1. It is round in shape. It is contained in the nucleus of the cell.   Mitochondrion   Secretory Granule   Nucleoplasm   Nucleolus   Hint Half-n-half Clue   2. It contains one or two centrioles, and is surrounded by microtubules or the centrosphere. It is situated near the nucleus.   Secretory Granule   Golgi Apparatus   Nucleolus   Centrosome   Half-n-half Clue   3. It is a green-colored plastid. It contains a pigment called chlorophyll.   Nucleolus   Rough Endoplasmic Reticulum   Nucleus   Chloroplast   Hint       4. It has a vesicular structure. It is formed when the substances produced in the endoplasmic reticulum are further processed in the golgi apparatus.   Nucleus   Ribosome   Nucleoplasm   Secretory Granule   Half-n-half Clue   5. It has a double-walled structure. Its inner wall is produced into folds known as cristae. It is generally sausage-shaped.   Centrosome   Cytoplasm   Nucleolus   Mitochondrion   Half-n-half Clue   6. It consists of an irregular network of double-walled tubular membrane. It has ribosomes attached to it.   Centrosome   Rough Endoplasmic Reticulum   Cell Wall   Nuclear Membrane   Half-n-half Clue   7. 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).   Nucleoplasm   Ribosome   Chromoplast   Leucoplast   Half-n-half Clue