Questions
Which of the following causes AIDS?
- Amoeba
- HIV
- Vibrio cholera
- Lactobacillus
- Plasmodium vivax
Citrus canker disease is caused by
- Virus
- Fungus
- Protozoa
- Helminth worms
- Bacterium
Which of the following cause(s) yellow mosaic disease of bhindi (okra)?
- Virus
- Bacteria
- Fungus
- Helminth worms
- Protozoa
Which step of nitrogen cycle is not appreciated by farmers?
- Lightning fixes nitrogen as compounds in the soil.
- Blue-green algae fix nitrogen as compounds in the soil.
- Denitrifying bacteria turn the nitrogen compounds back into gaseous nitrogen.
- Ammonia, nitrite, nitrate, etc., remain in the soil.
- Presence of rhizobium in root nodules.
Tuberculosis is caused by a bacterium. How does an infant get immunity against this disease?
- By OPV
- By TT
- DPT
- Anti-venin injection
- BCG
Malaria, a protozoan disease, is spread through
- wind
- mosquito
- water
- food
- droplet infection
Why are some microbes used in sewage treatment?
- They enhance soil fertility.
- They cause diseases.
- They are used to degrade the organic wastes present in the medium.
- They cause spoilage of food.
- They help to make dough rise.
Which of the following human diseases is caused by a virus?
- Ringworms
- Filaria
- Ascariasis
- Hepatitis-B
- Typhoid
Which microbe helps in the baking industry?
- Virus
- Yeast
- Protozoan
- Helminth worm
- Streptococcus
Which of these is not a communicable disease?
- Cholera
- Allergy
- Common cold
- Chicken pox
- Tuberculosis
What is fermentation?
- Action of rhizobium inside the nodule.
- Cleaning up of wastes in water by microbes.
- Chemicals from one microbe being effective against a harmful microbe.
- Conversion of sugar into alcohol.
- Transmission of disease from one person to another by an insect.
Rust disease in wheat is caused by
- bacterium
- virus
- protozoan
- fungus
- helminth worms
What does our body naturally produce when a pathogen has entered it?
- Antibiotics
- Alcohol
- Antibodies
- Anti-venin
- Preservatives
The dreaded foot and mouth disease in cattle is caused by
- bacterium
- virus
- protozoa
- fungus
- helminth worms
Which of these pathogens causes anthrax?
- Tubercle bacillus
- Vibrio cholera
- Plasmodium falciparum
- Varicella zoxter
- Bacillus anthracis