Question 2 :
Which of the following is not a characteristic of living things?<br/>

Question 7 :
Schleiden (1838) proposed that cell is the structural and functional unit of life. His idea was a

Question 8 :
The branch which deals with the study of cell structure and function is known as

Question 11 :
Assertion: It is important that organism have cells. Reason: A cell keeps its chemical composition steady within its boundary.

Question 12 :
The presence or absence of certain sub-cellular components in the cells of three organisms (P, Q and R) is given.<table class="wysiwyg-table"><tbody><tr><td>Sub-cellular component</td><td>P</td><td>Q</td><td>R</td></tr><tr><td>Ribosomes</td><td>present</td><td>present</td><td>present</td></tr><tr><td>Mitochondria</td><td>present</td><td>absent</td><td>present</td></tr><tr><td>Mitochondria</td><td>present</td><td>absent</td><td>present</td></tr><tr><td>Lysosomes</td><td>present</td><td>absent</td><td>present</td></tr><tr><td>Vacuoles</td><td>many small-sized</td><td>absent</td><td>single large-sized</td></tr></tbody></table>P, Q and R could most likely be.<br>

Question 13 :
Assertion: True nucleus is absent in <i>E.coli</i> and other prokaryotes Reason: An undifferentiated, unorganized, fibrillar nucleoid without any limiting membrane is found in prokaryotic cells

Question 15 :
Assertion: Rudolf virchow modified the hypothesis of cell theory given by Schleiden and Schwann. Reason: Cell theory says that all cells arise from pre-existing cells.

Question 16 :
Which of the following statements is the part of modern cell theory?

Question 17 :
Which of the following statements is related to the cell theory?