Q.41)-Number of mitochondria in bacterial cell is
  • One
  • Two
  • many
  • Zero
Q.42)-The harmuful substances produced by the microbes are known as
  • Antibiotics
  • Pollutants
  • Hormones
  • Toxins
Q.43)-Interferons are synthesized response is
  • Bacteria
  • Fungi
  • Mycoplasma
  • Virus
Q.44)-Pneumonia is a bacterial disease caused by the type of bacteria called_________________
  • Bacilli
  • Cocci
  • Sprilli
  • Vibrio
Q.45)-The chemical component that is invariably found in all viruses is
  • Proteins
  • Lipids
  • DNA
  • RNA
Q.46)-Bactreial decomposition of biological material under anacerobic condition is
  • Fermentation
  • Fertilization
  • Contamination
  • Compositing
Q.47)-Bactria was discovered by
  • Antonic von Leeuwenhoek
  • Belarus
  • Hugo de Vries
  • Robert Brown
Q.48)-Which of the following induces nitrogen fixation soil
  • Protozoa
  • Bacteria
  • Fungi
  • Algae
Q.49)-Which of the following organisms are considered to be both living and non-living
  • Bacteria
  • Fungi
  • Algae
  • Virus
Q.50)-Which type of pathogen causes the waterborne disease Salmonellosis
  • Algal
  • Parasitic
  • Bacterial
  • Viral