Prokaryotic Cell

Q.

Name 5 examples of Prokaryotic cells or Prokaryotes.

Q.

The undefined nuclear region of prokaryotes is also known as

1. nucleus

2. nucleolus

3. nucleoid

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.

Where is the most ATP synthesis in prokaryotes?

Q.

Can microbes survive in space?

Q.

Do Prokaryotes have a cell membrane?

Q. E. coli is a shaped bacteria.

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

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

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

Q.

Which one of these is definitely NOT a feature of prokaryotes?

1. The genetic material (DNA) is localised to a region called the nucleoid which has no surrounding membrane.

2. They are Unicellular

3. They are present as intestinal flora

4. Presence of membrane bound organelles

Q. Pilus is the appendage required for bacterial .

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

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. What is the main differentiating feature between eukaryotic and prokaryotic cells?

1. Plasma membrane
2. DNA structure
3. Membrane-bound organelles
4. Cytoplasm

Q. In prokaryotes, chromatophores are

1. Specialised granules responsible for colouration of cells
2. Structures responsible for organizing the shape of the cell
3. Internal membrane system that may become extensive and complex in photosynthetic bacteria
4. Inclusion bodies lying free inside the cells for carrying out various metabolic activities

Q. Prokaryotic ribosomes have larger subunit and smaller subunit.

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

Q. The only cell organelle seen in a prokaryotic cell is

1. Mitochondria
2. Ribosomes
3. Plastids
4. Lysosomes

Q. Hereditary material of Escherichia coli is

1. Single stranded DNA
2. Double stranded DNA
3. Single stranded RNA
4. Double stranded RNA

Q. What is the main function of plastids in a cell?