Autecology is the: 

1.	Relation of heterogeneous populations to their environment
2.	Relation of an individual to its environment
3.	Relation of a community to its environment
4.	Relation of a biome to its environment

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

Biosphere is:

The ecological niche is:

According to Allen’s Rule, mammals from colder climates have:

1. Shorter ears and longer limbs

2. Longer ears and shorter limbs

3. Longer ears and longer limbs

4. Shorter ears and shorter limbs

Salt concentration (Salinity) of the sea measured in parts per thousand is:

1. 10-15

2. 30-70

3. 0-5

4. 30-35

Formation of tropical forests needs mean annual temperature and mean annual precipitation as:

1. 18 – 25 °C and 150 – 400 cm

2. 5 – 15 °C and 50 – 100 cm

3. 30 - 50°C and 100 – 150 cm

4. 5 – 15 °C and 100 – 200 cm

Which of the following forest plants controls the light conditions at the ground?

1. Lianas and climbers

2. Shrubs

3. Tall trees

4. Herbs

What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?

If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the percent growth or birth rate per individual per hour?