A : Majority of bacteria are autotrophs.R : C | vedclass

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Question

(D) The Assertion is incorrect because the majority of bacteria are heterotrophs,not autotrophs. They depend on other organisms or on dead organic mat

Vedclass · Accepted Answer

Both Assertion and Reason are incorrect.

Vedclass · Answer

(D) The Assertion is incorrect because the majority of bacteria are heterotrophs,not autotrophs. They depend on other organisms or on dead organic matter for food.The Reason is also incorrect because chemoheterotrophic nutrition is,in fact,the most common mode of nutrition in bacteria. Many bacteria are saprophytes or parasites that obtain energy and carbon from organic compounds.Therefore,both the Assertion and the Reason are incorrect.

Column-$I$ (Bacteria)	Column-$II$ (Shape)
$A$. Coccus	$iii$. Spherical
$B$. Bacillus	$i$. Rod-shaped
$C$. Vibrio	$iv$. Comma-shaped
$D$. Spirillum	$ii$. Spiral

$A$ : Majority of bacteria are autotrophs.
$R$ : Chemoheterotrophic nutrition is absent in bacteria.

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Match Column-$I$ with Column-$II$ and choose the correct option given below:
Column-$I$ (Bacteria) Column-$II$ (Shape)
$A$. Coccus $iii$. Spherical
$B$. Bacillus $i$. Rod-shaped
$C$. Vibrio $iv$. Comma-shaped
$D$. Spirillum $ii$. Spiral

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$A$ : Majority of bacteria are autotrophs.$R$ : Chemoheterotrophic nutrition is absent in bacteria.