CBSE Class 6 Biology Health and Hygiene MCQs

Question: In which year Alexander Fleming discovered an enzyme

a) 1921

b) 1912

c) 1907

d) 1984

Answer: 1921

Question: Any condition that interferes with the normal body functions due to some reasons is called

a) disease

b) Health

c) none

d) Hereditary

Answer: disease

Question: A state of complete physical, mental and social well-being and not merely the absence of disease is defined as

a) Health

b) consumption

c) none

d) disease

Answer: Health

Question: Diseases can be categorised into _______ categories

a) 8

b) 6

c) none

d) 2

Answer: 8

Question: Diseases which are present in the body from the birth are called _______ diseases

a) congenital

b) none

c) Leprosy

d) Haemophilia

Answer: congenital

Question: The main cause congenital diseases is due to a _______

a) genetic abnormality

b) Hereditary

c) diabetic

d) none

Answer: genetic abnormality

Question: ________ is a group of inherited blood disorders in which the loses its ability to clot.

a) Haemophilia

b) Colour blindness

c) none

d) none

Answer: Haemophilia

Question: Acquired diseases develop – after

a) after birth

b) before birth

c) both

d) none

Answer: after birth

Question: Diseases that can be passed from an infected person to a healthy person in direct or indirect manner are called

a) communicable diseases

b) none

c) non communicable disease

d) Droplet diseases

Answer: communicable diseases

Question: Virus belongs to which disease

a) common cold

b) Typhoid

c) tetanus

d) cholera

Answer: common cold

Question: Protozoa belongs to which disease

a) malaria

b) ascariases

c) botulism

d) leprosy

Answer: malaria

Question: Worms belongs to which disease

a) Amoebiasis

b) swine flue

c) Elephantiasis

d) diptheria

Answer: Amoebiasis

Question: Some diseases are not spread from person to person or by microorganisms or directly or indirectly are called

a) non-communicable

b) none

c) hereditary

d) communicable

Answer: non-communicable

Question: Communicable diseases can spread through an infected person or through various mode such as air, water, food, and organisms known as

a) vectors

b) Tuberculosis

c) both

d) none

Answer: vectors

Question: Bacteria are found everywhere in the

a) all

b) soil

c) water, food

d) air

Answer: all

Question: Cholera is caused by bacterium

a) vibrio cholerae

b) Microbacterium leproe

c) Salmonella Typhi

d) clostridium tetani

Answer: vibrio cholerae

Question: Protozoa are ________ organisms

a) multicellular

b) doubled called

c) single celled

d) none

Answer: multicellular

Question: Amoebiasis is caused by

a) Entamoeba histolyticad

b) none

c) Vibrio cholerae

d) Salmonella Typhi

Answer: Entamoeba histolyticad

Question: Typhoid is caused by a rod shaped bacteria called

a) Salmonello Typhi

b) none

c) wichu

d) Micobacteria

Answer: Salmonello Typhi

Question: The period between the exposure to an infection and the appearance of the first symptom are called

a) malnutrion

b) Incubation

c) both

d) none

Answer: malnutrion

Question: When the supply of all nutrients is done in right amount and ration according to the need of the body, we call it a

a) Protein

b) carbohydrates

c) none

d) balance diet

Answer: Protein

Question: Marasmus results due to the deficiency of

a) Proteins and fats

b) Protein starch

c) none

d) Proteins and carbohydrate

Answer: Proteins and fats

Question: Full form of HIV is

a) Human Immunodeficiency virus

b) Human immunity virus

c) Health Immunodeficiency virus

d) none

Answer: Human Immunodeficiency virus

Question: Conjunctivitis, a viral infection of

a) eyes

b) throat

c) ear

d) nose

Answer: eyes