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
Which of the following zone lies from 200-1000 meters deep and only blue light is seen here?Â
The pest which attack both in field and storage of pulses is:
In which breed of cattle do the horns exhibit a distinct 'half-moon' appearance, and their skin displays white with dark red or chocolate-brown patches,...
Which plant exhibits modified papery calyx enclosing the fruit loosely with entrapped air for seed dispersal ?
Which one of the following is an animal-origin insecticide?
Indian Head Patents Office is located inÂ
Ergot is an important disease of:
Foragial types of legs are found in _____ insect.Â
Lichens, the pioneer organisms that initiate ecological succession are actually a symbiotic association of
Powdery mildew is a common fungal disease that affects which part of the plant?
Relevant for Exams:
