1. It controls and coordinates all the activities and functions of the cell. It plays a vital role in cell division.   Golgi Apparatus   Nucleus   Mitochondrion   Cytoplasm   Hint Hint       2. It initiates and regulates cell division. It also helps in forming spindle fibres, with the help of asters.   Centrosome   Leucoplast   Mitochondrion   Cell Wall   Half-n-half Clue   3. It provides shape to the cell. It is semi-permeable, regulating the entry and exit of substances, namely solutes and ions.   Chloroplast   Lysosome   Cytoplasm   Cell Membrane   Hint       4. It is a plastid. It helps in the storage of starch.   Cell Wall   Nucleolus   Nucleoplasm   Leucoplast   Half-n-half Clue   5. It performs intracellular digestion. It also helps in destroying foreign substances.   Mitochondrion   Lysosome   Centrosome   Chloroplast   Half-n-half Clue   6. It synthesizes and secretes certain substances, namely hormones and enzymes. It also helps in the formation of acrosome of sperm.   Golgi Apparatus   Chromoplast   Leucoplast   Nucleus   Hint       7. It provides support to the cell. It also helps in the synthesis and transport of proteins and fats.   Cell Membrane   Mitochondrion   Cytoplasm   Endoplasmic Reticulum   Half-n-half Clue