CBSE Class 11 Science: Plant Kingdom FAQs

The taxonomic rank that includes algae, bryophytes, pteridophytes, gymnosperms and angiosperms is the plant kingdom or Kingdom Plantae.

The very first land plants appeared roughly 470 million years ago.

Blue-green algae and lichens were once considered part of the plant kingdom but are now classified differently.

<p>Plants, in a strict sense, are technically organisms that include green algae and land plants and possess chlorophyll a and b, have plastids bound by two membranes, and are capable of photosynthesis and storing starch.</p> Signup and view all the answers

<p>Historically, organisms that could not be classified under animals were grouped under plants.</p> Signup and view all the answers

<p>The text suggests that the historical classification of organisms into the plant kingdom was flawed and based on incorrect reasoning.</p> Signup and view all the answers