Tag: keeping diseases away

Questions Related to keeping diseases away

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

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

  1. AIDS

  2. Tuberculosis

  3. Malaria

  4. Ebola

Show answer
Correct Option: D
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. 

Anthrax of sheep is caused by bacteria.

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

  1. True

  2. False

Show answer
Correct Option: A
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.

Blood mixed foamy discharge occurs through natural orifices of the animal. It is a symptom of disease :

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

  1. Rinderpest

  2. Foot and mouth disease

  3. Anthrax

  4. Both A and B

Show answer
Correct Option: C
Explanation:

In acute cases, Anthrax causes increased resoiration accompanied by blood mixed foamy discharge from the natural orifices like mouth, nose and anus.

The following microbe is used as a biological weapon recently

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

  1. Phytophthora infestans

  2. Bacillus anthracis

  3. Hibiscus virus

  4. all of these

Show answer
Correct Option: B
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'

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

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

  1. Rinderpest

  2. Anthrax

  3. Mastitis

  4. Foot and mouth disease

Show answer
Correct Option: B
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.

Pusa Swarnim a variety of Brassica is resistant to

plant diseases keeping diseases away biology

  1. Bacterial blight

  2. White rust

  3. Curl and black rot

  4. Mosaic virus.

Show answer
Correct Option: B

Plants protect themselves from fungi by producing.

plant diseases keeping diseases away biology

  1. Protoxins

  2. Phytoalexins

  3. Prolectins

  4. All the above

Show answer
Correct Option: D
Explanation:

Protoxins-precursor of toxins.

Phytoalexins-a substance produced by plant tissues in response to contact with parasite.
Prolectins-precursor of plant lectins.
All the above can be used by plants for protection from fungi.
Correct answer-D

Which of the following is a bacterial plant disease

plant diseases keeping diseases away biology

  1. Tikka disease of Groundnut

  2. Downy mildew of Grapes

  3. Ring rot of Potato

  4. Red rot of Sugarcane.

Show answer
Correct Option: C

Symptoms of red rot disease appear over :

plant diseases keeping diseases away biology

  1. Leaf tip

  2. Whole leaf

  3. Mid rib

  4. Leaf margin

Show answer
Correct Option: C
Explanation:
The red rot of sugar cane is caused by a fungus glomurella tucumensis. Infected canes, either singly or in clumps, show a sudden orange to yellow discoloration and later the leaves gradually dry. Symptoms include Brown or reddish brown stripes appear externally at nodal region, minute red spots on the upper surface of the midrib in both the directions.

So, the correct answer is 'Mid rib'.

Match List I (Disease) with List II (Causal Organism) and select the correct answer using the code given below the lists:

List I List II
A. Blast disease of rice 1. Ustilago nuda
B. Loose smut of wheat 2. Xanthomonas malvacearum 
C. Black arm of cotton 3. Ustilago scitaminae
D. Whip smut of sugarcane 4. Pyricularia oryzae
plant diseases keeping diseases away biology

  1. A-4, B-1, C-2, D-3

  2. A-3, B-4, C-1, D-2

  3. A-4, B-2, C-1. D-3

  4. A-3, B-1, C-4, D-2

Show answer
Correct Option: A