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

Subtopic:  Prokaryotic Cell Organisation |
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Which of the following is incorrect match

(1)bacillus- rod like

(2)coccus-comma shaped

(3)vibrio-comma shaped

(4)spirillum-spiral

Subtopic:  Prokaryotic Cell Organisation |
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Cell envelope in bacteria consists of 

1.  Plasma membrane only 

2. Plasma membrane and mesosome 

3. Glycocalyx only 

4. Glycocalyx, cell wall and plasma membrane

 

Subtopic:  Prokaryotic Cell Organisation |
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Which of the following structure is not found in a prokaryotic cell?

(1) Nuclear envelope

(2) Ribosome

(3) Mesosome

(4) Plasma membrane

Subtopic:  Prokaryotic Cell Organisation |
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Pigment-containing membranous extensions in some cyanobacteria are

(1) heterocysts

(2) basal bodies

(3) pneumatophores

(4) chromatophores

Subtopic:  Prokaryotic Cell Organisation |
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In 70S, S is

(1)sedimentation coefficient

(2)indirect measure of density and size

(3)indirect measure of mass and size

(4)Both A and B

Subtopic:  Prokaryotic Cell Organisation |
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Prokaryotic cells have something unique in the form of:

1. Inclusion bodies

2. Plasmids

3. Cell wall

4. 70 S ribosomes

Subtopic:  Prokaryotic Cell Organisation |
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In prokaryotes, ribosomal RNAs

1.  As well as proteins are synthesized in cytoplasm

2.  Are synthesized in the nucleolus while proteins in cytoplasm

3.  Are synthesized in the cytoplasm while proteins in the nucleolus

4.  As well as proteins are synthesized in nucleus

 

Subtopic:  Prokaryotic Cell Organisation |
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The size of Pleuropneumonia - like Organism (PPLO) is :

1. 0.02 μm

2. 1-2 μm

3. 10-20 μm

4. 0.1 μm

Subtopic:  Prokaryotic Cell Organisation |
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Which one of these is not a eukaryote?

1.  Euglena

2.  Anabaena

3.  Spirogyra

4.  Agaricus

 

 

Subtopic:  Prokaryotic Cell Organisation | Eukaryotic Cell Architecture: Types |
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