Question 3 :
The smallest size of a cell which can be seen with unaided eye is

Question 4 :
Match the following.<br/><table class="wysiwyg-table"><tbody><tr><td>A. &#160;Mitochondria, chloroplast and nucleus</td><td>1. Amembranous</td></tr><tr><td>B. Lysosome and glyoxysome</td><td>2. Single membrane</td></tr><tr><td>C. Ribosome</td><td>3. Double membrane</td></tr><tr><td>D. Bacterial chromatin</td><td>4. Triple membrane</td></tr><tr><td></td><td>5. Without membrane, common to prokaryotic and eukaryotic cells</td></tr></tbody></table>

Question 5 :
Assertion: Specialization of cells is useful for organism. Reason: It increases the operational efficiency of an organism.