Photosynthetic bacteria evolved on earth abou | vedclass

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(B) The correct answer is $B$. Photosynthetic bacteria,such as cyanobacteria,are believed to have evolved during the Archeozoic era. Geological eviden

Vedclass · Accepted Answer

$3000$ to $3300$

Vedclass · Answer

(B) The correct answer is $B$. Photosynthetic bacteria,such as cyanobacteria,are believed to have evolved during the Archeozoic era. Geological evidence and fossil records indicate that these organisms were present on Earth approximately $3000$ to $3300$ million years ago. These early photosynthetic organisms played a crucial role in oxygenating the Earth's atmosphere.

Column-$I$	Column-$II$
$A$. Robert Hooke	$1$. Mutation theory
$B$. Charles Darwin	$2$. Swan-necked flask experiment
$C$. Hugo de Vries	$3$. Origin of species
$D$. Louis Pasteur	$4$. Micrographia

Photosynthetic bacteria evolved on earth about ....... million years ago.

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Select the wrong pair.

Match the following and choose the correct combination from the options given.

Column-$I$ Column-$II$

$A$. Robert Hooke $1$. Mutation theory

$B$. Charles Darwin $2$. Swan-necked flask experiment

$C$. Hugo de Vries $3$. Origin of species

$D$. Louis Pasteur $4$. Micrographia

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