1. It is the site of ATP (Adenosine triphosphate) synthesis. It also synthesizes respiratory enzymes.   Centrosome   Cell Membrane   Mitochondrion   Vacuole   Hint Half-n-half Clue   2. It performs intracellular digestion. It also helps in destroying foreign substances.   Nucleoplasm   Lysosome   Endoplasmic Reticulum   Mitochondrion   Half-n-half Clue   3. It is a plastid. It helps in the storage of starch.   Lysosome   Leucoplast   Vacuole   Endoplasmic Reticulum   Half-n-half Clue   4. It is known as the 'site of protein synthesis in the cell', and synthesizes proteins. It is chiefly composed of RNA (Ribonucleic acid).   Nucleus   Cell Wall   Ribosome   Centrosome   Half-n-half Clue   5. It initiates and regulates cell division. It also helps in forming spindle fibres, with the help of asters.   Centrosome   Leucoplast   Cell Wall   Ribosome   Half-n-half Clue   6. It provides support to the cell. It also helps in the synthesis and transport of proteins and fats.   Endoplasmic Reticulum   Nucleus   Chromoplast   Chloroplast   Half-n-half Clue   7. It provides shape to the cell. It is semi-permeable, regulating the entry and exit of substances, namely solutes and ions.   Centrosome   Cell Wall   Cell Membrane   Chromoplast   Hint