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प्रश्न
Which of the following is an autotroph?
Green plant or Man?
उत्तर
Green plant is an autotroph as it can prepare its own food.
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संबंधित प्रश्न
How would you test the presence of starch in leaves?
Give a brief description of the process of synthesis of food in green plants.
Name the pigment which can absorb solar energy.
Organisms that can prepare their own food.
Name the raw materials required for photosynthesis. How do plants obtain these raw materials?
What are the various conditions necessary for photosynthesis?
When carrying out the starch test on a leaf, why is it important to boil the leaf in alcohol?
(a) to dissolve the waxy cuticle
(b) to make the cells more permeable to iodine solution
(c) to remove the chlorophyll
(d) to stop chemical reactions in the cells.
The oxygen liberated during photosynthesis by green plants comes from:
(a) glucose
(b) water
(c) carbon dioxide
(d) chlorophyll
Explain why, plants have low energy needs as compared to animals.
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
Which of the following statements shows the correct results of Iodine Test performed on the leaf from plant X and Y respectively?