What are the six biological agents?

• Anthrax (Bacillus anthracis)
• Botulism (Clostridium botulinum toxin)
• Plague (Yersinia pestis)
• Smallpox (variola major)
• Tularemia (Francisella tularensis)
• Viral hemorrhagic fevers, including. Filoviruses (Ebola, Marburg) Arenaviruses (Lassa, Machupo)

What are 4 biological agents?

They include bacteria, viruses, fungi (including yeasts and moulds) and internal human parasites (endoparasites). The majority of these agents are harmless however some may have potential to cause ill health.

What is meant by biological agent?

Listen to pronunciation. (BY-oh-LAH-jih-kul AY-jent) A substance that is made from a living organism or its products and is used in the prevention, diagnosis, or treatment of cancer and other diseases. Biological agents include antibodies, interleukins, and vaccines.

Is blood a biological agent?

Potentially Hazardous Biological Agents Rules for use of microorganisms (including bacteria, viruses, viroids, prions, rickettsia, fungi and parasites), recombinant DNA technologies or human or animal fresh/frozen tissues, blood, or body fluids.

Is fungi a biological agent?

Biological agents are bacteria, viruses, parasites and fungi which can cause harm to human health, usually due to infection (some are toxic or can cause an allergy).

Which of the following examples is a biological agent?

Biological agents include bacteria, viruses, fungi, other microorganisms and their associated toxins.

Which is biocontrol agent?

Biological Control Agent (BCA) can be defined as the use of natural efficient strains of any microorganisms or modified organisms that reduce the incidence or severity of diseases caused by plant pathogens. From: Microbial Management of Plant Stresses, 2021.

Which of the following is not a biological agent?

D) Pollen is a fine to coarse, powdery substance that contains pollen grains that are male microgametophytes of seed plants. It is not a biological agent of a disease. Therefore, the correct answer is option ‘C’ i.e, pollen.

How many biological agents are there?

A biological agent is an infectious disease. They can be naturally occurring or be used in biological warfare. There are more than 1200 different kinds of biological agents, some of which can be used as biological weapons.

What are the four types of biological weapons?

• anthrax.
• botulism.
• plague.
• tularemia.
• smallpox.
• viral hemorrhagic fevers.

What is a biological disease?

Biological Disorders: disturbances of the normal state of the body or mind. Disorders of structure or function in an animal or plant. ( Oxford) Disorders may be caused by genetic factors, disease, or “trauma.” (

Is anthrax a biological agent?

Anthrax as a weapon Biological agents are germs that can sicken or kill people, livestock, or crops. Anthrax is one of the most likely agents to be used because: Anthrax spores are easily found in nature, can be produced in a lab, and can last for a long time in the environment.

Is smallpox a biological agent?

No one has gotten smallpox naturally since 1977. However, it is possible that variola virus (the virus that causes smallpox) could be used in a biological attack (an intentional release of viruses, bacteria, or other germs that can sicken or kill people, livestock, or crops).

Is leptospirosis a biological agent?

Leptospirosis is a zoonotic infection of which there are two forms: Weil’s disease: spread via direct or indirect contact with rat urine, often via contaminated water. Hardjo: this is spread from cattle to humans via bacteria in cattle urine.

What are the 4 hazard groups for biological agents give some examples?

• Biological agents. Some biological hazard examples under this classification include bacteria, viruses, parasites, and fungi (such as yeasts and molds).
• Biotoxins.
• Blood and blood products.
• Environmental specimens.

What are biocontrol agents give example?

Examples are microbial control agents such as Bt, viruses, and nematodes. The egg parasitoid, Trichogramma, is an example of an insect biocontrol agent that continually needs to be released to provide effective control of its host.

Is nostoc a biocontrol agent?

Option C: Oscillatoria, Rhizobium, Trichoderma: they are biofertilizers and biocontrol agents respectively. Option D: Nostoc, Azospirillum, Nucleopolyhedrovirus: they are biofertilizers and pathogens respectively.

Which fungi is used as a biological control?

Trichoderma is identified as the genus with greatest potential comprising 25 biocontrol agents that have been used against a number of plant fungal diseases.

Which of the following examples is a chemical agent?

Some examples of chemical agents include phosgene (a choking agent or lung irritant), hydrogen cyanide (a blood gas), dibenzoxazepine (a type of tear gas), and sarin (a type of nerve gas).

What are some examples of biological weapons?

Historical biological weapons programmes have included efforts to produce: aflatoxin; anthrax; botulinum toxin; foot-and-mouth disease; glanders; plague; Q fever; rice blast; ricin; Rocky Mountain spotted fever; smallpox; and tularaemia, among others.

Which of the following can be used as biological warfare agents?

Biological Warfare agents are microorganisms like virus, bacteria, fungi, protozoa or toxins produced by them, that give rise to diseases in man, animals or plants, when deliberately dispersed in an area [Table 1].

What are the 3 types of biological control agents?

There are three primary methods of using biological control in the field: 1) conservation of existing natural enemies, 2) introducing new natural enemies and establishing a permanent population (called “classical biological control“), and 3) mass rearing and periodic release, either on a seasonal basis or inundatively.

Which is not a biocontrol agent?

Bacillus subtilis Was this answer helpful?

What are biological agents in plants?

These agents include the natural products and chemical compounds produced by different sources, such as plant extracts, microbial metabolites, synthetic chemicals, and gene products [72].

Which of the following is considered a biological agent quizlet?

There are three types of biological agents. They are bacteria, viruses, and toxins.