Few chromosome have non-staining secondary constrictions at a constant location, also known as :-
1. Cristae
2. Satellite
3. Kinetochores
4. Hub
A cell organelle containing hydrolytic enzyme is:
1. lysosome
2. microsome
3. ribosome
4. mesosome
| 1. | Polysome | 2. | Polyhedral bodies |
| 3. | Plastidome | 4. | Nucleosome |
| 1. | Chloroplasts | 2. | Lysosomes |
| 3. | Nuclei | 4. | Mitochondria |
Match the columns and identify the correct option.
| Column I | Column II | ||
| A. | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
| B. | Cristae | (ii) | Condensed structure of DNA |
| C. | Cisternae | (iii) | Flat membranous sacs in stroma |
| D. | Chromatin | (iv) | Infolding in mitochondria |
1. A → (iv), B → (iii), C → (i), D → (ii)
2. A → (iii), B → (iv), C → (i), D → (ii)
3. A → (iii), B → (i), C → (iv), D → (ii)
4. A → (iii), B → (iv), C → (ii), D → (i)
DNA is not present in:
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
Find the incorrect statement:
| 1. | Plastids found in plant cells and in euglenoids. |
| 2. | Golgi apparatus is site of formation of glycoproteins and glycolipids. |
| 3. | Nucleus during interphase has highly extended and elaborate nucleoprotein fibers. |
| 4. | Centriole Microtubular organization is referred to as the 9 + 2 and it forms basal body of cilia and flagella. |
Which of the following organelles is not correctly matched with its feature?
| Organelle | Feature | |
| 1. | Smooth endoplasmic reticulum | Synthesis of steroidal hormones in animals |
| 2. | Golgi apparatus | Formation of glycoproteins and glycolipids |
| 3. | Lysosomes | Rich in alkaline hydrolases |
| 4. | Elaioplasts | Store oils and fats |