1. It has numerous pores, making it semi-permeable. It is the covering of the nucleus of the cell.   Hint First letter clue   2. It contains most of the cell organelles. It is composed of a mixture of water and soluble organic & inorganic compounds.   First letter clue   3. It is a membranous sac budded off from the golgi apparatus. It contains several types of enzymes.   First letter clue   4. It has a double-walled structure. Its inner wall is produced into folds known as cristae. It is generally sausage-shaped.   First letter clue   5. It is the largest cell organelle. It has a dense structure. It is spherical in shape.   Hint       6. It has a non-living, rigid structure. It is freely permeable and is chiefly composed of cellulose.   Hint       7. It is a colorless plastid. It contains starch.   First letter clue