How many sentence are correct?
$(1)$ The trophic levels in $GFC$ are unlimited
$(2)$ Organisms at each trophic level depend on those at the higher trophic level for their energy demands.
$(3)$ Plants capture only $2 -10$ percent of $PAR$.
$(4)$ All organisms are dependent for their food on producers, either directly or indirectly.
How many sentence are correct?
$(1)$ The trophic levels in $GFC$ are unlimited
$(2)$ Organisms at each trophic level depend on those at the higher trophic level for their energy demands.
$(3)$ Plants capture only $2 -10$ percent of $PAR$.
$(4)$ All organisms are dependent for their food on producers, either directly or indirectly.
- A
$3$
- B
$2$
- C
$4$
- D
$1$
Similar Questions
Major conduit of energy in land and aquatic ecosystem is transferred through ______ and ______ respectively.
Major conduit of energy in land and aquatic ecosystem is transferred through ______ and ______ respectively.
Which of the following in an ecosystem exhibits one-way flow rather than cyclic flow
Which of the following in an ecosystem exhibits one-way flow rather than cyclic flow
$A$- Grasshopper is included in primary consumer.
$R$- Fishes and birds are included in top carnivore.
$A$- Grasshopper is included in primary consumer.
$R$- Fishes and birds are included in top carnivore.
Total energy fixed by an ecosystem is called
Total energy fixed by an ecosystem is called
Match the following columns.
Column $- I$
Column $- II$
$(a)$ Phytoplankton, grass
$(p)$ First trophic level
$(b)$ Man, Lion
$(q)$ Herbivore
$(c)$ Zooplankton, Cow, Grasshopper
$(r)$ Third trophic level
$(d)$ Birds, Wolf
$(s)$ Top carnivore
Match the following columns.
| Column $- I$ | Column $- II$ |
| $(a)$ Phytoplankton, grass | $(p)$ First trophic level |
| $(b)$ Man, Lion | $(q)$ Herbivore |
| $(c)$ Zooplankton, Cow, Grasshopper | $(r)$ Third trophic level |
| $(d)$ Birds, Wolf | $(s)$ Top carnivore |