Consider the following statements (A)-(D) each with one or two blanks:
 

(A)	Bears go into ________ (1) _ during winter to ________ (2) _ cold weather.
(B)	A conical age pyramid with a broad base represents _________ (3) human population.
(C)	A wasp pollinating a fig flower is an example of ________ (4) _ .
(D)	An area with high levels of species richness is known as _________ (5) .

Which of the following options, gives the correct fill-ups for the respective blank numbers from(1) to (5) in the statements?
 

1.	(1) - hibernation, (2) - escape, 3) - expanding, (5) - hot spot
2.	(3) - stable, (4) - commensalism, (5) - marsh
3.	(1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism
4.	(3) - expanding, (4) - commensalism, (5) - biodiversity park

More than 70% of the world's freshwater is contained in the:

1. Antarctica

2. Polar ice

3. Glaciers and Mountains

4. Greenland 

Which one of the following pairs is mismatched:

1. Savanna - acacia trees

2. Coniferous forest - evergreen trees

3. Tundra - permafrost

4. Prairie - epiphytes 

Acacia, Prosopis and Capparis belong to:
1.  Deciduous forest
2.  Tropical forest
3.  Thorn forest
4.  Evergreen forest

Animals of desert are:
1.  Arboreal
2.  Fossorial
3.  Crepuscular
4.  Nocturnal

In which biome a new plant may adapt soon?
1.  Tropical rain forest
2.  Desert
3.  Mangrove
4.  Sea island

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