Match the following and select the correct answer:
Column I | Column II | ||
(a) | Centriole | (i) | Infoldings in mitochondria |
(b) | Chlorophyll | (ii) | Thylakoids |
(c) | Cristae | (iii) | Nucleic acids |
(d) | Ribozymes | (iv) | Basal body of cilia or flagella |
1. A-iv, B-ii, C-i, D-iii
2. A-i, B-ii, C-iv, D-iii
3. A-i, B-iii, C-ii, D-iv
4. A-iv, B-iii, C-i, D-ii
Flagella of prokaryotic and eukaryotic cells differ in:
1. | Location in cell and mode of functioning |
2. | Microtubular organization and type of movement |
3. | Microtubular organization and function |
4. | Type of movement & placement in the cell |
The mitotic spindle is mainly composed of which protein:
1. Actin
2. Tubulin
3. Actomyosin
4. Myoglobin
Microtubules are absent in:
1. Mitochondria
2. Flagella
3. Spindle fibers
4. Centriole
Role of microtubules is:
1. To help in cell division
2. Cell membrane formation
3. Respiration
4. Pinocytosis