Microorganisms
Questions about microorganisms including bacteria, viruses, protozoa, and algae, their characteristics, diseases they cause, and their ecological and commercial importance
Questions
Which of the following statements is not true for microorganisms?
- We cannot see them with naked eyes.
- A special device called microscope is required to see them.
- They have a high degree of adaptability and can survive in almost all kinds of environment.
- They cannot survive in our body.
What type of cellular organisation is present in protozoa?
- Unicellular eukaryotic
- Multicellular eukaryotic
- Multicellular prokaryotic
- Unicellular prokaryotic
Which of the following organisms reproduces only within the cell of host organism?
- Bacterium
- Protozoa
- Virus
- Rhizopus
Red algae is used in the preparation of ice cream and chocolate because it yields
- algar
- algin
- casein
- rennin
Which of the following diseases has now been eradicated from the whole world through vaccination?
- Polio
- Small pox
- Rabies
- AIDS
Which of the following is a causative organism for rabies?
- Bacteria
- Virus
- Protozoa
- Fungi
Which of the following diseases generally occurs during the rainy season due to bad personal hygiene and poor sanitation?
- Common cold
- Polio
- Rabies
- Gastroenteritis
Which of the following organisms performs photosynthesis?
- Mushroom
- Alga
- Amoeba
- Plasmodium
Which of the following diseases spreads through water?
- Common cold
- Chicken pox
- Cholera
- Malaria
Which of the following bacteria helps to fix the atmospheric nitrogen in the root nodules of leguminous plants?
- Rhizobium
- Rhizopus
- E. coli
- Mucor