| List-I | List-II | ||
| A. | Nucleolus | I. | Site of formation of glycolipid |
| B. | Centriole | II. | Organization like the cartwheel |
| C. | Leucoplasts | III. | Site for active ribosomal RNA |
| D. | Golgi apparatus | IV. | For storing nutrients |
| List-I | List-II | ||
| A. | Axoneme | I. | Centriole |
| B. | Cartwheel pattern | II. | Cilia and flagella |
| C. | Crista | III. | Chromosome |
| D. | Satellite | IV. | Mitochondria |
Which of the following is an incorrect statement?
| 1. | The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm. |
| 2. | Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm. |
| 3. | Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles. |
| 4. | Microbodies are present both in plant and animal cells. |
The biosynthesis of ribosomal RNA occurs in:
1. Ribosomes
2. Golgi apparatus
3. Microbodies
4. Nucleolus
Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:
| 1. | protein | 2. | mRNA |
| 3. | rRNA | 4. | tRNA |
| 1. | Larger nucleoli are present in dividing cells. |
| 2. | It is a membrane-bound structure. |
| 3. | It takes part in spindle formation. |
| 4. | It is a site for active ribosomal RNA synthesis. |
The nuclear envelope is derivative of:
| 1. | smooth endoplasmic reticulum |
| 2. | membrane of Golgi complex |
| 3. | microtubules |
| 4. | rough endoplasmic reticulum |
Ribosomal RNA is actively synthesized in:
1. Lysosomes
2. Nucleolus
3. Nucleoplasm
4. Ribosomes