A terrestrial animal must be able to:
1. Conserve water
2. Actively pump salts out, through the skin
3. Excrete large amounts of salts in urine
4. Excrete large amounts of water in urine
In which of the following pairs is the specific characteristic of a soil not correctly matched:
1. Terra rossa – Most suitable for roses
2. Chernozems – the richest soil in the world
3. Black soil – Rich in calcium carbonate
4. Laterite – Contains an aluminium compound
In which one of the following habitats does the diurnal temperature of the soil surface vary most?
1. Forest
2. Desert
3. Grassland
4. Shrubland
When we migrate from dark to light, we fail to see for sometimes but after a time visibility becomes normal. It is an example of:
1. Accommodation
2. Adaptation
3. Mutation
4. Photoperiodism
In which biome a new plant may adapt soon?
1. Tropical rain forest
2. Desert
3. Mangrove
4. Sea island
Animals of desert are:
1. Arboreal
2. Fossorial
3. Crepuscular
4. Nocturnal
Acacia, Prosopis and Capparis belong to:
1. Deciduous forest
2. Tropical forest
3. Thorn forest
4. Evergreen forest
Which one of the following pairs is mismatched:
1. Savanna - acacia trees
2. Coniferous forest - evergreen trees
3. Tundra - permafrost
4. Prairie - epiphytes
More than 70% of the world's freshwater is contained in the:
1. Antarctica
2. Polar ice
3. Glaciers and Mountains
4. Greenland
Match List-I with List-II
List-I | List-II |
(a) Allen's Rule | (i) Kangaroo rat |
(b) Physiological adaptation | (ii) Desert lizard |
(c) Behavioural adaptation | (iii) Marine fish at depth |
(d) Biochemical adaptation | (iv) Polar seal |
Choose the correct answer from the options given below :
(a) | (b) | (c) | (d) | |
1. | (iv) | (i) | (ii) | (iii) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (iv) | (i) | (iii) | (ii) |