BTS 23
Ecosystem

263051 Which of the following acts as "nature's scavengers"
[NCERT - NC-II- 210,211]#
[NCERT - ]#

1 Man
2 Animals
3 Insects
4 Micro-organisms
Ecosystem

263052 Which of the following representations shows the pyramid of biomass in a sea ecosystem : A. B. C. D.

[NCERT - NC-II-212]

1 D
2 A
3 B
4 C
Ecosystem

263063 The mass of living material at a trophic level at a particular time is called
[NCERT - AI -PMT 2015 I]#
[NCERT - ]#

1 Net primary productivity
2 Standing crop
3 Gross primary productivity
4 Standing state.
Ecosystem

263064 Which of the folowing ecological pyramid is generally inverted
[NCERT - PYQ 2019]#
[NCERT - ]#

1 Pyramids of number
2 Pyramid of energy
3 Pyramid of biomass in forest
4 Pyramid of biomass in sea
Ecosystem

263066 Retroviruses in animals have the ability to :
[NCERT - NC-II-170]#
[NCERT - ]#

1 Transfer normal cells into cancerous cells
2 Cancerous cells into normal cells
3 Replication in normal cells
4 Transformation in bacterial pathogens
Ecosystem

263051 Which of the following acts as "nature's scavengers"
[NCERT - NC-II- 210,211]#
[NCERT - ]#

1 Man
2 Animals
3 Insects
4 Micro-organisms
Ecosystem

263052 Which of the following representations shows the pyramid of biomass in a sea ecosystem : A. B. C. D.

[NCERT - NC-II-212]

1 D
2 A
3 B
4 C
Ecosystem

263063 The mass of living material at a trophic level at a particular time is called
[NCERT - AI -PMT 2015 I]#
[NCERT - ]#

1 Net primary productivity
2 Standing crop
3 Gross primary productivity
4 Standing state.
Ecosystem

263064 Which of the folowing ecological pyramid is generally inverted
[NCERT - PYQ 2019]#
[NCERT - ]#

1 Pyramids of number
2 Pyramid of energy
3 Pyramid of biomass in forest
4 Pyramid of biomass in sea
Ecosystem

263066 Retroviruses in animals have the ability to :
[NCERT - NC-II-170]#
[NCERT - ]#

1 Transfer normal cells into cancerous cells
2 Cancerous cells into normal cells
3 Replication in normal cells
4 Transformation in bacterial pathogens
Ecosystem

263051 Which of the following acts as "nature's scavengers"
[NCERT - NC-II- 210,211]#
[NCERT - ]#

1 Man
2 Animals
3 Insects
4 Micro-organisms
Ecosystem

263052 Which of the following representations shows the pyramid of biomass in a sea ecosystem : A. B. C. D.

[NCERT - NC-II-212]

1 D
2 A
3 B
4 C
Ecosystem

263063 The mass of living material at a trophic level at a particular time is called
[NCERT - AI -PMT 2015 I]#
[NCERT - ]#

1 Net primary productivity
2 Standing crop
3 Gross primary productivity
4 Standing state.
Ecosystem

263064 Which of the folowing ecological pyramid is generally inverted
[NCERT - PYQ 2019]#
[NCERT - ]#

1 Pyramids of number
2 Pyramid of energy
3 Pyramid of biomass in forest
4 Pyramid of biomass in sea
Ecosystem

263066 Retroviruses in animals have the ability to :
[NCERT - NC-II-170]#
[NCERT - ]#

1 Transfer normal cells into cancerous cells
2 Cancerous cells into normal cells
3 Replication in normal cells
4 Transformation in bacterial pathogens
Ecosystem

263051 Which of the following acts as "nature's scavengers"
[NCERT - NC-II- 210,211]#
[NCERT - ]#

1 Man
2 Animals
3 Insects
4 Micro-organisms
Ecosystem

263052 Which of the following representations shows the pyramid of biomass in a sea ecosystem : A. B. C. D.

[NCERT - NC-II-212]

1 D
2 A
3 B
4 C
Ecosystem

263063 The mass of living material at a trophic level at a particular time is called
[NCERT - AI -PMT 2015 I]#
[NCERT - ]#

1 Net primary productivity
2 Standing crop
3 Gross primary productivity
4 Standing state.
Ecosystem

263064 Which of the folowing ecological pyramid is generally inverted
[NCERT - PYQ 2019]#
[NCERT - ]#

1 Pyramids of number
2 Pyramid of energy
3 Pyramid of biomass in forest
4 Pyramid of biomass in sea
Ecosystem

263066 Retroviruses in animals have the ability to :
[NCERT - NC-II-170]#
[NCERT - ]#

1 Transfer normal cells into cancerous cells
2 Cancerous cells into normal cells
3 Replication in normal cells
4 Transformation in bacterial pathogens
Ecosystem

263051 Which of the following acts as "nature's scavengers"
[NCERT - NC-II- 210,211]#
[NCERT - ]#

1 Man
2 Animals
3 Insects
4 Micro-organisms
Ecosystem

263052 Which of the following representations shows the pyramid of biomass in a sea ecosystem : A. B. C. D.

[NCERT - NC-II-212]

1 D
2 A
3 B
4 C
Ecosystem

263063 The mass of living material at a trophic level at a particular time is called
[NCERT - AI -PMT 2015 I]#
[NCERT - ]#

1 Net primary productivity
2 Standing crop
3 Gross primary productivity
4 Standing state.
Ecosystem

263064 Which of the folowing ecological pyramid is generally inverted
[NCERT - PYQ 2019]#
[NCERT - ]#

1 Pyramids of number
2 Pyramid of energy
3 Pyramid of biomass in forest
4 Pyramid of biomass in sea
Ecosystem

263066 Retroviruses in animals have the ability to :
[NCERT - NC-II-170]#
[NCERT - ]#

1 Transfer normal cells into cancerous cells
2 Cancerous cells into normal cells
3 Replication in normal cells
4 Transformation in bacterial pathogens