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प्रश्न
Name the following:
The uptake of mineral ions against concentration gradient.
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उत्तर
Active absorption
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संबंधित प्रश्न
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:

Define the above named process.
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:

what would you observe in the experimental set-up after an hour or so?
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:

what control experiment can be set up for comparison?
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:

Keeping in mind the root- hair, cell and its surroundings, name the parts that correspond to
(1) concentrated sugar solution
(2) parchment paper and
(3) water in the beaker.
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:

Name any other substance that can be used instead of parchment paper in the above experiment.
Name the following:
The membrane which allows water molecules to pass through, but not sugar molecules.
Fill in the Blank
______ serves as a medium for the transport of inorganic salts and food molecules in the plant.
Very short answer question.
What is osmotic pressure?
Define the term:
Wall pressure
Cell wall is _______.
