Productivity
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BIOXII14: ECOSYSTEM

344733 Arrange the following ecosystems in increasing order of their mean NPP (tons/ha/ year)
i. Temperate coniferous forest
ii. Temperate deciduous forest
iii. Tropical deciduous forest
iv. Tropical rain forest

1 i < ii < iii < iv
2 ii < iii < i < iv
3 i < iv < ii < iv
4 ii < i < iv < iii
BIOXII14: ECOSYSTEM

344718 The following table shows net productivities of various trophic levels in one ecosystem in Silver Springs, Florida receiving sunlight at a rate of \({\rm{1,700,000}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\).
\({\rm{Primaryproducers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{7168}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Primaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{1103}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Secondaryconsumers111}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Tertiaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{5}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
The efficiency energy transfer is the highest between

1 Primary producers and primary consumers
2 Primary consumers and secondary consumers
3 Solar energy and primary producers
4 Secondary consumers and tertiary consumers
BIOXII14: ECOSYSTEM

344719 Statement A :
Net primary productivity is greater than the gross primary productivity.
Statement B :
A part of net primary productivity goes waste during respiration.

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

344720 Net primary productivity is equal to

1 Organic matter synthesised by photosynthesis only
2 Organic matter synthesised by photosynthesis minus utilisation in respiration and other losses
3 Rate of respiration
4 Rate of respiration + photosynthesis
BIOXII14: ECOSYSTEM

344721 The annual net primary productivity of the biosphere is approximately

1 170 billion tons
2 55 billion tons
3 170 million tons
4 55 million tons
KCET - 2024
NEET DIGITAL LIBRARY
BIOXII14: ECOSYSTEM

344733 Arrange the following ecosystems in increasing order of their mean NPP (tons/ha/ year)
i. Temperate coniferous forest
ii. Temperate deciduous forest
iii. Tropical deciduous forest
iv. Tropical rain forest

1 i < ii < iii < iv
2 ii < iii < i < iv
3 i < iv < ii < iv
4 ii < i < iv < iii
BIOXII14: ECOSYSTEM

344718 The following table shows net productivities of various trophic levels in one ecosystem in Silver Springs, Florida receiving sunlight at a rate of \({\rm{1,700,000}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\).
\({\rm{Primaryproducers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{7168}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Primaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{1103}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Secondaryconsumers111}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Tertiaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{5}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
The efficiency energy transfer is the highest between

1 Primary producers and primary consumers
2 Primary consumers and secondary consumers
3 Solar energy and primary producers
4 Secondary consumers and tertiary consumers
BIOXII14: ECOSYSTEM

344719 Statement A :
Net primary productivity is greater than the gross primary productivity.
Statement B :
A part of net primary productivity goes waste during respiration.

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

344720 Net primary productivity is equal to

1 Organic matter synthesised by photosynthesis only
2 Organic matter synthesised by photosynthesis minus utilisation in respiration and other losses
3 Rate of respiration
4 Rate of respiration + photosynthesis
BIOXII14: ECOSYSTEM

344721 The annual net primary productivity of the biosphere is approximately

1 170 billion tons
2 55 billion tons
3 170 million tons
4 55 million tons
KCET - 2024
Join With Us for More Updates
BIOXII14: ECOSYSTEM

344733 Arrange the following ecosystems in increasing order of their mean NPP (tons/ha/ year)
i. Temperate coniferous forest
ii. Temperate deciduous forest
iii. Tropical deciduous forest
iv. Tropical rain forest

1 i < ii < iii < iv
2 ii < iii < i < iv
3 i < iv < ii < iv
4 ii < i < iv < iii
BIOXII14: ECOSYSTEM

344718 The following table shows net productivities of various trophic levels in one ecosystem in Silver Springs, Florida receiving sunlight at a rate of \({\rm{1,700,000}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\).
\({\rm{Primaryproducers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{7168}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Primaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{1103}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Secondaryconsumers111}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Tertiaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{5}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
The efficiency energy transfer is the highest between

1 Primary producers and primary consumers
2 Primary consumers and secondary consumers
3 Solar energy and primary producers
4 Secondary consumers and tertiary consumers
BIOXII14: ECOSYSTEM

344719 Statement A :
Net primary productivity is greater than the gross primary productivity.
Statement B :
A part of net primary productivity goes waste during respiration.

