1. It is a green-colored plastid. It contains a pigment called chlorophyll.   Rough Endoplasmic Reticulum   Chloroplast   Lysosome   Nucleolus   Hint Hint       2. It is round in shape. It is contained in the nucleus of the cell.   Cytoplasm   Nucleolus   Vacuole   Golgi Apparatus   Half-n-half Clue   3. It is chiefly composed of a dense fluid. It contains chromatin fibres, which are made up of DNA (Deoxyribonucleic acid).   Nucleoplasm   Nuclear Membrane   Nucleus   Leucoplast   Half-n-half Clue   4. It is a plastid that is colored differently in different cells. It contains pigments such as xanthophyll (yellow in color) and carotene (orangish-red in color).   Mitochondrion   Nucleus   Rough Endoplasmic Reticulum   Chromoplast   Half-n-half Clue   5. It has a living, flexible and thin structure. It possesses fine pores, making it semi-permeable. It is chiefly composed of lipo-proteins.   Cell Wall   Chloroplast   Golgi Apparatus   Cell Membrane   Hint       6. It is a colorless plastid. It contains starch.   Leucoplast   Cytoplasm   Centrosome   Chloroplast   Half-n-half Clue   7. It is a membranous sac budded off from the golgi apparatus. It contains several types of enzymes.   Ribosome   Lysosome   Cytoplasm   Leucoplast   Half-n-half Clue