NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII14: ECOSYSTEM
344654
Why algae are placed first in the food chain?
1 Algae is first to consume food
2 Algae is a producer
3 Every living organism can utilize food
4 Algae is a decomposer
Explanation:
Algae are the producers. Primary consumers depend on them for food. So algae are placed first in food chain
BIOXII14: ECOSYSTEM
344655
Select the incorrect statement
1 Energy captured by plants does not revert back to solar input
2 Energy flow is greatly reduced from T1 to \(\mathrm{T} 2\) level but increses from T2 to T4 level
3 Energy flow is unidirectional
4 Pyramid of energy in always up right.
Explanation:
There is a reduction in the amount of energy passing from one trophic level to another because at each step in food chain . Food is broken down to release energy and only a small amount of energy will enter body of organism. Hence there will be reduction in amount of energy from T2 to T4 level.
BIOXII14: ECOSYSTEM
344656
Which of the following organisms are producers?
1 Plants and phytoplanktons
2 Plants and zooplanktons
3 Zooplanktons and phytoplanktons
4 Phytoplanktons and detritivores
Explanation:
Plants and phytoplanktons are autotrophs producers
BIOXII14: ECOSYSTEM
344659
Statement A : Recycling of materials is must for maintenance of biosphere. Statement B : Energy flows bidirectionally in a food chain
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
344654
Why algae are placed first in the food chain?
1 Algae is first to consume food
2 Algae is a producer
3 Every living organism can utilize food
4 Algae is a decomposer
Explanation:
Algae are the producers. Primary consumers depend on them for food. So algae are placed first in food chain
BIOXII14: ECOSYSTEM
344655
Select the incorrect statement
1 Energy captured by plants does not revert back to solar input
2 Energy flow is greatly reduced from T1 to \(\mathrm{T} 2\) level but increses from T2 to T4 level
3 Energy flow is unidirectional
4 Pyramid of energy in always up right.
Explanation:
There is a reduction in the amount of energy passing from one trophic level to another because at each step in food chain . Food is broken down to release energy and only a small amount of energy will enter body of organism. Hence there will be reduction in amount of energy from T2 to T4 level.
BIOXII14: ECOSYSTEM
344656
Which of the following organisms are producers?
1 Plants and phytoplanktons
2 Plants and zooplanktons
3 Zooplanktons and phytoplanktons
4 Phytoplanktons and detritivores
Explanation:
Plants and phytoplanktons are autotrophs producers
BIOXII14: ECOSYSTEM
344659
Statement A : Recycling of materials is must for maintenance of biosphere. Statement B : Energy flows bidirectionally in a food chain
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
344654
Why algae are placed first in the food chain?
1 Algae is first to consume food
2 Algae is a producer
3 Every living organism can utilize food
4 Algae is a decomposer
Explanation:
Algae are the producers. Primary consumers depend on them for food. So algae are placed first in food chain
BIOXII14: ECOSYSTEM
344655
Select the incorrect statement
1 Energy captured by plants does not revert back to solar input
2 Energy flow is greatly reduced from T1 to \(\mathrm{T} 2\) level but increses from T2 to T4 level
3 Energy flow is unidirectional
4 Pyramid of energy in always up right.
Explanation:
There is a reduction in the amount of energy passing from one trophic level to another because at each step in food chain . Food is broken down to release energy and only a small amount of energy will enter body of organism. Hence there will be reduction in amount of energy from T2 to T4 level.
BIOXII14: ECOSYSTEM
344656
Which of the following organisms are producers?
1 Plants and phytoplanktons
2 Plants and zooplanktons
3 Zooplanktons and phytoplanktons
4 Phytoplanktons and detritivores
Explanation:
Plants and phytoplanktons are autotrophs producers
BIOXII14: ECOSYSTEM
344659
Statement A : Recycling of materials is must for maintenance of biosphere. Statement B : Energy flows bidirectionally in a food chain
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
344654
Why algae are placed first in the food chain?
1 Algae is first to consume food
2 Algae is a producer
3 Every living organism can utilize food
4 Algae is a decomposer
Explanation:
Algae are the producers. Primary consumers depend on them for food. So algae are placed first in food chain
BIOXII14: ECOSYSTEM
344655
Select the incorrect statement
1 Energy captured by plants does not revert back to solar input
2 Energy flow is greatly reduced from T1 to \(\mathrm{T} 2\) level but increses from T2 to T4 level
3 Energy flow is unidirectional
4 Pyramid of energy in always up right.
Explanation:
There is a reduction in the amount of energy passing from one trophic level to another because at each step in food chain . Food is broken down to release energy and only a small amount of energy will enter body of organism. Hence there will be reduction in amount of energy from T2 to T4 level.
BIOXII14: ECOSYSTEM
344656
Which of the following organisms are producers?
1 Plants and phytoplanktons
2 Plants and zooplanktons
3 Zooplanktons and phytoplanktons
4 Phytoplanktons and detritivores
Explanation:
Plants and phytoplanktons are autotrophs producers
BIOXII14: ECOSYSTEM
344659
Statement A : Recycling of materials is must for maintenance of biosphere. Statement B : Energy flows bidirectionally in a food chain
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
