Question
Given below are two statements: one is labelled as
Assertion A and the other is labelled as Reason R. Assertion A: The colloidal surfaces of humus are negatively charged. Reason R: The negative charges arise from exposed functional groups like hydroxyl, carboxylic or phenolic. In the light of the above statements, choose the most appropriate answer from the options given below:Solution
Both the assertion and reason are correct.
Bael is rich source of:
Which one of the following is the correct formula to compute the ginning percentage in cotton?
Which of the given is not a straight fertilizer?
What is the name for the multicellular structures formed by bacterial layers encased in an exopolymeric matrix on root surfaces?
Which is the capital of Uttarakhand?
Maximum moisture content for safe storage in wheat seed is:
In the G1 phase of cell cycle, each chromosome has chromatid(s).
The soils of very cold climates which are defined as containing permafrost within two meters of the soil surface belongs to the order
Which process is essential for removing impurities and debris from cotton?
Virus that infect plants mostly have genetic material in the form of
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