Which of the following sattement is grammatically

What is the function of the red blood cells?

Which among the following are unisexual flowers?

Which device is used to measure atmospheric pressure?

Which of the following two chemical reactions are involved in the corrosion of the iron metal?

Which type of fat is considered the healthiest?

Metalloids are

A fluid is flowing steadily through a horizontal pipe of varying cross-section. According to Bernoulli’s principle, the pressure is:

A day is considered a rainy day when it receives a rainfall of:

Which of the following materials is a good insulator?

What is the primary source of the Sun’s energy?