Name the information source for making proteins in the cells.

For finding the focal length of a concave mirror, where do we keep the object? What is the position of image formed? On which structure we get the image? What is the nature of the image formed?

Write the number of horizontal rows in the modern periodic table. What are these rows called?

List two measures that you would suggest for the better management of water resources.

List four modes of asexual reproduction.