Related Questions
Many bacteria have small circular DNA outside the genomic DNA. These smaller DNA are called
Plasmids
Mesosome
Nucleoid
None of these
In prokaryotes, genetic material is
Basically naked
Enveloped by a nuclear membrane
Associated with histones
Linear
Term basal body is associated with the development of
Microvilli
Cilia and flagella
Desmosomes
Pseudopodia
Which structure helps some prokaryotes move?
Cilia
Flagella
Pseudopodia
Vacuoles
Which of the following statements about inclusion bodies is incorrect ?
They are not bound by any membrane
These are involved in ingestion of food particles
They lie free in the cytoplasm
These represent reserve material in cytoplasm
Arrange the following steps in a correct sequence as per Gram’s staining technique
I. Treatment with 0.5% iodine solution
II. Washing with water
III. Treatment with absolute alcohol/acetone
IV. Staining with weak alkaline solution of crystal violet
The correct sequence is
IIIIVIII
IVIIIIII
IIIIIIIV
IIVIIIII
The plasmid DNA confers certain unique characters to bacteria in which they are found. This include
I. resistance to antibiotics
II. no resistance to antibiotics
III. monitor bacterial transformation with foreign DNA
The correct option is
I and II only
I and III only
II and III only
I, II and III
Bacterial cells can adhere to surfaces due to the presence of which component?
Flagella
Pili
Glycocalyx
Cytoplasm
In prokaryotic cell,
I. enveloped genetic material is present
II. ribosomes are absent
III. an organised nucleus is absent
The correct option is
Only I
Only II
Only III
I, II and III
Ribosomes are found in
Cytoplasm and nucleus
Golgi complex and nucleus
Mitochondria and bacterial cell
Endoplasmic reticulum and Golgi complex
