Question

Compare salient features of monera & protista.

CLASS - XI BIOLOGY (Biological Classification)

Answer 1

monera ::
1.They are typically single celled and microscopic.
2.They may have rigid cell wall.
3.DNA is circular and naked.
4.DNA is not enclosed by nuclear envelope.
5.Ribosomes are present and they are 70s type.
6.Respiration is aerobic or anaerobic.
7.The mode of nutrients is autotrophic.
protista:
1.These are single celled microscopic organisms.
2.These are eukaryotes.
3.They have membrane bound organells.
4.Some protists have rigid cell wall.
5.Cilia or flagella are useful for locomotion.
6.Nutrition is autotrophic or heterotrophic.
7.They include solitary or colonial forms.

Answer 2

Monera :
1. Monerans are unicellular organisms’ exhibiting prokaryotic cellular organization.
2. Reproduction is only by asexual means.
3. They usually do not possess cilia, flagella, pseudopodia (except some bacteria).
Ex. Bacteria, Cyanobacteria.
Protista :
1. Protista are unicellular organisms but exhibit eukaryotic cellular organization.
2. Reproduction is by both asexual and sexual methods.
3. They possess these structures for modify.
Ex. Unicellular algae, diatoms, protozoans.