LIFE SCIENCE

Detailed explanation-1: -Nucleus. Known as the cell’s “command center, ‘’ the nucleus is a large organelle that stores the cell’s DNA (deoxyribonucleic acid). The nucleus controls all of the cell’s activities, such as growth and metabolism, using the DNA’s genetic information.

Detailed explanation-2: -Nuclei contain the genetic material called DNA that is responsible for controlling and directing all cell activities.

Detailed explanation-3: -The nucleus controls most of the activities of the cell because it contains the genetic material or DNA.

Detailed explanation-4: -i) Nucleus is generally spherical body and located in the centre of the cell. It can be stained and seen easily with the help of a microscope. It acts as a control centre of all the activities of a cell.