Quiz | Jatin Verma’s IAS Academy
Correct Incorrect Unattempted
Q1

The amount of inorganic nutrients found in an ecosystem at any given time is known as

Q2

Which of the following components is/are not abiotic components(s) of the ecosystem? 

1. Soil

2. Decomposers

3. Gravity

4. Symbionts

5. Fire

Select the correct answer using the code given below:

 

Q3

Which one of the following concepts helps to explain the phenomenon of biological magnification?

 

Q4

Which of the following is/are associated with ecological succession?

1. Increased diversity of organisms with increased niche development 

2. Gradual increase in the complexity of food webs.

Select the correct answer using the code given below:

 

Q5

The rich growth of seagrasses along the Tamil Nadu coast and Lakshadweep islands are mainly due to

1. Due to high salinity

2. Clarity of the water 

3. Sandy substratum

Select the correct answer using the codes given below:

 

Q6

Consider the following statements:

1. Carbon monoxide gas is produced as a result of incomplete combustion of carbon.

2. Paddy field is an important source of carbon monoxide.

Which of the statements given above is/are correct?

 

Q7

Which of the following is/are example(s) primary producer in an ecosystem?

1. Bacteria

2. Green plants

3. Algae

Select the correct answer using the code given below:

 

Q8

Which one of the following is often termed as the 'Tropical Rainforests of the Sea'?

 

Q1.

The amount of inorganic nutrients found in an ecosystem at any given time is known as

a) Biomass of the ecosystem
b) Standing crop of the ecosystem
c) Net Primary Productivity
d) Standing state of the ecosystem
Q2.

Which of the following components is/are not abiotic components(s) of the ecosystem? 

1. Soil

2. Decomposers

3. Gravity

4. Symbionts

5. Fire

Select the correct answer using the code given below:

 

a) 2 and 4 only
b) 1, 3 and 5 only
c) 2 only
d) None of the above
Q3.

Which one of the following concepts helps to explain the phenomenon of biological magnification?

 

a) Pyramid of Biomass
b) Ecological succession
c) Eutrophication
d) Pyramid of Energy
Q4.

Which of the following is/are associated with ecological succession?

1. Increased diversity of organisms with increased niche development 

2. Gradual increase in the complexity of food webs.

Select the correct answer using the code given below:

 

a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Q5.

The rich growth of seagrasses along the Tamil Nadu coast and Lakshadweep islands are mainly due to

1. Due to high salinity

2. Clarity of the water 

3. Sandy substratum

Select the correct answer using the codes given below:

 

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

Consider the following statements:

1. Carbon monoxide gas is produced as a result of incomplete combustion of carbon.

2. Paddy field is an important source of carbon monoxide.

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
Q7.

Which of the following is/are example(s) primary producer in an ecosystem?

1. Bacteria

2. Green plants

3. Algae

Select the correct answer using the code given below:

 

a) 2 only
b) 1 and 2 only
c) 2 and 3 only
d) 1, 2 and 3
Q8.

Which one of the following is often termed as the 'Tropical Rainforests of the Sea'?

 

a) Coral reefs
b) Seagrass
c) Estuary
d) Mangroves