STD 11 - 11. photosynthesis in higher plants — NEET STD 11 Science — Question

$(a)$ In equisetum the female gametophyte is retained on the parent sporophyte.

$(b)$ In Ginkgo male gametophyte is not independent.

$(c)$ The sporophyte in Riccia is more developed than that in Polytrichum.

$(d)$ Sexual reproduction in Volvox is isogamous.

$(e)$ The spores of slime molds lack cell walls.

How many of the above statement are correct?

$(1)$ Zooplanktons are primary producers in an aquatic ecosystem.

$(2)$ Decomposition is largely an oxygen requiring process.

$(3)$ In a natural ecosystem, fishes, wolf, etc. are carnivore.

$(4)$ The amount of energy decreases in each successive trophic level.