Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
1. | Endemic | 2. | Vulnerable |
3. | Threatened | 4. | Keystone |
The decline in the population of Indian native fishes due to the introduction of Clarias gariepinus in river Yamuna can be categorised as:
1. Co-extinction
2. Habitat fragmentation
3. Over exploitation
4. Alien species invasion
Organisms that are least likely to experience extinction over the long term are most likely to be found in:
1. | areas inhabited by humans | 2. | very stable habitats |
3. | desert | 4. | savanna |
Which of the following is the most important cause for animals and plants being driven to extinction?
1. Alien species invasion
2. Habitat loss and fragmentation
3. Drought and floods
4. Economic exploitation
The Earth Summit held in Rio de Janeiro in 1992 was called:
1. | for immediate steps to discontinue the use of CFCs that were damaging the ozone layer |
2. | to reduce CO2 emissions and global warming |
3. | for the conservation of biodiversity and sustainable utilization of its benefits |
4. | to assess the threat posed to native species by invasive weed species |
Select the incorrect statement.
1. | Stellar's sea cow and passenger pigeon got extinct due to over-exploitation by men |
2. | The Mitotic Convention on Biological Diversity was held in 1992 |
3. | Species diversity increases as we move away from the equator towards the poles |
4. | Lantana and Eichhornia are invasive weed species in India |
Choose the wrong pair.
1. Cenchrus-Savanna
2. Abies- Coniferous forest
3. Quercus- Broad leaf forest
4. Tectona- Temperate forest
Newly formed Biosphere Reserve of India (2013) is:
1. Pachmarhi
2. Himalaya
3. Cold desert
4. Panna
Which of the following pairs of an animal and a plant represents endangered organisms in India?
1. Bentinckia nicobarica and red panda
2. Tamarind and rhesus monkey
3. Cinchona and leopard
4. Banyan and black buck