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

What do you observe on seeing the slides showing reproduction in amoeba? What is the name given to this method of reproduction in Amoeba?

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?

Name the information source for making proteins in the cells.

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