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Types of Human Diseases (GATE)

Description: GATE NET
Number of Questions: 15
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Tags: GATE NET Nature of Parasite
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Which of the following diseases is caused by a DNA virus?

  1. Hepatitis A

  2. Hepatitis B

  3. Hepatitis C

  4. Hepatitis D

  5. Hepatitis E

Show answer
Correct Option: B
Explanation:

This option is correct because hepatitis B is an infectious illness of the liver caused by the hepatitis B virus. 

Which of the following diseases is/are caused by gram-negative rod-shaped bacteria?

  1. Whooping cough
  2. Pneumococcal pneumonia
  3. Diphtheria

  1. Only 1

  2. Only 2

  3. Only 3

  4. 1 and 2

  5. 2 and 3

Show answer
Correct Option: A
Explanation:

This option is correct because whooping cough is caused by Bordetella pertussis.

Which of the following diseases is caused by DNA virus?

  1. Chicken pox

  2. Influenza

  3. Rubella

  4. Poliomycetes

  5. Rabies

Show answer
Correct Option: A
Explanation:

 Chicken pox is caused by the varicella-zoster virus (DNA virus).

Match the columns:

 
Infections Causing worms
P. Hookworm infection 1. Ancylostoma duodenale
Q. Seatworm infection 2. Ascaris lumbricoides
R. Roundworm infection 3. Enterobius vermicularis
S. Whipworm infection 4. Trichuris trichiura

  1. P - 1; Q - 2; R - 3; S - 4

  2. P - 1; Q - 3; R - 2; S - 4

  3. P - 2; Q - 4; R - 3; S - 1

  4. P - 2; Q - 3; R - 4; S - 1

  5. P - 4; Q - 3; R - 2; S - 1

Show answer
Correct Option: B
Explanation:

This option is correct.

Which of the following diseases are caused by gram-positive spore forming bacteria?

P. Anthrax Q. Tetanus R. Cholera S. Typhoid

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

  5. R and S

Show answer
Correct Option: A
Explanation:

Anthrax is an infectious disease caused by the gram-positive, spore-forming rod-shaped bacterium Bacillus anthracis.

Match the entries ||| |---|---| |Column – I|Column – II| |A. Paragonimus westermani|1. Oriental Lung fluke| |B. Fasciolopsis buski |2. Giant intestinal fluke | |C. Fasciola hepatica |3. Sheep liver fluke|

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

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

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

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

  5. A - 3, B - 2, C - 1

Show answer
Correct Option: A
Explanation:

This option is correct because all are correctly matched.

Which of the following is a pair of diseases caused by gram-positive bacteria?

  1. Gonorrhoea and Typhoid

  2. Cholera and Botulism

  3. Typhoid and Listeriosis

  4. Gonorrhoea and Cholera

  5. Botulism and Listeriosis

Show answer
Correct Option: E
Explanation:

This option is correct because both diseases are caused by gram-positive bacteria.

Which of the following diseases is caused by infection with bacterium Coxiella burnetii?

  1. Leishmaniasis

  2. Yellow fever

  3. Hepatitis B

  4. Q fever

  5. LRTI

Show answer
Correct Option: D
Explanation:

This option is correct.

Which of the following diseases is/are caused by viruses with single-stranded RNA genome?

  1. Rabies
  2. Dengue
  3. Polio

  1. Only 1

  2. Only 2

  3. Only 3

  4. 2 and 3

  5. 1, 2 and 3

Show answer
Correct Option: E
Explanation:

This option is correct because rabies virus is a neurotropic virus that causes rabies in humans and animals. These viruses are enveloped and have a single-stranded RNA genome with negative-sense.

Which of the following is a sexually transmitted disease caused by the single-celled protozoan parasite Trichomonas vaginalis?

  1. Gonorrhoea

  2. Trichomoniasis

  3. Syphilis

  4. Chlamydia

  5. Diphtheria

Show answer
Correct Option: B
Explanation:

 Trichomoniasis is a sexually transmitted disease caused by the single-celled protozoan parasite Trichomonas vaginalis.

Which of the following is an auto-immune disease in which the medium-sized blood vessels throughout the body become inflamed?

  1. SARS

  2. Hepatitis B

  3. Kawasaki disease

  4. Plague

  5. Diphtheria

Show answer
Correct Option: C
Explanation:

This option is correct because Kawasaki disease is an auto-immune disease in which the medium-sized blood vessels throughout the body become inflamed.

Match the columns:

 
Disease Causative agent
A. Botulism 1. Protozoan
B. Yellow fever 2. Bacteria
C. Candidiasis 3. Fungus
D. Malaria 4. Virus

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

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

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

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

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

Show answer
Correct Option: C
Explanation:

This option is correct because all are correctly matched.

Match the columns:

 
Rickettsial disease Causative agent
P. Rocky mountain spotted fever 1. Rickettsia typhi
Q. Epidemic typhus 2. Rickettsia akari
R. Endemic typhus 3. Rickettsia rickettsiae
S. Rickettsial pox 4. Rickettsia prowazekii

  1. P - 1, Q - 2, R - 3, S - 4

  2. P - 1, Q - 3, R - 4, S - 2

  3. P - 3, Q - 1, R - 2, S - 4

  4. P - 3, Q - 4, R - 1, S - 2

  5. P - 2, Q - 3, R - 4, S - 1

Show answer
Correct Option: D
Explanation:

This option is correct because all are correctly matched.

Which of the following viral diseases are caused by double-stranded DNA virus?

P. Measles Q. Mumps R. Chicken pox S. Smallpox

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

  5. R and S

Show answer
Correct Option: E
Explanation:

This option is correct.

Match the following diseases with their causative agent and vectors.

   
Disease Causative agent Vector
P. Kala azar i. Plasmodium spp. 1. Tse-tse fly
Q. African sleeping sickness ii. Leishmania donovani 2. Sand fly
R. Epidemic typhus iii. Trypanosoma brucei 3. Mosquito
S. Malaria iv. Rickettsia prowazekii 4. Body louse

  1. P - ii - 3, Q - iv - 1, R - i - 2, S - iii - 4

  2. P - iii - 1, Q - iv - 2, R - ii - 4, S - i - 3

  3. P - i - 2, Q - ii - 4, R - iii - 2, S - iv - 3

  4. P - ii - 2, Q - iii - 1, R - iv - 4, S - i - 3

  5. P - i - 4, Q - iii - 1, R - ii - 3, S - iv - 2

Show answer
Correct Option: D
Explanation:

This option is wrong because all are correctly matched. Kala azar is caused by Leishmania donovani and transmitted by the bite of the sand fly. African Trypanosomiasis (also known as sleeping sickness) is caused by Trypanosoma brucei and transmitted by the tse-tse fly. Epidemic typhus is caused by Rickettsia prowazekii and transmitted by the human body louse (Pediculus humanus corporis). Malaria is a mosquito-borne infectious disease of humans and other animals caused by parasites of the Plasmodium spp.

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