Quiz | Jatin Verma’s IAS Academy
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Q1

Which of the following is/are component(s) of the environment?

1. Pollutants

2. Both living and non-living organisms

3. Surroundings of an organism

Select the correct answer using the code given below:

Q2

With reference to an ecosystem, consider the following statements:

1. There is an exchange of energy within the ecosystem as well as between adjoining ecosystems.

2. The Biosphere is a part of the earth's terrestrial system and the only place on the earth where develops and where life process in turn get transformed.

Which of the statements given above is/are correct?

Q3

Consider the following statements:

1. A natural ecosystem is purely dependent on solar energy.

2. Human intervention is not an example of a natural ecosystem.

Which of the statements given above is/are correct?

Q4

Through which one of the following processes communities of plant and animal species in an area are replaced or changed into another over a period of time?

Q5

Consider the following pairs:

1. Seral community: A climax community

2. Xerarc: Succession that occurs on land where moisture content is low

3. Hydrarch: Succession that takes place in a water body

Which of the above pairs is/are correctly matched?

Q6

Which of the following can be termed as 'Niche' of a species in an ecosystem?

1. What it eats.

2. What species it competes with.

3. How and when it reproduces.

Select the correct answer using the code given below:

Q7

With reference to the energy flow through an ecosystem, consider the following statements:

1. The energy level decreases from the first trophic level upwards.

2. The energy flows in the reverse direction that is from carnivores to herbivores to producers in desert ecosystem only.

Which of the statements given above is/are correct?

Q8

In which of the following biological interaction between two species one species benefits, one species harms or restricts the other species without itself being adversely affected or harmed by the presence of the other species?

Q1.

Which of the following is/are component(s) of the environment?

1. Pollutants

2. Both living and non-living organisms

3. Surroundings of an organism

Select the correct answer using the code given below:

a) 2 only
b) 2 and 3 only
c) 1 and 2 only
d) 1, 2 and 3
Q2.

With reference to an ecosystem, consider the following statements:

1. There is an exchange of energy within the ecosystem as well as between adjoining ecosystems.

2. The Biosphere is a part of the earth's terrestrial system and the only place on the earth where develops and where life process in turn get transformed.

Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Q3.

Consider the following statements:

1. A natural ecosystem is purely dependent on solar energy.

2. Human intervention is not an example of a natural ecosystem.

Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Q4.

Through which one of the following processes communities of plant and animal species in an area are replaced or changed into another over a period of time?

a) Ecological evolutionary
b) Ecological succession
c) Population dynamics
d) Ecological equivalence
Q5.

Consider the following pairs:

1. Seral community: A climax community

2. Xerarc: Succession that occurs on land where moisture content is low

3. Hydrarch: Succession that takes place in a water body

Which of the above pairs is/are correctly matched?

a) 3 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3
Q6.

Which of the following can be termed as 'Niche' of a species in an ecosystem?

1. What it eats.

2. What species it competes with.

3. How and when it reproduces.

Select the correct answer using the code given below:

a) 2 only
b) 1 and 3 only
c) 2 only
d) 1, 2 and 3
Q7.

With reference to the energy flow through an ecosystem, consider the following statements:

1. The energy level decreases from the first trophic level upwards.

2. The energy flows in the reverse direction that is from carnivores to herbivores to producers in desert ecosystem only.

Which of the statements given above is/are correct?

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Q8.

In which of the following biological interaction between two species one species benefits, one species harms or restricts the other species without itself being adversely affected or harmed by the presence of the other species?

a) Amensalism
b) Competition
c) Predation
d) Parasitism