Improvement in Food Resources — Science STD 9 — Question

Work done by the gravitational force on a body of mass m moving on a smooth horizontal surface through a distance s is: (Given acceleration due to gravity =g):

The force acting on an object are balanced, then the object:

The cell organelle found in prokaryotes as well as eukaryotes is

Vegetables and fruits are good sources of:

The relative densities of four liquids P, Q, R and S are 1.26, 1.0, 0.84 and 13.6 respectively. An object is floated in all these liquids, one by one. In which liquid the object will float with its maximum volume submerged under the liquid?

A positively charged ion is called :

A water tanker filled up to two-thirds of its tank with water is running with a uniform speed. When the brakes are suddenly applied, the water in its tank would:

Kinetic energy of a body depends on its:

Which of the following in natural insecticides?

Which of the following is a membrane enclosed organelle found in eukaryotic cells containing most of the cells genetic material?