Organism

Q. The basic unit of study in ecology is

1. population
2. organism
3. community
4. species

Q. The study of an organism with its environment is called

1. Synecology
2. Bionomics
3. Auteology
4. Herpetology

Q.

Autecology is the:

1. Relation of a population to its environment

2. Relation between a species and its environment

3. Relation of a community to its environment

4. Relation of a biome to its environment

Q. Life exists in

1. The depths of the ocean
2. Frigid poles of the Earth
3. Geothermal Vents
4. Human Gut
5. All of these

Q. Assertion: Living organisms are regarded as closed systems.
Reason: Energy of living organisms can be lost to or gained from external environment

1. Both assertion and reason are true and the reason is the correct explanation of assertion
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. Assertion is true but reason is false
4. Assertion is false and reason is true