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
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संबंधित प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
What will you observe in the experimental leaf after the starch test?
State the main functions of the following:
Medulla Oblongata
Define the following:
Plant pigments
Name the following:
The products that are formed as a result of photosynthesis.
Name the following:
Three organisms that cannot prepare their own food by photosynthesis.
How does carbon dioxide return to the atmosphere? Explain.
A student in order to study the importance of certain factors of photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning the student covered one of the leaves with black paper in the centre only. Student placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
(i) What aspect of photosynthesis was being investigated?
(ii) Is there any control in this experiment? If so, state the name.
(iii) Why was the plant kept in the dark before the experiment?
(iv) Describe step by step how the candidate proceeded to test the leaf for the presence of starch.
Choose the correct answer:
Which of the following gas is used in photosynthesis?
The number of water molecules required in the chemical reactions to produce one molecule of glucose during photosynthesis is
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Explain the term Phosphorylation.
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
Choose the Odd One Out
Fill in the blank by rearranging the letter in the bracket.
During photosynthesis plants releases _________ (egxyno).
The chemical reaction occurs during photosynthesis is ______.
Why should the light-dependent reaction occur before the light-independent reaction?
The role of chlorophyll is to absorb light from the sun.
A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to ______.
