Q. No.Although, India has only 2.4 % of world’s area, its share of global species diversity is about:
1.
3%
2.
5%
3.
8%
4.
11%
Approximately, what number of species have been identified, named and studied?
| 1. | 1.0 million | 2. | 1.5 million |
| 3. | 1.7 million | 4. | 2.0 million |
The greatest biodiversity on the earth is found in:
| 1. | African grasslands |
| 2. | Amazonian rain forest in South America |
| 3. | Western Ghats in India |
| 4. | Nile delta in Egypt |
The relation between species richness and area for a wide variety of taxa on alogarithmic scale is a:
| 1. | rectangular hyperbola | 2. | straight line |
| 3. | sigmoid curve | 4. | circular circle |
Biodiversity loss is now one of the world’s most pressing crisis. The primary reason for this is that:
| 1. | we cannot do anything about it |
| 2. | we are not responsible for this loss |
| 3. | we still do not know its entire extent |
| 4. | it is only affecting the developing countries |
Between community, diversity is known as:
| 1. | alpha diversity | 2. | beta diversity |
| 3. | gamma diversity | 4. | delta diversity |
Rice grown in Asia is protected from four main diseases by gene received from a single wild rice species that is:
1. Oryza nivara
2. Oryza indica
3. Oryza sativa
4. Oryza orientalis
Which of the following is a source of an antimalarial drug?
| 1. | Papaver somniferum | 2. | Cinchona officinalis |
| 3. | Artemesia species | 4. | Both 2 and 3 |
The bark of the yew tree, Taxus brevifolia, is source of:
1. an antileprosy drug
2. an anticancer drug
3. a broad spectrum antibiotic
4. an analgesic and sedative
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