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Any mineral ion concentration that reduces that dry wt. of tissues by 10% is called as ___________
The process under which nitrogen and hydrogen combine to form ammonia under high temperature and pressure conditions is called as _________
The form of nitrogen absorbed by plants is _________
Statement A: Nodule formation involves a direct interaction between Rhizobium and leaves of host plant. Statement B: The differentiation of cortical and pericycle cells lead to nodule formation.
Which organism is capable of carrying out denitrification?
Which is the first stable product of nitrogen fixation?
Which of the following is not a pool for nitrogen cycle?
What is the direction of food in the phloem?
What is understood by the term sink in the plants?
Which of the following carbohydrates acts as food for the plants?
How do most of the nitrogen travels in the plants?
Which of the following element is not remobilised?
Generally, from which of the following parts of the plants, the minerals are remobilised?
Where does the unloading of mineral ions occur in the plants?
Which of the following is not a chief sink for the mineral elements?
After active or passive absorption of all the mineral elements, how are minerals further transported?
What are transport proteins?
How do most minerals enter the root?
Why can’t all minerals be passively absorbed through the roots?
Where do plants obtain most of their carbon and oxygen?
Which of the following roles is not a criterion for essentiality of an element?
Hydroponics was demonstrated by?
Nitrogen is not taken up by plants in _______ form.
Which of the following macronutrients is used in fertilizers?
Which of the following elements is a macronutrient?
Which of the following elements is an essential element?
Which of the following plants is not grown by hydroponics?
Which of the following elements are required in less than 10 mmole Kg-1?
Which of the element is beneficial but not essential?
Which of the following element’s deficiency leads to rosette growth of plant?
Which of the following element’s deficiency leads to Exanthema in Citrus?
Which of the following micronutrients is used in metabolism of urea?
Which of the following element activates enzyme catalase?
Which of the following vitamins contain Sulphur?
Which of the following elements will not cause delay flowering due to its less concentration?
Which of the following is not a function of chlorine?
Statement A: The outward movement is influx. Statement B: The inward movement is efflux.
Statement A: The process of absorption of minerals is divided into 2 phases. Statement B: One phase of absorption is passive while the other is active.
Minerals are transported through _________ along the _________ stream of water.
Which of the following is not a function of soil?
Which of the following statements if wrong about manganese toxicity?
താഴെ പറയുന്നവയിൽ മെച്ചപ്പെട്ട ഇനം പച്ചമുളകാണ്
Which is the most accepted mechanism for the translocation of sugars from source to sink?
Which condition develops during the process of loading at the phloem tissue?
Who gave the mechanism of pressure flow hypothesis?
Define exudation.
Sucrose is translocated through phloem can be demonstrated by ________
The phloem sap consists of _________
Statement A: Most minerals enter the epidermal cells passively. Statement B: Uptake of water is by the process of diffusion.
The control points or transport proteins are present in _______