1. The green color of leaves is due to the presence of the _______ pigment.   carotene   chlorophyll   xanthophyll   anthocyanin   Hint Half-n-half Clue   2. _______ consist of enzymes, which help in digestion.   Ribosomes   Centrosomes   Lysosomes   Plastids   Half-n-half Clue   3. 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   4. The outermost covering of the plant cell is known as the cell membrane.   True   False   5. Ribosomes are found attached on the _______.   mitochondrion   golgi apparatus   smooth endoplasmic reticulum   rough endoplasmic reticulum   Half-n-half Clue   6. The _______ color of flowers and fruits is due to the presence of the xanthophyll pigment.   green   yellow   blue   violet   Half-n-half Clue   7. The lowest level of organization is the _______.   cell   organism   organ   tissue   Half-n-half Clue