1. It is a green-colored plastid. It contains a pigment called chlorophyll.   Hint Hint       2. It is the largest cell organelle. It has a dense structure. It is spherical in shape.   Hint       3. It consists of an irregular network of double-walled tubular membrane. It does not have ribosomes attached to it.   First letter clue   4. It is a membranous sac budded off from the golgi apparatus. It contains several types of enzymes.   First letter clue   5. It is a clear space filled with water or other substances in the form of solutions. It has a covering called tonoplast.   Hint       6. It is made up of stacks of flattened membranous sacs. It mainly consists of vesicles, vacuoles and tubules.   Hint       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).   First letter clue