Reverse osmosis is 4. osmosis in the following
aspects
I. Pressure to be applied
II. Energy needed
III. Water flows from higher gradient to lower gradient
IV. Semi permeable membrane is essential
Of these

A student of a class IX has been provided with the following equipment and materials
Rubber tube, clips, one holed rubber stopper, y- shaped glass tube, balloons, rubber sheet, wide mouthed glass bottle and twine. By making use of the above, the student can prepare a working model of

A project is abit of real life that has been imparted into the School. This is the definition of

Which of the following statements is not true with meristematic tissue?

In the process of plant micro propagation, the technician in the laboratory forgot to add cytokinins to the culture medium. After somedays he observed

Albinos are

After learning the lesion Classification of Planets the students is able to classify the given planets basing on their morphological characters. thus the teacher achieved which of the following objectives?

Which one of the following is not the first step in development of lesson plan?

The number of oxides that are possible with nitrogen is

The difference between quicklime and slaked lime is