Movement of H₂O through cell wall is called
Movement of H₂O through cell wall is called Options (a) apoplast (b) symplast (c) tonoplast (d) none of these Correct…
7 years ago
Transport and Nutrition in Plants
Opening and closing of stomata are under the control of
Opening and closing of stomata are under the control of Options (a) K⁺ (b) P (c) Mg (d) None of…
7 years ago
Mottled chlorosis on the leaves occur due to the deficiency of
Mottled chlorosis on the leaves occur due to the deficiency of Options (a) nitrogen (b) phosphorus (c) potassium (d) sulplur…
7 years ago
In nodulous plant leghaemoglobin helps in
In nodulous plant leghaemoglobin helps in Options (a) nitrates (b) magnesium (c) sulphur (d) iron Correct Answer: nitratesExplanation:No explanation available.…
7 years ago
A cell may increase in volume if the external medium is
A cell may increase in volume if the external medium is Options (a) hypotonic (b) hypertonic (c) isotonic (d) none…
7 years ago
The real force responsible for the movement of water from one cell to another cell
The real force responsible for the movement of water from one cell to another cell is mainly through Options (a)…
7 years ago
Loss of water from the tips of leaves is called
Loss of water from the tips of leaves is called Options (a) guttation (b) transpiration (c) respiration (d) bleeding Correct…
7 years ago
The first stable product of fixation of atmospheric nitrogen in leguminous plants is:
The first stable product of fixation of atmospheric nitrogen in leguminous plants is: Options (a) Ammonia (b) NO₃⁻ (c) Glutamate…
7 years ago
Which one of the following elements is not an essential micronutrient for plant growth?
Which one of the following elements is not an essential micro-nutrient for plant growth? Options (a) Zn (b) Cu (c)…
7 years ago