1. _______ are known as the 'sites of intracellular digestion'.   Mitochondria   Secretory granules   Ribosomes   Lysosomes   Hint Half-n-half Clue   2. The _______ color of flowers and fruits is due to the presence of the xanthophyll pigment.   violet   green   blue   yellow   Half-n-half Clue   3. The green color of leaves is due to the presence of the _______ pigment.   carotene   chlorophyll   xanthophyll   anthocyanin   Half-n-half Clue   4. Which of the following cell organelles is found in the plant cell but not in the animal cell?   Mitochondrion   Chloroplast   Endoplasmic Reticulum   Ribosome   Half-n-half Clue   5. The network of convoluted tubules is called the _______.   microtubule   golgi apparatus   mitochondrion   endoplasmic reticulum   Half-n-half Clue   6. Secretory granules are formed by the _______ of the animal cell.   golgi apparatus   mitochondria   ribosomes   endoplasmic reticulum   Half-n-half Clue   7. The cell membrane is also known as the _______ membrane.   pleural   plasma   parietal   placental   Half-n-half Clue