Gravitation — Science STD 9 — Question

An iron sphere of mass 10kg has the same diameter as an aluminium sphere of mass is 3.5kg. Both spheres are dropped simultaneously from a tower. When they are 10m above the ground, they have the same:

If the tip of sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of:

Genetic material of a eukaryotic cell is contained in:

A vendor sells white powdered salt mixed with white powdered stone.The knowledge of which property will help you detect this malpractice:

Which of the following statement is correct about the atom of and element?

What is the source of centripetal force that a planet requires to revolve around the Sun?

If the particle completes one rotation along a circular track having radius 14m in 44 seconds then the value of speed it’s speed is…

The weight of a boy on the surface of the moon is 300N.The weight of this boy on the surface of the earth is:

When the cell is small, then____________________?

Gundhi bug is a pest of: