Identify the false statement.

  • A
    Water hyacinth flowers are light purple in color.
  • B
    Water hyacinth is an aquatic weed.
  • C
    Water hyacinth was introduced in India due to its pollutant-indicator property.
  • D
    Water hyacinth causes an imbalance in the ecosystem dynamics of water bodies.

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Similar Questions

Which one of the following is a monocarpic tree?

Gametes are generally ...... .

$A$: More than one pollen tube can enter an embryo sac.
$R$: Double fertilization can occur by contribution of gametes from different pollen.

Assertion $(S)$: Death is a meaningful event.
Reason $(R)$: Death keeps the number of organisms of each species limited.
$(A)$ Both $S$ and $R$ are true,$R$ is the correct explanation of $S$.
$(B)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(C)$ $S$ is true and $R$ is false.
$(D)$ $S$ is false and $R$ is true.

Match Column-$I$ with Column-$II$ and select the correct option using the codes given below:
Column-$I$ Column-$II$
$(A)$ Pistils fused together $(1)$ Gametogenesis
$(B)$ Formation of gametes $(2)$ Monocarpellary
$(C)$ Hyphae of higher Ascomycetes $(3)$ Syncarpous
$(D)$ Unisexual female flower $(4)$ Dikaryotic

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