Statement I: | Macrophages and leucocytes in blood exhibit amoeboid movement in human body. |
Statement II: | Cytoskeletal elements like microfilaments are also involved in amoeboid movement apart from pseudopodia. |
1. | Statement I is correct; Statement II is correct |
2. | Statement I is correct; Statement II is incorrect |
3. | Statement I is incorrect; Statement II is correct |
4. | Statement I is incorrect; Statement II is incorrect |
Statement I: | All living organisms are made up of cells, and it is the basic structural and functional unit of life. |
Statement II: | Cells can only arise from pre-existing cells through the process of binary fission. |
1. | Both Statement I and Statement II are true. |
2. | Statement I is true, but Statement II is false. |
3. | Statement I is false, but Statement II is true. |
4. | Both Statement I and Statement II are false |
A: | The eukaryotes include only multicellular organims. |
B: | Animal cells have centrioles which are absent in almost all plant cells; Spindle formation is seen in animal seen which is absent in all plant cells. |
C: | The isolated lysosomal vesicles have been found to be very rich in almost all types of oxidative enzymes. |
D: | Like chloroplasts, the mitochondria are also double membrane bound and easily observed under the microscope as they are large. |
E: | In case of acrocentric chromosome the centromere is situated close to its end forming one extremely short and one very long arm, whereas the telocentric chromosome has a terminal centromere. |