Bacterial ribosomes are composed of
A. protein and DNA
B. protein and ma
C. protein and mrna
D. protein and RNA
Bacterial ribosomes are composed of Read More »
A. protein and DNA
B. protein and ma
C. protein and mrna
D. protein and RNA
Bacterial ribosomes are composed of Read More »
A. envelope
B. capsid
C. cover
D. cortex
The protein surrounded the genetic material of viruses are called Read More »
A. Ferdinand Cohn
B. Louis Pasteur
C. John Tyndal
D. Anton von Leeuwenhoek
Endospores were first discovered by Read More »
A. spontaneous generation of organisms from nonliving matter
B. development of life forms from preexisting life forms
C. developmeat of aseptic technique
D. germ theory of disease
Abiogenesis refers to the Read More »
A. selective medium
B. differential medium
C. enrichment culture
D. a and b
A culture medium on which only Gram positive organisms grow and a yellow halo surround Read More »
A. nitrogen is not very abundent in the atmosphere
B. few organisms can directly utilize atmospheric nitrogen gas
C. most plants do not require organic nitrogen compounds for survival
D. oceans quickly absorb nitrogen gas
A. community
B. genus
C. population
D. ecosystem
Many individuals of the same species living together in a defined area form a/an Read More »
A. medicines
B. organic acids
C. amino acids
D. all the above
Various commercial products of economic value made by microbes are Read More »
A. reducing the alkalinity of the soil
B. reducing the acidity of the soil
C. neutralising the alkalinity of the soil
D. water logging
Cyanobacteria helps farmers by Read More »