Prokaryotic cells have something unique in the form of:

1. Inclusion bodies

2. Plasmids

3. Cell wall

4. 70 S ribosomes

A feature unique to prokaryotes would be:

1. A cell wall not made up of cellulose

2. An extrachromosomal plasmid DNA

3. A cell membrane of peptidoglycan

4. Presence of inclusions

Which of the following structure is not found in a prokaryotic cell?

(1) Nuclear envelope

(2) Ribosome

(3) Mesosome

(4) Plasma membrane

Pigment-containing membranous extensions in some cyanobacteria are

(1) heterocysts

(2) basal bodies

(3) pneumatophores

(4) chromatophores

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

(1) Bacillus

(2) Pseudomonas

(3) Mycoplasma

(4) Nostoc

Which is not true for prokaryotic cells ?

1. They are smaller than eukaryotic cells.

2. They lack membrane-bound organelles.

3. Their genetic material is localised within nucleoid.

4. They contain a well developed cytoskeleton.

Some Gram -ve bacteria have peptidoglycan and an extra layer of

1. lipo-polysaccharide

2. teichoic acid

3. cellulose

4. both 2. and 3.

What is a plasmid ?

(1) Bacterial, linear, dsDNA

(2) Extra chromosomal linear RNA

(3) Extra chromosomal circular dsDNA

(4) Autonomously replicating circular RNA

Which of the following represents the prokaryotic cell

1. bacteria, blue-green algae, mycoplasma, PPLO

2. bacteria, blue-green algae, microbes, chlorella

3. bacteria, blue-green algae, slime moulds and Diatoms

4. bacteria, blue-green algae only

Which of the following is incorrect match

(1)bacillus- rod like

(2)coccus-comma shaped

(3)vibrio-comma shaped

(4)spirillum-spiral