Prokaryotic Cell

Q.

What are four differences between prokaryotic and eukaryotic cells?

Q. PPLO means:

1. Pleuro Pneumonia Like Organisms
2. Poly Pneumonia Like Organisms
3. Prokaryotic Pleural Like Organisms
4. Pleural Pneumococcal Like Organisms

Q.

Are mesosomes present in both prokaryotic & eukaryotic cells?

Q. Which among the following structure in prokaryotes is analogous to the eukaryotic mitochondria in function?

1. Nucleoid
2. Mesosomes
3. Ribosomes
4. Plasmids

Q. The region in the bacterial cell that has genomic DNA is called

1. nucleus
2. nucleoid
3. nucleoplasm
4. none of these

Q. Which of the following is present in prokaryotic cells?

1. Nuclear envelope
2. ER
3. 80S ribosomes
4. DNA
5. Lysosomes
6. Cell wall

1. 1, 2, 3, 5
2. 4, 6
3. 3, 4, 6
4. 1, 2, 5

Q. is present in prokaryotic organisms instead of a nucleus.

1. Nucleolus
2. Nucleosome
3. Nucleoid
4. Nucleoplasm

Q.

Are there any multicellular prokaryotes?

Q. Nuclear matter without envelope occurs in

1. Bacteria and Green algae
2. Cyanobacteria and red algae
3. Mycoplasma and Green algae
4. Cyanobacteria and Eubacteria

Q. The bacterial antibiotic resistance genes are usually present in _____

1. Nucleoid
2. Ribosomes
3. Plasmid
4. Membranes

Q. All prokaryotic organisms are unicellular.

1. False
2. True

Q. Which of the following statements is correct regarding the genomic DNA of bacteria?

1. DNA is circular, not associated with histone proteins, and organised into a single chromosome
2. DNA is linear, not coiled around histone proteins, and organised into a single chromosome
3. DNA is circular, associated with histone proteins, and organised into two chromosomes
4. DNA is linear, associated with histone proteins, and organised in two chromosomes

Q. Bacterial cell wall is composed of a special polymer called .

1. cellulose
2. chitin
3. peptidoglycan
4. pectin

Q. The structure that provides motility to bacteria is

जीवाणु को गतिशीलता प्रदान करने वाली संरचना

1. Made up of tubulin protein
   
   ट्यूब्यूलिन प्रोटीन की बनी होती है
2. Composed of filament, hook and basal body
   
   तंतु, अंकुश तथा आधारी काय की बनी होती है
3. Small bristle-like structure that sprouts out of the cell
   
   छोटे कड़े बाल-जैसी संरचना है जो कोशिका के बाहर फैली होती है
4. Similar in structure to that of eukaryotes
   
   यूकैरियोट्स की संरचना के समान होती है

Q. Prokaryotic ribosomes have larger subunit and smaller subunit.

1. 30S
2. 60S
3. 50S
4. 40S

Q. A nucleus which lacks a nuclear membrane as found in the members of Kingdom Monera is called as a

1. nucleoid
2. karyon
3. true nucleus
4. none of the above

Q. A well-defined nucleus is absent in

1. Nostoc
2. Paramoecium
3. Slime moulds
4. Yeast

Q. Which is not true about prokaryotes?

1. DNA is complexed with histones
2. Well developed nucleus absent
3. Mesosome present
4. Mitochondria absent

Q. Pilus is the appendage required for bacterial .

1. motility
2. reproduction
3. cell division
4. infection

Q.

The DNA of bacterium is NOT

1. In contact with cytoplasm

2. Double stranded, helical circular form

3. Present as a complex nucleoid

4. Present in the nucleus

Q. A nucleus which lacks a nuclear membrane as found in the members of Kingdom Monera is called as a

1. nucleoid
2. karyon
3. true nucleus
4. none of the above

Q. Which of the following statements is correct regarding the genomic DNA of bacteria?

1. DNA is circular, not associated with histone proteins, and organised into a single chromosome
2. DNA is linear, not coiled around histone proteins, and organised into a single chromosome
3. DNA is circular, associated with histone proteins, and organised into two chromosomes
4. DNA is linear, associated with histone proteins, and organised in two chromosomes

Q. are fine, hairlike bristles that helps a bacteria to adhere to surfaces.

1. Glycocalyx
2. Fimbriae
3. Pili
4. Flagella

Q. are the infolding of the inner membrane in bacterial cells.

1. Chromatophores
2. Fimbriae
3. Mesosomes
4. Trichomes

Q.

Which of the following statements about a prokaryotic cell is incorrect?

1. It has no Golgi apparatus

2. It is generally smaller than a eukaryotic cell

3. It has an impermeable membrane that encloses the DNA

4. Electron transport chain takes place at the cell membrane

Q. Which of the following is/are prokaryotic cells?

1. Blue-green algae
2. Mycoplasma
3. PPLO
4. All of the above

Q. Pair up the bacteria with their shapes.

1. 
2. Bacillus
3. Spirillum
4. 
5. 
6. Cocci
7. 
8. Vibrio

Q. Identify the incorrectly matched items

1. Bacteria - Prokaryotic
2. Nerve cell - Eukaryotic
3. Skin cells - Prokaryotic
4. Archaea - Prokaryotic

Q. E. coli is a shaped bacteria.

1. rod
2. spiral
3. comma
4. oval

Q. All prokaryotic organisms are unicellular.

1. False
2. True