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

344720 Net primary productivity is equal to

1 Organic matter synthesised by photosynthesis only
2 Organic matter synthesised by photosynthesis minus utilisation in respiration and other losses
3 Rate of respiration
4 Rate of respiration + photosynthesis
BIOXII14: ECOSYSTEM

344721 The annual net primary productivity of the biosphere is approximately

1 170 billion tons
2 55 billion tons
3 170 million tons
4 55 million tons
KCET - 2024
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
BIOXII14: ECOSYSTEM

344733 Arrange the following ecosystems in increasing order of their mean NPP (tons/ha/ year)
i. Temperate coniferous forest
ii. Temperate deciduous forest
iii. Tropical deciduous forest
iv. Tropical rain forest

1 i < ii < iii < iv
2 ii < iii < i < iv
3 i < iv < ii < iv
4 ii < i < iv < iii
BIOXII14: ECOSYSTEM

344718 The following table shows net productivities of various trophic levels in one ecosystem in Silver Springs, Florida receiving sunlight at a rate of \({\rm{1,700,000}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\).
\({\rm{Primaryproducers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{7168}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Primaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{1103}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Secondaryconsumers111}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Tertiaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{5}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
The efficiency energy transfer is the highest between

1 Primary producers and primary consumers
2 Primary consumers and secondary consumers
3 Solar energy and primary producers
4 Secondary consumers and tertiary consumers
BIOXII14: ECOSYSTEM

344719 Statement A :
Net primary productivity is greater than the gross primary productivity.
Statement B :
A part of net primary productivity goes waste during respiration.

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

344720 Net primary productivity is equal to

1 Organic matter synthesised by photosynthesis only
2 Organic matter synthesised by photosynthesis minus utilisation in respiration and other losses
3 Rate of respiration
4 Rate of respiration + photosynthesis
BIOXII14: ECOSYSTEM

344721 The annual net primary productivity of the biosphere is approximately

1 170 billion tons
2 55 billion tons
3 170 million tons
4 55 million tons
KCET - 2024
NEET DIGITAL LIBRARY
BIOXII14: ECOSYSTEM

344733 Arrange the following ecosystems in increasing order of their mean NPP (tons/ha/ year)
i. Temperate coniferous forest
ii. Temperate deciduous forest
iii. Tropical deciduous forest
iv. Tropical rain forest

1 i < ii < iii < iv
2 ii < iii < i < iv
3 i < iv < ii < iv
4 ii < i < iv < iii
BIOXII14: ECOSYSTEM

344718 The following table shows net productivities of various trophic levels in one ecosystem in Silver Springs, Florida receiving sunlight at a rate of \({\rm{1,700,000}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\).
\({\rm{Primaryproducers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{7168}}\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Primaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{1103}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Secondaryconsumers111}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
\({\rm{Tertiaryconsumers}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\rm{5}}\,\,{\rm{kcal/}}{{\rm{m}}^{\rm{2}}}{\rm{/yr}}\)
The efficiency energy transfer is the highest between

1 Primary producers and primary consumers
2 Primary consumers and secondary consumers
3 Solar energy and primary producers
4 Secondary consumers and tertiary consumers
BIOXII14: ECOSYSTEM

344719 Statement A :
Net primary productivity is greater than the gross primary productivity.
Statement B :
A part of net primary productivity goes waste during respiration.

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

344720 Net primary productivity is equal to

1 Organic matter synthesised by photosynthesis only
2 Organic matter synthesised by photosynthesis minus utilisation in respiration and other losses
3 Rate of respiration
4 Rate of respiration + photosynthesis
BIOXII14: ECOSYSTEM

344721 The annual net primary productivity of the biosphere is approximately

1 170 billion tons
2 55 billion tons
3 170 million tons
4 55 million tons
KCET - 2024