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How does the Donnan membrane equilibrium work?

Important Questions on Mineral Nutrition

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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What is the direction of movement of sugars in phloem?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results indicate that it is phloem sap?
MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
To overcome the abnormality of reduction in fruit production and transfer of carbohydrates, which nutrients should be mixed in soil?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
 Majority of the nutrients that are essential for the plant growth are present in the soil.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
"Mineral ions are frequently remobilized" is applicable for
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
With reference to absorption of minerals, the term 'outer space' represents____ while 'inner space' represents___
HARD
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Find odd one out w.r.t. theories of active mineral absorption
MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which of the following role is played by the soil?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

Crop rotation is used by farmers to increase

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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which of the following statements will not hold true if a plant is grown in only sand (S), only clay (C) and only humus (H)?
MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
According to carbonic acid exchange theory of mineral salt absorption by roots, which of the following is incorrect?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
How does the soil help in the growth and development of plants? Explain by giving an example and also mention any five functions of soil.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Most of the minerals required by plants are absorbed by the root cells by which of the process?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What is the role of soil in the plant nutrition process?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
According to Munch theory, the cause of flow of soluble substances is
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Differentiate between passive and active salt absorption.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Mineral absorption is :
HARD
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which of the following statements about mineral absorption in plants is correct?
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Cotyledons are also called-