Match following columns. Column - I Column - II (a) Phytoplankton, grass (p) First trophic level (b)

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12.Ecosystem

medium

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

$a-p, b-q, c-r, d-s $

$a-s, b-r, c-q, d-p $

$a-p, b-r, c-q, d-s$

$a-p, b-s, c-q, d-r$

Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Standard 12

Biology

hard

medium

medium

medium

medium

(AIIMS-2011)

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