Which of the following statements is incorrec | vedclass

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Question

(B) The correct statement is that algin is obtained from brown algae (Phaeophyceae) and carrageenan is obtained from red algae (Rhodophyceae). Option

Vedclass · Accepted Answer

Algin is obtained from red algae and carrageenan from brown algae.

Vedclass · Answer

(B) The correct statement is that algin is obtained from brown algae (Phaeophyceae) and carrageenan is obtained from red algae (Rhodophyceae). Option $B$ states the reverse,making it the incorrect statement. Algae are photosynthetic and release $O_2$ into the water,increasing dissolved oxygen levels. $Gelidium$ and $Gracilaria$ are red algae used to produce agar. Many species of $Laminaria$ and $Sargassum$ are consumed as food by humans.

Column-$I$	Column-$II$
$P$. Chlorophyceae	$I$. $2$, unequal lateral flagella
$Q$. Phaeophyceae	$II$. Flagella absent
$R$. Rhodophyceae	$III$. $2-8$, equal apical flagella

Which of the following statements is incorrect?

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Presence of a basal rhizoidal cell in $Ulothrix$ is an example of:

Which of the following groups reproduces sexually by non-motile gametes?

Match the following columns:
Column-$I$ Column-$II$
$P$. Chlorophyceae $I$. $2$, unequal lateral flagella
$Q$. Phaeophyceae $II$. Flagella absent
$R$. Rhodophyceae $III$. $2-8$, equal apical flagella

Which plant group is considered 'thalloid' (lacking true roots, stems, and leaves)?

Select the correct option for the given plant.

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