Welcome to your Sample Quiz 1. Select the incorrect statement regarding cells. Cells are always nucleated. All life on Earth exists as cells. Differences between cells are due to the addition of extra features. Cells have basic features in common. 2. Select the incorrect statement about monosaccharides. Few monosaccharides possess a carbonyl group. They act as reducing sugars. They are soluble in water. They are sweet in taste.3. Which indicates an indirect evidence for evolution? Existance of all life on Earth as cells. Presence of basic features in cells. The fact that all cells arise from other cells. Addition of extra features in cells.4. Which of the following is a single membrane bound organelle? Mitochondria Nucleus Centrioles Peroxisomes5. Select the incorrect statement with regard to cell-surface membranes. Some embedded proteins in the cell-surface membrane are involved in cell signalling–communication between cells. Cell-surface membranes contain embedded proteins. Some embedded proteins in the cell-surface membrane act as antigens. All cells do not have cell-surface membranes.6. The composition of starch. Amylopectin only Amylose only Amylose and glycoprotein Amylose and amylopectin7. Which of the following is a double membrane bound organelle? Chloroplast Peroxisomes Lysosomes Ribosomes8. The fuction of internal membranes in eukaryotic cells. Controls the passage of substances. Digestion of materials from within the cell. Storing genetic information Acts as the 'control center'9. The most abundant organic molecule present on the earth. Pectin Cellulose Glucose Hemicellulose10. Select the incorrect statement from the following. All cells have a cell-surface membrane. All cells arise from other cells. Meiosis and mitosis takes place in eukaryotic cells. Meiosis takes place in prokaryotic cells.