1. _______ are known as the 'power-houses of the cell'.   Secretory granules   Fat droplets   Mitochondria   Ribosomes   Hint Half-n-half Clue   2. Ribosomes are found attached on the _______.   golgi apparatus   smooth endoplasmic reticulum   mitochondrion   rough endoplasmic reticulum   Half-n-half Clue   3. The reproduction of the cell is controlled by the _______.   mitochondrion   nucleus   endoplasmic reticulum   centrosome   Half-n-half Clue   4. The _______ color of flowers and fruits is due to the presence of the xanthophyll pigment.   blue   green   violet   yellow   Half-n-half Clue   5. A group of cells performing a specific function constitute a tissue.   True   False   6. The outermost covering of the plant cell is known as the cell membrane.   True   False   7. Secretory granules are formed by the _______ of the animal cell.   ribosomes   endoplasmic reticulum   mitochondria   golgi apparatus   Half-n-half Clue