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.Â
The important biological control insect for Parthenium hysterophorus in India is
When the Area with nutrient index value is> 2.3, then the nutrient index value is
Which of the following is NOT the major district contributing more than 86 percentage of state's cotton production?
Trichogramma is
Which part of sugarcane is preferred for sowing?
Amount of water in 5 ha cm will be
What is the share of apeda in total agri export in 2020-21?
Which among the following propagation method is used in droopy/viney?
Heterosis results from the masking of harmful effects of recessive alleles by their dominant alleles
Which of the following crop the Seed Multiplication Ratio (SMR) is low?