Does the charge given to a metallic sphere depend on whether it is hollow or solid ? Give reason for your answer.

State whether the Roman number CXVVI is valid or not? Give reasons for your answer.

Can a triangle have two obtuse angles ? Give reason for your answer.

Name the wave used in sonar. Give reason to your answer.

How does the resistance of a wire depend on its length ? Give a reason for your answer.

Which cools faster, Land or Water? Give a reason for your answer.

Can all the angles of a quadrilateral be right angles ? Give reason for your answer.

Can all the angles of a quadrilateral be acute angles ? Give reason for your answer.

Study the diagram given below and answer the questions that follow: Is the given structure albuminous or non albuminous ? Give reason for your answer.

What is the difference between a collection and a set? Give reasons to support your answer?

The diagram given below represents a stage during cell division Study the same and answer the questions that follow : Identify whether it is a plant cell or an animal cell। Give a reason in support of your answer.