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Mineral salts are translocated through (i) along with the  (ii) stream of water, which is pulled up through the plant by transpirational pull.
Fill up the blanks in the given statement and select the correct option.
  (i) (ii)
(a) xylem ascending
(b) xylem descending
(c) phloem ascending
(d) phloem descending

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Important Questions on Mineral Nutrition

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?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What is the direction of movement of sugars in phloem?
EASY
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?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
The rupture and fractionation do not usually occur in the water column in vessels/tracheids during the ascent of sap because of
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
During ionic flux, uptake of ions into inner space is
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What do you mean by absorption of ions ?
EASY
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?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which is the correct option for transport or conduction of substances?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Mineral nutrients absorbed by roots move to leaves through
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What is ion exchange theory?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What is Donnan membrane equilibrium?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Assertion : The movement of photosynthates is unidirectional.

Reason : Movement of photosynthates occurs with the water.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

The energy of metabolism, used in the uptake of ions, is determined by:

MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which among the following sentences are incorrect?
(a) Maximum mineral absorption through zone of elongation.
(b) Initial uptake of minerals is slow, into the symplast.
(c) Uptake in inner space is rapid.
EASY
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___
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Differentiate between passive and active salt absorption.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which of the following scientist proposed cytochrome pump theory of mineral uptake in plant?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Which of the following scientist proposed protein-lecithin theory?
MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Write about the active absorption of ions.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Cotyledons are also called-