Statement l: | Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. |
Statement II: | The Amazon rain forest has the greatest biodiversity on earth. |
Q.9 Amongst the animal groups given below, which one has the highest
percentage of endangered species?
1. Insects
2. Mammals
3. Amphibians
4. Reptiles
Match the animals given in coloumn I with their location in coloumn II :
Column I | Column II | ||
A | Dodo | (i) | Africa |
B | Quagga | (ii) | Russia |
C | Thylacine | (iii) | Mauritius |
D | Stellar's sea cow | (iv) | Australia |
Choose the correct match the following
1. A -i , B-iii, C-ii , D-iv
2. A -iv , B-iii, C-i , D-ii
3. A -iii , B-i, C-ii , D-iv
4. A -iii , B-i, C-iv , D-ii
The organisation which publishes the Red List of species is:
1. | ICFRE | 2. | IUCN |
3. | UNEP | 4. | WWF |
Red List contains data or information on?
1. all economically important plants
2. plants whose products are in international trade
3. threatened species
4. marine vertebrates only
Reason for elimination of wild life is:
1. Deforestation
2. Forest fire
3. Floods
4. Less Rain fall
Main reason for disturbance of biological diversity:
1. Greenhouse effect
2. Hunting
3. Soil erosion
4. Destruction of natural habitats
The number of wildlife is continuously decreasing. What is the main reason for this:
1. Predation
2. Cutting down of forest
3. Destruction of habitat
4. Hunting