Which one of the following cellular parts is correctly described ?
| 1. | Thylakoids - flattened membranous sacs forming the grana of chloroplasts |
| 2. | Centrioles - sites for active RNA synthesis |
| 3. | Ribosomes - those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s) |
| 4. | Lysosomes - optimally active at a pH of about 8.5 |
Match the following and select the correct answer :
| (a) | Centriole | (i) | Infoldings in mitochondria |
| (b) | Chlorophyll | (ii) | Thylakoids |
| (c) | Cristae | (iii) | Nucleic acids |
| (d) | Ribozymes | (iv) | Basal body cilia or flagella |
| A | B | C | D | |
| 1. | (iv) | (ii) | (i) | (iii) |
| 2. | (i) | (ii) | (iv) | (iii) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (iv) | (iii) | (i) | (ii) |
Extranuclear chromosomes occur in:
| 1. | Peroxisome and ribosome | 2. | Chloroplast and mitochondria |
| 3. | Mitochondria and ribosome | 4. | Chloroplast and lysosome |
Match the columns and identify the correct option.
| Column I | Column II | ||
| A. | Thylakoids | 1. |
Disc-shaped sacs in Golgi apparatus |
| B. | Cristae | 2. |
Condensed structure of DNA |
| C. | Cisternae | 3. |
Flat membranous sacs in stroma |
| D. | Chromatin | 4. |
Infolding in mitochondria |
| A | B | C | D | |
| 1. | 4 | 3 | 1 | 2 |
| 2. | 3 | 4 | 1 | 2 |
| 3. | 3 | 1 | 4 | 2 |
| 4. | 3 | 4 | 2 | 1 |
Chlorophyll occurs in chloroplast in
| 1. | Inner membrane | 2. | Thylakoid membrane |
| 3. | Outer membrane | 4. | Stroma |
Which of the following statements is wrong?
| 1. | Both chloroplasts and mitochondria have an internal compartment or the thylakoid space bounded by the thylakoid membrane. |
| 2. | Both chloroplasts and mitochondria contain DNA. |
| 3. | The chloroplasts are generally much larger than mitochondria. |
| 4. | Both chloroplasts and mitochondria are covered by double membrane. |
Extranuclear DNA is found in:
| 1. | Lysosome and chloroplast |
| 2. | Chloroplast and mitochondria |
| 3. | Mitochondria and lysosome |
| 4. | Golgi and E.R. |
Match List - I with List - II
| List - I | List - II |
| (a) Chromoplasts | (i) Proteins |
| (b) Amyloplasts | (ii) Oil and fats |
| (c) Elaioplasts | (iii) Starch |
| (d) Aleuroplasts | (iv) Carotene |
Choose the correct answer from the option given below
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (iii) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (iv) | (iii) | (i) | (ii) |