SELINA Solutions for Class 9 Biology Chapter 2 - Cell: The Unit Of Life
Chapter 2 - Cell: The Unit Of Life Exercise Ex. 1 Question A 1. Which one of the following cell organelles is correctly matched with its function? (a) Ribosomes Synthesis of proteins (b) Mitochondria Secretion of enzymes (c) Plasma membrane Freely permeable (d) Centrosome Carries genes 2. All life starts as (a) an egg (b) a single cell (c) a gene (d) a chromosome 3. Which one of the following is found both in the cells of a mango plant and a monkey? (a) chloroplasts (b) centrioles (c) cell wall (d) cell membrane 4. A plant cell can be identified from an animal cell by the (a) absence of centrosome (b) presence of cell membrane (c) presence of vacuoles (d) none of the above 5. Plant cell has a cell wall made of (a) Protein (b) Fructose (c) Cellulose (d) Fatty acids 6. The cell organelle that helps in respiration of the cell is (a) Mitochondria (b) Lysosome (c) Ribosome (d) Centrosome Soluti...