Tissues — Science STD 9 — Question

Name the laws involved in the following situation:
a body of mass 5kg can be accelerated more easily by a force than another body of mass 50kg under similar conditions.

Explain the various preventive measures which are taken before storing the food grains.

What is the number of valence electrons in the atoms of an element having atomic number 13? Name the valence shell of this atom.

Which type of connective tissue is present in hump of camel and blubber of whale?

What is the scientific name of particles which make up matter?

Name the following.
Connective tissue with a fluid matrix.

Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop.
Wheat, rice, berseem, maize, gram, oat, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard.