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प्रश्न
During photosynthesis, the oxygen in glucose comes from
पर्याय
CO2
water
both CO2 and water
oxygen via air
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उत्तर
CO2
संबंधित प्रश्न
Give biological reasons for the following statements : In some xerophytes leaves are modified into spines
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
Name the following:
The cell organelle responsible for photosynthesis.
The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis.
Study the same and then answer the questions that follow:
(i) Name the factor being studied in his experiment.
(ii) Why was the plant kept in a dark room before conducting the experiment?
(iii}Why was the experimental leaf then kept in
1. boiling water 2. methylated spirit?
(iv) Name the solution used to test for the presence of starch in the leaf.
(v) What will we observe in the experimental leaf at the end of the starch test?
(vi) Give a balanced chemical equation to represent the process of photosynthesis.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Algae are autotrophs.
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
Complete the following food chain by writing the names of appropriate organisms in the blanks:
__________ → Mouse → _________ → Peaock
Respiration is said to be the reversal of photosynthesis.
Distinguish between the following pairs on the basis of the word indicated in the bracket ( ).
Producers and Consumers (organisms)
