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Human Diseases - 2 (Class - IX)

Description: Human Diseases - 2
Number of Questions: 15
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Tags: Human Diseases Class - IX Infectious Diseases Deficiency Diseases Diseases in Humans Infectious Diseases and Causative Agents
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Which of the following is a set of non-communicable diseases?

  1. Asthma, diabetes, hepatitis

  2. Asthma, scurvy, diabetes

  3. Diabetes, hepatitis, scurvy

  4. Influenza, scurvy, cholera

  5. Hepatitis, cholera, dengue


Correct Option: B
Explanation:

This option is correct because asthma, scurvy and diabetes are non-communicable diseases.

Droplet infection is the mode of transmission for

  1. smallpox
  2. diphtheria
  3. influenza
  4. rabies
  5. typhoid
  1. 1, 2 and 3

  2. 1, 3 and 5

  3. 2, 3 and 4

  4. 3, 4 and 5

  5. 2, 4 and 5


Correct Option: A
Explanation:

This option is correct because smallpox is a highly contagious disease. People get infected with smallpox virus by inhaling droplets of saliva, which are full of virus, during face-to-face contact with the infected person. Diphtheria is spread (transmitted) from person to person, usually through respiratory droplets, from coughing or sneezing. Influenza viruses are spread mainly by droplets made when people with flu cough, sneeze or talk.

Which of the following is a protein deficiency disease?

  1. Xeropthalmia

  2. Night blindness

  3. Beri-Beri

  4. Kwashiorkor

  5. Cheilosis


Correct Option: D
Explanation:

This is the correct option. Kwashiorkor is a protein deficiency disease.

Pellagra is caused by the deficiency of

  1. vitamin C

  2. vitamin B3

  3. vitamin A

  4. vitamin D


Correct Option: B
Explanation:

Pellagra is a vitamin deficiency disease caused by a chronic lack of niacin (vitamin B3).

Hepatitis virus is transmitted through

  1. anopheles mosquito

  2. aedes mosquito

  3. culex mosquito

  4. housefly

  5. contaminated water


Correct Option: E
Explanation:

Hepatitis viruses are transmitted through contaminated water.

Which of the following diseases is/are caused by fungi?

  1. Skin infections

  2. Peptic ulcers

  3. Cold and cough

  4. Loose motions

  5. Diabetes


Correct Option: A
Explanation:

This is the correct answer. Skin infections are caused by fungi.

______ is a disease caused by protozoa and is transmitted by the bite of female anopheles mosquito.

  1. Filariasis

  2. Elephantiasis

  3. Malaria

  4. Amoebiasis

  5. Ascariasis


Correct Option: C
Explanation:

Malaria is caused by protozoa and is transmitted by the bite of female anopheles mosquito.

Disease-causing microbes can spread through the little droplets thrown out by an infected person who sneezes or coughs. Identify the group of diseases that spreads through air.

  1. Rickets, osteomalacia and beriberi

  2. Goitre, dwarfism and diabetes

  3. Hypertension, AIDS and ringworm

  4. Common cold, pneumonia and tuberculosis

  5. Leprosy, anaemia and goitre


Correct Option: D
Explanation:

Common cold, pneumonia and tuberculosis spread through air.

Match the following:

   
Diseases Causative microorganisms Modes of transmission
a. Tuberculosis 1. Virus p. Mosquito
b. Hepatitis E 2. Protozoan q. Air
c. Malaria 3. Bacterium r. Water
  1. a - 3 - q, b - 1 - r, c - 2 - p

  2. a - 3 - q, b - 1 - p, c - 2 - r

  3. c - 3 - q, a - 1 - r, b - 2 - p

  4. a - 3 - r, b - 1 - q, c - 2 - p

  5. a - 3 - p, b - 1 - r, c - 2 - q


Correct Option: A
Explanation:

Tuberculosis is caused by a bacterium and its mode of transmission is air. Hepatitis E is caused by a virus and its mode of transmission is water. Malaria is caused by a protozoan and its mode of transmission is a mosquito.

Which type of diet will be highly recommended for bleeding and swollen gums?

  1. Citrus fruits and amla

  2. Cod liver oil

  3. Unpolished rice

  4. Green leafy vegetables


Correct Option: A
Explanation:

Citrus fruits and amla having vitamin C will be highly recommended for bleeding and swollen gums.

Match the following:

 
Column I (Disease)
Column II (Deficiency)
P. Cheilosis 1. Niacin
Q. Pellagra 2. Riboflavin
R. Scurvy 3. Cyanocobalamin
S. Pernicious anaemia 4. Ascorbic acid
  1. P - 1; Q - 2; R - 3; S - 4

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

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

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

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


Correct Option: B
Explanation:

Correct Answer: P - 2; Q - 1; R - 4; S - 3

Match the following:

(A) Anaemia (i) Vitamin deficiency
(B) Beriberi (ii) Food deprivation
(C) Influenza (iii) Hemoglobin deficiency
(D) Malnutrition (iv) Infectious disease
  1. (A) - (iii), (B) - (i), (C) - (iv), (D) - (ii)

  2. (A) - (i), (B) - (iii), (C) - (ii), (D) - (iv)

  3. (A) - (iv), (B) - (ii), (C) - (i), (D) - (iii)

  4. (A) - (i), (B) - (iii), (C) - (iv), (D) - (ii)


Correct Option: A
Explanation:
(A) Anaemia
Hemoglobin deficiency
(B) Beriberi
Vitamin deficiency
(C) Influenza
Infectious disease
(D) Malnutrition
Food deprivation

 

A person exhibited headaches, vomiting, fits or unconsciousness after infection by a pathogen. Which of the following will most likely be the target organ?

  1. Heart

  2. Kidney

  3. Liver

  4. Brain

  5. Lung


Correct Option: D
Explanation:

If the brain is the target, we will observe headaches, vomiting, fits or unconsciousness.

Match the following:

 
Deficiency of mineral
Diseases
a. Iron 1. Goitre
b. Iodine 2. Dental decay
c. Fluorine 3. Anaemia
  1. a – 3, b – 1, c – 2

  2. a – 3, b – 2, c – 1

  3. a – 1, b – 2, c – 3

  4. a – 1, b – 3, c – 2

  5. a – 2, b – 1, c – 3


Correct Option: A
Explanation:

This is the correct option. Deficiency of iron causes anaemia. Deficiency of iodine causes goitre. Deficiency of fluorine causes dental decay.

Which of the following diseases is caused by the deficiency of vitamin D?

  1. Rickets

  2. Marasmus

  3. Dental caries

  4. Bleeding disease

  5. Microcytic anaemia


Correct Option: A
Explanation:

This is the correct option. Rickets is caused by the deficiency of vitamin D.

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