The biome characterized by a mean annual temperature between 0C and 25C and mean annual precipitation between 25 cm and 100 cm is:
1. Desert
2. Arctic and alpine tundra
3. Temperate forest
4. Grassland
The phenomenon of character displacement is seen in:
1. sympatric species
2. allopatric species
3. primary succession
4. secondary succession
Identify the biome that is not correctly matched with the physical parameters given in corresponding Column II and Column III:
Biome |
Mean annual temperature [OC] |
Mean annual precipitation [cm] |
|
1. |
Tropical forest |
20 – 25 |
130 – 430 |
2. |
Arctic and alpine tundra |
-12 – 2 |
10 – 125 |
3. |
Coniferous forest |
-5 –5 |
100 – 200 |
4. |
Temperate forest |
8 – 22 |
50 – 225 |
Which one of the following characteristics is not shared by birds and mammals?
1. Warm blooded nature
2. Ossified endoskeleton
3. Breathing using lungs
4. Viviparity
Plants which produce characteristic Pneumatophores and show vivipary belong to
1. Mesophytes
2. halophytes
3. Psammophytes
4. Hydrophytes
In which one of the following habitats does the diurnal temperature of soil surface vary most?
1. Forest
2. Desert
3. Grassland
4. Shrub land
A mean annual temperature of 20 to 250C and a mean annual precipitation of 150 to 410 cm are characteristics of the biome:
1. Tropical forest
2. Coniferous forest
3. Grassland
4. Temperate forest
Ecotone is:
1. A polluted area
2. The bottom of a lake
3. A zone of transition between two communities
4. A zone of developing community