Answer:
I is nucleus and H is plasma membrane.
Step-by-step explanation:
Nucleus is a spherical or oval, cell organelle present in almost all the cells. It plays a central role in cellular activities. The nucleus contains genetic material which organized into chromosomes. The chromosomes made of DNA (Deoxyribonucleic acid) and protein molecules.
Plasma membrane or cell membrane is the outermost covering of animal cells. It is made of lipoprotein and is a selective or semi-permeable membrane as it allows only certain substance to pass through it. It regulates the movement of water and substances across membrane.