The most effective biologic control of insects is achieved by:
1. | insectivorous birds | 2. | biocides |
3. | parasitoid wasps | 4. | parasitic nematodes |
An endangered species as compared to a threatened species:
1. | is nearer to extinction |
2. | threatens the survival of other species |
3. | is one about which the known data is deficient |
4. | has more diversity |
The type of species that will most likely be supported by small parks will be:
1. | k - selected species | 2. | r - selected species |
3. | climax species | 4. | species with small niches |
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 |
Exploring molecular, genetic and species-level diversity for products of economic importance is called as:
1. | Molecular pharming | 2. | rDNA technology |
3. | Bioprospecting | 4. | Bioharvesting |
The best preservation areas are:
1. | small in size but multiple in number |
2. | large ones are better than small-sized ones |
3. | the size is less important than the number |
4. | size and number are irrelevant |