Quiz 1

Why bacterial endospore is thermo-tolerant?

• Zn-dipicolonic acid

• Fe-dipicolonic acid

• Na-dipicolonic acid

• Ca-dipicolonic acid

A biological agent that consists of nucleic acid and a protein coat. It is not a cell, nor is it considered alive

• Virus

• Bacteria

• Fungi

• Protista

A virus that attacks bacteria cells

• Capsid

• Influenza

• HIV

• Bacteriophage

Late blight of potato is a _________ disease

• Viral

• Fungal

• Bacterial

• Nematode

Component present in Gram positive bacteria cell wall

• Teichoic acid

• Linoleic acid

• Acetic acid

• Palmitic acid

The causal organism of wart disease of potato

Binary fission is a type of bacterial reproduction

• True

• False

___________ pili join two bacterial cell for transfer of genome

• sex

• common

• both

• none

This involves holding contaminated inoculating loop in direct flame. 

• autoclave
• incineration
• gamma rays
• ultraviolet light

Study of the spread of the pathogen is

• pathogenesis

• Aetiology

• Epidemiology

• Dissemination