20 MOST IMPORTANT QUESTIONS ON MICRO-ORGANISM

0
351
microorganism

Quiz on Micro Organism

  1. The confirmatory test for HIV virus causing AIDS is:-

CDR count

Western blot test

ELISA test

PCR test

Answer:- ELISA test

  1. Microorganisms are seen only with:-

Open eye

Naked eye

Microscope

None

Answer:- Microscope

  1. With reference to the food chains in ecosystems,which of the following kind of organism is/are known as decomposer organism/organisms?

    a.Virus

    b,Fungi

    c.Bacteria

Select the correct answer using codes given below

a only

b and c only

a and c only

a, b and c only

Answer:- b and c only

  1. Viruses are:-

Complete saprophytes

Partial parasites

Partial saprophytes

Total parasite

Answer:- Total parasite

  1. The discovery of virus made by:-

Ivanowski

Beijerinck

Miller

 Stanley

Answer:- Ivanowski

  1. Genetic material of a virus is:-

DNA

RNA

Either DNA or RNA

Both DNA or RNA

Answer:- Either DNA or RNA

  1. Bacteria was discovered first by:-

Leeuwenhook

Robert hook

Louis Pasteur

Robert Koch

Answer:- Leeuwenhook

  1. Xenobiotics which are inherently resistant to microbial attack are called as:-

Biodegradable

All of the given options

Recalcitrant

Persistent

Answer:- Recalcitrant

  1. Bacteria are grouped under plant because:-

They cannot moved

They have cell wall

They multiple by fission

They are found everywhere

Answer:- They have cell wall

  1. The harmful substances produced by microbes are known as :-

Antibiotics

Pollutants

Harmones

Toxins

Answer:- Toxins

  1. Curd Is sour due to presence of :-

Citric acid

Lactic acid

Acetic acid

None of these

Answer:- Lactic acid

  1. Smallest form of bacteria is called:-

Vibrio

Cocci

Bacilli

Spirilla

Answer:- Cocci

  1. Bacteria which are round in shape is called:-

Vibrio

Bacillus

Coccus

Spirilla

Answer:- Coccus

  1. Which of the following statement is correct:-

    A.Virus lack enzymes necessary for the generation of energy.

    B.Virus can be cultured in any synthetic medium

    C.Virus are transmitted from one organism to another by biological vector only.

    D.Select the correct answer using correct

Select the correct answer using codes given below:-

A only

B and C only

A and C only

A,B and C only

Answer:- A and C only

  1. Which of the following fungi is commonly known as ‘bread mould’?

Synchytrium

Rhizopus

Aspergillus

Penicillium

Answer:- Rhizopus

  1. Yeast is an important source of:-

Vitamin C

Protein

Vitamin B

Invertase

Answer:- Vitamin B

  1. Which of the follwing is absent in bacteria?

Cell wall

Plasma membrane

Mitochondria

Ribosome

Answer:- Mitochondria

  1. Type of DNA found in Bacteria

Straight DNA

Helical DNA

Circular DNA

Membrane bound DNA

Answer:- Circular DNA

  1. Father of microbiology:-

Leeuwenhoeck

Louis Pasteur

Robert Koch

Hensen

Answer:- Louis Pasteur

  1. EBOLA is a:-

Virus

Bcteria

Protozoa

Fungi

Answer:- Virus