STD 11 - 13. Plant growth and development — NEET STD 11 Science — Question

$(1)$ 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.

$1.$ meiosis is important process for evolution.

$2.$ in meiosis $-II$ mother cell is haploid.

$3.$ In anaphase $-II$ homologous chromosomes are differentiate.

$4.$ after meiosis, each daughter cell has same $DNA$ strands.

$(a)$ Lecithin found in the plasma membrane is a glycolipid

$(b)$ Saturated fatty acids possess one or more $c = c$ bonds

$(c)$ Gingely oil has lower melting point, hence remains as oil in winter

$(d)$ Lipids are generally insoluble in water but soluble in some organic solvents

$(e)$ When fatty acid is esterified with glycerol, monoglycerides are formed

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