Force and Laws of Motion — Science STD 9 — Question

Acceleration due to gravity (due to the shell) at any point inside the shell is:

A car is accelerated on a leveled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car:

A branch of biology which deals with the identification, nomenclature and classification of organisms is called:

1. Morphology.
2. Ecology.
3. Taxonomy.
4. Phytogeography.

Number of valence electrons present in N^3- ion is:

A car accelerates uniformly from 18km/h to 36km/ h in 5s. The distance covered by the car will be:

When both crops and livestock are raised on the same farm, it is known as:

Who first discovered nucleus in cell in 1831?

Compounds formed by metals and non-metals contain charged species which are known as:

A liquid is found to scatter a beam of light but leaves no residue when passed through the filter paper. The liquid can be described as:

The most abundant compound in cytoplasm is: