1. _______ are known as the 'sites of protein synthesis in the cell'.   Mitochondria   Fat droplets   Ribosomes   Secretory granules   Hint Half-n-half Clue   2. The _______ color of flowers and fruits is due to the presence of the xanthophyll pigment.   violet   yellow   green   blue   Half-n-half Clue   3. The cell membrane is also known as the _______ membrane.   plasma   parietal   placental   pleural   Half-n-half Clue   4. The reproduction of the cell is controlled by the _______.   centrosome   nucleus   mitochondrion   endoplasmic reticulum   Half-n-half Clue   5. Which of the following cell organelles is found in the plant cell but not in the animal cell?   Chloroplast   Mitochondrion   Ribosome   Endoplasmic Reticulum   Half-n-half Clue   6. Secretory granules are formed by the _______ of the animal cell.   golgi apparatus   ribosomes   endoplasmic reticulum   mitochondria   Half-n-half Clue   7. The outermost covering of the plant cell is known as the cell membrane.   True   False