The monoecious plant of Chara shows the occur | vedclass

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(B) The correct answer is $B$. $Chara$ is a monoecious plant,meaning both male and female sex organs are present on the same individual plant. The mal

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upper oogonium and lower antheridium on the same plant

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(B) The correct answer is $B$. $Chara$ is a monoecious plant,meaning both male and female sex organs are present on the same individual plant. The male sex organ is called the $antheridium$ (or $globule$),and the female sex organ is called the $oogonium$ (or $nucule$). In $Chara$,these reproductive structures are borne at the nodes of the branches. The $oogonium$ is positioned towards the upper side,while the $antheridium$ is positioned towards the lower side on the same plant.

Column $I$	Column $II$
$a.$ Shallowest depth	$(i)$ Green algae
$b.$ Intermediate depth	$(ii)$ Brown algae
$c.$ Greatest depth	$(iii)$ Red algae

The monoecious plant of $Chara$ shows the occurrence of:

Similar Questions

Match Column $I$ with Column $II$ and choose the correct option:

Column $I$ Column $II$

$a.$ Shallowest depth $(i)$ Green algae

$b.$ Intermediate depth $(ii)$ Brown algae

$c.$ Greatest depth $(iii)$ Red algae

'Pond silk' is the common name of

Which of the following is an example of a unicellular plant?

Match the following classes of algae with their characteristic colours:
$A.$ Cyanophyceae $a.$ Green colour
$B.$ Chlorophyceae $b.$ Blue-green colour
$C.$ Phaeophyceae $c.$ Red colour
$D.$ Rhodophyceae $d.$ Brown colour

Which group of organisms was the first to exist on Earth among the given options?

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