Ecosystem: Structure and Function
BIOXII14: ECOSYSTEM

344596 Statement A :
Stratification considers horizontal distribution of different plant species occupying different levels.
Statement B :
Trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers is an example of stratification.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344597 Select the correct answer
i. Conversion of inorganic into organic material with the help of the radiant energy of the sun by the autotroph
ii. Consumption of the autotrophs by heterotrophs;
iii. Decomposition and mineralisation of the dead matter to release them back for reuse by the autotrophs
The above events occur in a

1 Population
2 Individual
3 Ecosystem
4 Only pond
BIOXII14: ECOSYSTEM

344598 Which one of the following is not the functional unit of ecosystem?

1 Stratification
2 Productivity
3 Energy flow
4 Decomposition
BIOXII14: ECOSYSTEM

344599 Assertion :
The autotrophic components include the phytoplankton, some algae and the floating, submerged and marginal plants found at the edges.
Reason :
The decomposers are the fungi, bacteria and flagellates especially abundant on the surface of the pond.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXII14: ECOSYSTEM

344596 Statement A :
Stratification considers horizontal distribution of different plant species occupying different levels.
Statement B :
Trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers is an example of stratification.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344597 Select the correct answer
i. Conversion of inorganic into organic material with the help of the radiant energy of the sun by the autotroph
ii. Consumption of the autotrophs by heterotrophs;
iii. Decomposition and mineralisation of the dead matter to release them back for reuse by the autotrophs
The above events occur in a

1 Population
2 Individual
3 Ecosystem
4 Only pond
BIOXII14: ECOSYSTEM

344598 Which one of the following is not the functional unit of ecosystem?

1 Stratification
2 Productivity
3 Energy flow
4 Decomposition
BIOXII14: ECOSYSTEM

344599 Assertion :
The autotrophic components include the phytoplankton, some algae and the floating, submerged and marginal plants found at the edges.
Reason :
The decomposers are the fungi, bacteria and flagellates especially abundant on the surface of the pond.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
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BIOXII14: ECOSYSTEM

344596 Statement A :
Stratification considers horizontal distribution of different plant species occupying different levels.
Statement B :
Trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers is an example of stratification.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344597 Select the correct answer
i. Conversion of inorganic into organic material with the help of the radiant energy of the sun by the autotroph
ii. Consumption of the autotrophs by heterotrophs;
iii. Decomposition and mineralisation of the dead matter to release them back for reuse by the autotrophs
The above events occur in a

1 Population
2 Individual
3 Ecosystem
4 Only pond
BIOXII14: ECOSYSTEM

344598 Which one of the following is not the functional unit of ecosystem?

1 Stratification
2 Productivity
3 Energy flow
4 Decomposition
BIOXII14: ECOSYSTEM

344599 Assertion :
The autotrophic components include the phytoplankton, some algae and the floating, submerged and marginal plants found at the edges.
Reason :
The decomposers are the fungi, bacteria and flagellates especially abundant on the surface of the pond.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXII14: ECOSYSTEM

344596 Statement A :
Stratification considers horizontal distribution of different plant species occupying different levels.
Statement B :
Trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers is an example of stratification.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII14: ECOSYSTEM

344597 Select the correct answer
i. Conversion of inorganic into organic material with the help of the radiant energy of the sun by the autotroph
ii. Consumption of the autotrophs by heterotrophs;
iii. Decomposition and mineralisation of the dead matter to release them back for reuse by the autotrophs
The above events occur in a

1 Population
2 Individual
3 Ecosystem
4 Only pond
BIOXII14: ECOSYSTEM

344598 Which one of the following is not the functional unit of ecosystem?

1 Stratification
2 Productivity
3 Energy flow
4 Decomposition
BIOXII14: ECOSYSTEM

344599 Assertion :
The autotrophic components include the phytoplankton, some algae and the floating, submerged and marginal plants found at the edges.
Reason :
The decomposers are the fungi, bacteria and flagellates especially abundant on the surface of the pond.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.