344703
Statement A : The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing crop. Statement B : Nutrients are always lost from the ecosystems.
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.
Explanation:
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing state. nutrients are never lost from the ecosystems.
BIOXII14: ECOSYSTEM
344704
Phosphorus is a major constituent of i. Biological membranes ii. Nucleic acids iii. Cellular energy transfer systems iv. Shells, bones and teeth. v. Enzymes vi. Proteins
1 i, ii, iv, v
2 i, ii, iii, vi
3 i, ii, iii, iv
4 i, ii, iv, v
Explanation:
Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer systems. Animals need phosphorus for teeth , bones and shell formation.
BIOXII14: ECOSYSTEM
344705
In an ecosystem, which of the following changes its form?
1 Potassium
2 Carbon
3 Free energy
4 Oxygen
Explanation:
Free energy keeps changing its form from one to another.
BIOXII14: ECOSYSTEM
344706
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
1 Phosphorus
2 Nitrogen
3 Sulphur
4 All of the above
Explanation:
In carbon cycle, the losses due to respiration is seen.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344707
The amount to nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
1 Climax
2 Climax community
3 Standing state
4 Standing crop
Explanation:
Standing state is defined as the amount of inorganic nutrients present in an ecosystem.
344703
Statement A : The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing crop. Statement B : Nutrients are always lost from the ecosystems.
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.
Explanation:
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing state. nutrients are never lost from the ecosystems.
BIOXII14: ECOSYSTEM
344704
Phosphorus is a major constituent of i. Biological membranes ii. Nucleic acids iii. Cellular energy transfer systems iv. Shells, bones and teeth. v. Enzymes vi. Proteins
1 i, ii, iv, v
2 i, ii, iii, vi
3 i, ii, iii, iv
4 i, ii, iv, v
Explanation:
Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer systems. Animals need phosphorus for teeth , bones and shell formation.
BIOXII14: ECOSYSTEM
344705
In an ecosystem, which of the following changes its form?
1 Potassium
2 Carbon
3 Free energy
4 Oxygen
Explanation:
Free energy keeps changing its form from one to another.
BIOXII14: ECOSYSTEM
344706
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
1 Phosphorus
2 Nitrogen
3 Sulphur
4 All of the above
Explanation:
In carbon cycle, the losses due to respiration is seen.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344707
The amount to nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
1 Climax
2 Climax community
3 Standing state
4 Standing crop
Explanation:
Standing state is defined as the amount of inorganic nutrients present in an ecosystem.
344703
Statement A : The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing crop. Statement B : Nutrients are always lost from the ecosystems.
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.
Explanation:
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing state. nutrients are never lost from the ecosystems.
BIOXII14: ECOSYSTEM
344704
Phosphorus is a major constituent of i. Biological membranes ii. Nucleic acids iii. Cellular energy transfer systems iv. Shells, bones and teeth. v. Enzymes vi. Proteins
1 i, ii, iv, v
2 i, ii, iii, vi
3 i, ii, iii, iv
4 i, ii, iv, v
Explanation:
Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer systems. Animals need phosphorus for teeth , bones and shell formation.
BIOXII14: ECOSYSTEM
344705
In an ecosystem, which of the following changes its form?
1 Potassium
2 Carbon
3 Free energy
4 Oxygen
Explanation:
Free energy keeps changing its form from one to another.
BIOXII14: ECOSYSTEM
344706
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
1 Phosphorus
2 Nitrogen
3 Sulphur
4 All of the above
Explanation:
In carbon cycle, the losses due to respiration is seen.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344707
The amount to nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
1 Climax
2 Climax community
3 Standing state
4 Standing crop
Explanation:
Standing state is defined as the amount of inorganic nutrients present in an ecosystem.
344703
Statement A : The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing crop. Statement B : Nutrients are always lost from the ecosystems.
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.
Explanation:
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing state. nutrients are never lost from the ecosystems.
BIOXII14: ECOSYSTEM
344704
Phosphorus is a major constituent of i. Biological membranes ii. Nucleic acids iii. Cellular energy transfer systems iv. Shells, bones and teeth. v. Enzymes vi. Proteins
1 i, ii, iv, v
2 i, ii, iii, vi
3 i, ii, iii, iv
4 i, ii, iv, v
Explanation:
Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer systems. Animals need phosphorus for teeth , bones and shell formation.
BIOXII14: ECOSYSTEM
344705
In an ecosystem, which of the following changes its form?
1 Potassium
2 Carbon
3 Free energy
4 Oxygen
Explanation:
Free energy keeps changing its form from one to another.
BIOXII14: ECOSYSTEM
344706
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
1 Phosphorus
2 Nitrogen
3 Sulphur
4 All of the above
Explanation:
In carbon cycle, the losses due to respiration is seen.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344707
The amount to nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
1 Climax
2 Climax community
3 Standing state
4 Standing crop
Explanation:
Standing state is defined as the amount of inorganic nutrients present in an ecosystem.
344703
Statement A : The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing crop. Statement B : Nutrients are always lost from the ecosystems.
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.
Explanation:
The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, etc., present in the soil at any given time, is referred to as the standing state. nutrients are never lost from the ecosystems.
BIOXII14: ECOSYSTEM
344704
Phosphorus is a major constituent of i. Biological membranes ii. Nucleic acids iii. Cellular energy transfer systems iv. Shells, bones and teeth. v. Enzymes vi. Proteins
1 i, ii, iv, v
2 i, ii, iii, vi
3 i, ii, iii, iv
4 i, ii, iv, v
Explanation:
Phosphorus is a major constituent of biological membranes, nucleic acids and cellular energy transfer systems. Animals need phosphorus for teeth , bones and shell formation.
BIOXII14: ECOSYSTEM
344705
In an ecosystem, which of the following changes its form?
1 Potassium
2 Carbon
3 Free energy
4 Oxygen
Explanation:
Free energy keeps changing its form from one to another.
BIOXII14: ECOSYSTEM
344706
Among the following bio-geo-chemical cycles which one does not have losses due to respiration?
1 Phosphorus
2 Nitrogen
3 Sulphur
4 All of the above
Explanation:
In carbon cycle, the losses due to respiration is seen.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344707
The amount to nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
1 Climax
2 Climax community
3 Standing state
4 Standing crop
Explanation:
Standing state is defined as the amount of inorganic nutrients present in an ecosystem.
