NCERT - Health and Diseases Questions and Answers of Class 12 Biology | GkSeries

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Questions
151 A droplet infection is
1 Tetanus
2 Pneumonia
3 Syphilis
4 Typhoid

Answer: Pneumonia
152 A person preparing food (e.g., Mary Milton) can be a major source of spread of disease
1 Pneumonia
2 Syphilis
3 Typhoid
4 Cancer

Answer: Typhoid
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153 Xerophthalmia in children and night blindness in adults is caused by the deficiency of
1 Vitamin B
2 Vitamin C
3 Vitamin A
4 Vitamin K

Answer: Vitamin A
154 AIDS was first reported in
1 England
2 U.S.A.
3 France
4 India

Answer: U.S.A.
1555 Insulin deficiency causes
1 Diabetes insipidus
2 Goitre
3 Diabetes mellitus
4 All of the above

Answer: Diabetes mellitus
156 HIV has a protein coat and a genetic material which is
1 ss DNA
2 ds DNA
3 ss RNA
4 ds RNA

Answer: ss RNA
157 Deficiency of vitamin C/Ascorbic acid causes
1 Rickets
2 Beri-beri
3 Scurvy
4 Night blindness

Answer: Scurvy
158 HIV reduces natural immunity of body by destroying
1 B-lymphocytes
2 T-lymphocytes
3 Antibodies
4 Erythrocytes

Answer: T-lymphocytes
159 Insulin deficiency causes
1 Huntington’s chorea
2 Cretinism
3 Diabetes insipidus
4 Diabetes mellitus

Answer: Diabetes mellitus
160 Generally streptococcus pneumoniae causes pneumonia but which bacteria is responsible for this diseare ?
1 Pneumococcus
2 Tuberculosis
3 Haemophilus influenzae
4 Salmonella typhi

Answer: Haemophilus influenzae
161 The spherical from of metacryptomezoites is called _____
1 Sporozoites
2 Trophozoite
3 Trophozoite
4 Gamato cyte

Answer: Cryptoschizont
162 Give the name of scientist who are concern with interferon word.
1 Watson & Crick
2 Khorana
3 Luis pasteur & Stemberg
4 Ellic isaks & jan lindenmen

Answer: Ellic isaks & jan lindenmen
163 Which one is odd ?
1 Opium popy -gives pleasant feeling
2 Claviceps Purpurea-Hallucinogenic
3 Erythrolum Coca-Potent stimulating action
4 Cannabis Sativa-give pain

Answer: Cannabis Sativa-give pain
164 Which one is odd ?
1 Cannabinoids
2 Ganj'a
3 Charas
4 Smack

Answer: Smack
165 Mark odd one
1 Burning sensation in intestine
2 Burning sensation in Alveoli
3 Headache
4 Increase in size of liver & spleen

Answer: Burning sensation in Alveoli

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