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प्रश्न
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
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उत्तर
(a) Photosynthesis, a potted plant is placed in dark for 48 hours to (b) destarch the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) carbon dioxide from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) colourless, whereas the part of the left outside turns (e) blue-black in colour.
संबंधित प्रश्न
State the main functions of the following:
Cytokinins
Describe an experiment to prove that sunlight is necessary for photosynthesis.
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
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.
Are the following statement true or false? Give a reason in support of your answer.
Photosynthesis is considered as a process supporting all life on earth.
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
Complete the following sentence with appropriate word:
AIIP stands for ____________.
Autotrophs use _____,______ and chlorophyll to prepare their own food.
Planting trees help in decreasing global warming.
Distinguish between the following pairs on the basis of the word indicated in the bracket ( ).
Producers and Consumers (organisms)
