Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

Contaminated feed is the major source of infection in case of ______________.

  1. Rinderpest

  2. Ascaris

  3. Anthrax

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Rinderpest virus is found in expired air and is transmitted primarily by inhalation of expired air contaminated by infected droplets. Ascaris infection occurs by eating food or drink contaminated with Ascaris eggs from feces. When anthrax spores are ingested, inhaled or enter the body through skin abrasions or cuts and food, it causes the disease.
So, the answer is All of the above.
Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

Potential pathogens for bioweapons are _________________.

  1. Bacillus anthracis

  2. Yersinia pestis

  3. Vibro cholerae

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biowar is the use of highly infectious pathogens, their spores and toxins as agents of biological weapons against humans, crops and animals of enemy country. The agent is kept in a social container that keeps it in active/virulent state during delivery by missile or aircraft. Spray and power are two common forms in which the bioweapon agent is delivered. Potential pathogens for bioweapons agent is delivered. Potential pathogens for bioweapons are Bacillus anthracis, Vibro cholera, small pox virus Pasteurella Yersinia pestis, Botulinum toxin, etc.

Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

According to the World Health Organisation, the disease which cause the death of the largest population today is

  1. AIDS

  2. Tuberculosis

  3. Malaria

  4. Ebola
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ebola virus disease is a disease of humans and other primates caused by Ebola viruses. There is currently no licensed treatment or vaccine for Ebola virus disease, although potential new vaccines and drug therapies are being developed and tested. 

Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

Anthrax of sheep is caused by bacteria.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Anthrax refers to a contagious disease that is caused by a bacterium called the Bacillus anthracis. The disease mainly occurs in domestic and wild animals such as goats, cow, sheep, and camels. The infection is transmitted through spores of the bacteria. Hence, anthrax in sheep is caused by bacteria.

Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

The following microbe is used as a biological weapon recently

  1. Phytophthora infestans

  2. Bacillus anthracis

  3. Hibiscus virus

  4. all of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Bacillus anthracis is the bacteria that causes anthrax. In 1991 Gulf War it is used by Iraq. They purchased anthrax spores from the US.
So, the correct option is 'Bacillus anthracis'
Multiple choice animal diseases economic importance of bacteria and fungi bacteria keeping diseases away biology

An animal disease that can be tranferred to humans from the diseased animal is______.

  1. Rinderpest

  2. Anthrax

  3. Mastitis

  4. Foot and mouth disease
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rinderpest is a cattle plague disease that affects only animals.

Mastitis is the inflammation of breast tissue that affects female breasts.
Foot and mouth disease is a contagious viral infection common in young children characterized by a sore mouth. Anthrax is caused by the bacteria bacillus anthracis and it is spread by contact with the bacterium's spores, which appear in infected animals.

Multiple choice biology physical resources air and winds wind energy air as a natural resource

Gaseous envelop surrounding the earth is called

  1. Lithosphere

  2. Mesophere

  3. Stratosphere

  4. Atmosphere
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The atmosphere is a gaseous envelope surrounding the earth. It is mostly composed of nitrogen, oxygen, argon, carbon dioxide and some other gasses in trace amounts. The atmosphere is held in place by gravity of the earth.    Thus the correct answer is option D.

Multiple choice biology physical resources air and winds wind energy air as a natural resource

What causes movement in air?

  1. Difference in temperature

  2. Difference in pressure

  3. Difference in volume

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Movements in the air are caused due to pressure and temperature gradient. The high temperature leads to the rising of air which creates a low-pressure region. The air from the surrounding high-pressure zone moves to low-pressure area to stabilise the pressure which creates a breeze
So, the correct answer is 'Both A and B'