Who is known as the "Father of the Indian

Which of the following statements is/are correct?

I. In vertebrates, blood flows twice through the heart in each cycle.

Formation of curd by milk is done by-

Bakelite is a polymer which is used in the manufacturing of buckets and electrical switches. What are the monomers of bakelite?

Which law explains the relationship between force, mass, and acceleration?

A particle is moving in a circular path with constant speed. Which of the following is true?

Which one of the following is not a part of nerves?

What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?

Which of the following gas is used in the preparation of the bleaching powder?

Which of the following solutions will not change the colour of blue litmus paper to red?

 1. Acid solution

2. Base solution