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प्रश्न
Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
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उत्तर
| Autotrophic nutrition | Heterotrophic nutrition |
| 1. It is the mode of nutrition in which organisms produce their own organic food. | It is the mode of nutrition in which organisms depend on other organisms for their food. |
| 2. Organisms producing their own food are known as autotrophs. | Organisms depending on others for food are known as heterotrophs. |
| 3. Autotrophs use simple inorganic substances present in the surroundings to produce food. | Heterotrophs depend on other organisms to get their food. |
| E.g. Plants | E.g. Fungi |
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संबंधित प्रश्न
The autotrophic mode of nutrition requires ______.
Give a brief description of the process of synthesis of food in green plants.
Which part of the plant takes in carbon dioxide from the air for photosynthesis?
List the steps of preparation of temporary mount of a leaf peel to observe stomata.
Which of the following is an autotroph?
Green plant or Man?
Which substance is used to remove chlorophyll from a green leaf during photosynthesis experiments?
Where is chlorophyll mainly present in a plant?
Why do plants need nitrogen? How do plants obtain nitrogen?
Organisms that can prepare their own food.
The cell organelle where photosynthesis occurs.
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reason for your answer.
Write a chemical equation to show the process of photosynthesis in plants.
Name the various factors which affect the rate of photosynthesis in plants.
The oxygen liberated during photosynthesis by green plants comes from:
(a) glucose
(b) water
(c) carbon dioxide
(d) chlorophyll
The opening and closing of the stomatal pores depends upon:
(a) oxygen
(b) water in guard cells
(c) temperature
(d) concentration of CO2 in stomata
Most of the plants absorb nitrogen in one of the following forms. This is:
(a) proteins
(b) nitrates and nitrites
(c) urea
(d) atmospheric nitrogen
Name a gas produced in photosynthesis.
Why is plant food not produced in any other parts of the plant except the green ones?
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?
Differentiate between an autotroph and a heterotroph.
