1. It is made up of stacks of flattened membranous sacs. It mainly consists of vesicles, vacuoles and tubules.   Vacuole   Golgi Apparatus   Chloroplast   Nucleus   Hint Hint       2. It consists of an irregular network of double-walled tubular membrane. It does not have ribosomes attached to it.   Smooth Endoplasmic Reticulum   Cytoplasm   Vacuole   Leucoplast   Half-n-half Clue   3. It is a clear space filled with water or other substances in the form of solutions. It has a covering called tonoplast.   Nucleus   Secretory Granule   Mitochondrion   Vacuole   Hint       4. It contains most of the cell organelles. It is composed of a mixture of water and soluble organic & inorganic compounds.   Ribosome   Cytoplasm   Nucleus   Cell Wall   Half-n-half Clue   5. It is a colorless plastid. It contains starch.   Chromoplast   Leucoplast   Golgi Apparatus   Ribosome   Half-n-half Clue   6. It has a vesicular structure. It is formed when the substances produced in the endoplasmic reticulum are further processed in the golgi apparatus.   Nuclear Membrane   Secretory Granule   Ribosome   Centrosome   Half-n-half Clue   7. It has numerous pores, making it semi-permeable. It is the covering of the nucleus of the cell.   Cell Membrane   Nuclear Membrane   Secretory Granule   Cytoplasm   Half-n-half Clue