Which of the following is best suited as catch

Which of the following acids is present in an ant’s string?

Which disease is caused by the  Mycobacterium leprae bacteria ?

What happens to the gravitational force between two objects if the distance between them is doubled ?

The oldest type of energy known to man is –

The ozone hole that has been detected lies in the atmosphere above –

Which part of the human digestive system is responsible for nutrient absorption?

Heat from the sun reaches earth by the process of –

A body is thrown vertically upwards and then falls back on the ground. Its potential energy is maximum:

Tear gas used by the police to disperse the mob contains –