Which of the following lacks both roots and s | vedclass

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Question

(A) The correct answer is $A$. In certain submerged hydrophytes,such as $Wolffia$,roots are completely absent. Furthermore,submerged hydrophytes lack

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Hydrophytes

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(A) The correct answer is $A$. In certain submerged hydrophytes,such as $Wolffia$,roots are completely absent. Furthermore,submerged hydrophytes lack stomata because they absorb water and gases directly through their body surface. While some floating hydrophytes possess stomata on their upper surface,submerged hydrophytes generally lack them entirely to prevent water loss or because they are not needed for gas exchange in an aquatic environment.

Column-$I$	Column-$II$
$P$. Oogamous	$I$. Spirogyra,Chlamydomonas
$Q$. Anisogamous	$II$. Volvox,Fucus
$R$. Isogamous	$III$. Some species of Chlamydomonas

Column-$I$	Column-$II$
$A$. Blue-green algae	$i$. Spirogyra
$B$. Unicellular algae	$ii$. Nostoc
$C$. Filamentous algae	$iii$. Volvox
$D$. Colonial algae	$iv$. Chlamydomonas

Which of the following lacks both roots and stomata?

Similar Questions

Which of the following is an unsuitable habitat for algae?

Agar,which is used in the growth of microorganisms and in the preparation of ice creams and jellies,is obtained from:

Match the following columns:

Column-$I$ Column-$II$

$P$. Oogamous $I$. Spirogyra,Chlamydomonas

$Q$. Anisogamous $II$. Volvox,Fucus

$R$. Isogamous $III$. Some species of Chlamydomonas

From which of the following algae,agar-agar is commercially extracted?
$I.$ Gracilaria $II.$ Fucus $III.$ Sargassum $IV.$ Gelidium $V.$ Turbinaria

Match the following columns:
Column-$I$ Column-$II$
$A$. Blue-green algae $i$. Spirogyra
$B$. Unicellular algae $ii$. Nostoc
$C$. Filamentous algae $iii$. Volvox
$D$. Colonial algae $iv$. Chlamydomonas

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