Question
In freshwater, the body fluid of fishes is:-Â
Solution
The body fluids of fish that live in fresh water have a higher concentration of dissolved substances than the water in which they swim. In other words the body fluids of fresh water fish are hypertonic to the water.
Which one of the following is an animal-origin insecticide?
Application of manures and fertilizers to the established rice-crop within crop duration is :
Which of the following is not the characteristic feature of class Insecta?Â
What plant hormone is responsible for preventing premature fruit drop in certain fruit trees like apple and cherry?
The grape variety "Sonaka" used for which purpose?
Which of the following is not matched correctly?Â
The C:N ratio of cultivated soil varies:
Which of the following species of Rhizobium bacteria is responsible for nodule formation in Soyabean?Â
Which of the following erosion is the removal of soil by running water with the formation of an areas of small branching channels. It can be removed by ...
Which of the following is the advantage of zero tillage?
