20 IMPORTANT QUESTIONS ON MICRO-ORGANISM PART-2

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microorganism

Questions On Micro-Organism

  1. Viruses that infect bacteria are called:-

Bacteriophages

Basophils

Basal body

Basidiospores

Answer:- Bacteriophages

  1. Bacteria which convert atmospheric nitrogen into nitrogenous compound are called:-

Denitrifying bacteria

Nitrogen fixing bacteria

Nitrifying bacteria

Decomposing bacteria.

Answer:- Nitrogen fixing bacteria

  1. Bacteria which is found in the intestine of human

Escherichia coli

Vibrio cholerae

Bacillus antherosis

Corynebacterium diphtheriae

Answer:- Escherichia coli

  1. The casual organism of polio is:-

Virus

Bacteria

Protozoa

Fungi

Answer:-Virus

  1. Name of bacteria,which cause tuberculosis:-

Mycobacterium tuberculosis

Vibrio cholrae

Bacillus coli

Escherichia coli

Answer:- Mycobacterium tuberculosis

  1. Bacteria which cause food poisoning:-

Clostridium tetani

Salmonella typhosa

Bacuillius anthrisis

Clostridium botulinum

Answer:- Clostridium botulinum

  1. Consider the following kinds of organism

    A.Algae

    B.Fungi

    C.Protozoa

In which of the above are unicellular organism found ?

A only

B and C only

A and C only

A.B and C only

Answer:- A.B and C only

  1. Which of the following is free living bacteria that help in nitrogen fixation:-

Azotochacter

Anabaena

Azolla

Nostoc

Answer:- Azotochacter

  1. Microorganism include:-

Bacteria & Virus

Bacteria, Virus, Microalgae and Fungi

Bacteria, Virus, microalgae, Fungi and Protozoa

Answer:- Bacteria, Virus, microalgae, Fungi and Protozoa

  1. Which one of the following type of microorganism is most widely used in industries ?

Bacteria

Bacteria and Fungi

Bacteria and algae

Bacteria, microalgae and fungi

Answer:- Bacteria, microalgae and fungi

  1. Which is the cause of anthrax disease?

Virus

Bacteria

Mycoplasm

Algae

Answer:- Bacteria

  1. The most extensive use of molasses after fermentation is for producing:-

Methanol

Sugar

Ethanol

Sugarcane

Answer:- Ethanol

  1. A Bacteria cell divides once every minute and take one hour to fill a cup. How much time will take it to fill half the cup?

30 minutes

60 minutes

29 minutes

59minutes

Answer:- 59 minutes

  1. Which of the following is/are the possible commercial/industrial applications of bacteria?

    A.Fementation of sugars

    B.Production of vaccines

    C.Cleaning of oil spills

A only

A and B only

A and C only

A,B and C only

Answer:- A,B and C only

  1. Nitrogen fixing bacteria is useful in growing which crop ?

Wheat

Paddy

Legume

Maiz

Answer:- Legume

  1. Function of Leghaemoglobin in nitrogen fixation:-

Legume

Nutrion of bacteria

Absorption of light

All

Answer:- Legume

  1. Which of the following disease caused by Bacteria ?

Tuberculosis

Mumps

Leprosy

Asthma

Answer:- Leprosy

  1. Which communicable disease is caused by Bacteria ?

Small pox

Mumps

Leprosy

Asthma

Answer:-Leprosy

  1. Refrigeration is a process in which-

Bacteria are destroyed.

Growth of Bacteria reduced

Bacteria became inactive.

Cytoplasm of bacteria contract.

Answer:-Bacteria become inactive.

  1. Sourcing of milk due to:-

Protozoa

Bacteria

Virus

Nematode

Answer:-Bacteria