The two functional groups characteristic of sugars are:
1. | Hydroxyl and methyl | 2. | Carbonyl and methyl |
3. | Carbonyl and phosphate | 4. | Carbonyl and hydroxyl |
1. | ATP | 2. | NADH |
3. | NADPH | 4. | Oxygen |
1. | Dumb-bell shaped | 2. | Kidney shaped |
3. | Rectangular | 4. | Barrel-shaped |
Which among the following is not a prokaryote?
1. Saccharomyces
2. Mycobacterium
3. Nostoc
4. Oscillatoria
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. |
1. Carbon
2. Cl
3. Fe
4. Oxygen
Which of the following is a secondary pollutant?
1. | All the biological factors in the organism environment |
2. | The physical space where an organism lives |
3. | The range of temperature that the organism needs to live |
4. | The functional role played by the organism where it lives |
Natality refers to:
1. Death rate
2. Birth rate
3. Number of individuals leaving the habitat
4. Number of individuals entering the habitat