Everyday Science

Bacteria, Viruses & Fungi MCQs With Answer

Bacteria reproduce primarily through which process?
A) Mitosis
B) Binary fission
C) Meiosis
D) Budding

Answer
B) Binary fission

Which of the following is an example of a virus?
A) Escherichia coli
B) Influenza
C) Aspergillus
D) Streptococcus

Answer
B) Influenza

Fungi obtain their nutrients through:
A) Photosynthesis
B) Chemosynthesis
C) Absorption
D) Ingestion

Answer
C) Absorption

Which structure do bacteria lack?
A) Cell wall
B) Ribosomes
C) Nucleus
D) DNA

Answer
C) Nucleus

Which of the following is a disease caused by bacteria?
A) Tuberculosis
B) Chickenpox
C) AIDS
D) Malaria

Answer
A) Tuberculosis

Viruses are composed of:
A) DNA or RNA and a protein coat
B) Cell membrane and cytoplasm
C) Nucleus and ribosomes
D) Chloroplasts and mitochondria

Answer
A) DNA or RNA and a protein coat

Which of the following is a beneficial role of bacteria?
A) Causing disease
B) Decomposing organic matter
C) Infecting crops
D) Producing toxins

Answer
B) Decomposing organic matter

What is the primary function of fungal spores?
A) Photosynthesis
B) Reproduction
C) Protection against predators
D) Producing oxygen

Answer
B) Reproduction

Which of the following is an antibiotic used to treat bacterial infections?
A) Amoxicillin
B) Oseltamivir
C) Zidovudine
D) Fluconazole

Answer
A) Amoxicillin

Which viral disease has been eradicated through vaccination?
A) Influenza
B) Measles
C) Smallpox
D) Polio

Answer
C) Smallpox

What is the main structural component of bacterial cell walls?
A) Cellulose
B) Peptidoglycan
C) Chitin
D) Lipid bilayer

Answer
B) Peptidoglycan

Which microorganism is used in the production of antibiotics?
A) Bacteria
B) Viruses
C) Fungi
D) Protozoa

Answer
C) Fungi

Which organelle-like structure do bacteria use for movement?
A) Cilia
B) Flagella
C) Pili
D) Vesicles

Answer
B) Flagella

Which type of virus infects bacteria?
A) Retrovirus
B) Bacteriophage
C) Adenovirus
D) Coronavirus

Answer
B) Bacteriophage

Which fungal disease affects human skin?
A) Ringworm
B) Influenza
C) Tuberculosis
D) Hepatitis

Answer
A) Ringworm

What is the primary genetic material of viruses?
A) DNA
B) RNA
C) Either DNA or RNA
D) Proteins

Answer
C) Either DNA or RNA

Which process allows bacteria to exchange genetic material?
A) Mitosis
B) Conjugation
C) Binary fission
D) Budding

Answer
B) Conjugation

Which scientist is credited with discovering penicillin?
A) Robert Koch
B) Alexander Fleming
C) Louis Pasteur
D) Edward Jenner

Answer
B) Alexander Fleming

Which of the following is a characteristic of viruses?
A) They can grow on non-living surfaces
B) They have cell walls
C) They require a host cell to reproduce
D) They have their own metabolism

Answer
C) They require a host cell to reproduce

Which of the following bacteria cause food poisoning?
A) Lactobacillus
B) Salmonella
C) Streptococcus
D) Bacillus anthracis

Answer
B) Salmonella

Which of the following is a fungal infection?
A) Malaria
B) Athlete’s foot
C) Typhoid
D) Cholera

Answer
B) Athlete’s foot

Which virus causes COVID-19?
A) HIV
B) SARS-CoV-2
C) H1N1
D) Rotavirus

Answer
B) SARS-CoV-2

Which microorganism is responsible for the fermentation of bread and alcohol?
A) Bacteria
B) Yeast
C) Virus
D) Protozoa

Answer
B) Yeast

Which bacterial species is commonly used in yogurt production?
A) Escherichia coli
B) Staphylococcus aureus
C) Lactobacillus bulgaricus
D) Bacillus subtilis

Answer
C) Lactobacillus bulgaricus

What type of organism is Candida albicans?
A) Bacterium
B) Virus
C) Fungus
D) Protozoan

Answer
C) Fungus

Which virus is responsible for causing polio?
A) Rabies virus
B) Poliovirus
C) Rhinovirus
D) Hepatitis B virus

Answer
B) Poliovirus

Which structure protects bacteria from harsh conditions?
A) Nucleus
B) Endospore
C) Lysosome
D) Capsule

Answer
B) Endospore

Which fungal species is used in the production of antibiotics like penicillin?
A) Aspergillus
B) Penicillium
C) Rhizopus
D) Candida

Answer
B) Penicillium

Which bacterial structure is responsible for antibiotic resistance transfer?
A) Ribosome
B) Plasmid
C) Mitochondria
D) Cell wall

Answer
B) Plasmid

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button