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

Questions
31 Vector host of malaria is
1 Female Anopheles mosquito
2 Male Anopheles mosquito
3 Aedes mosquito
4 Culex mosquito Answer

Answer: Female Anopheles mosquito
32 Which one of the following diseases is caused by bacteria
1 Rabies
2 Small pox
3 Measles
4 Tuberculosis

Answer: Tuberculosis
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33 Which of the following is fourth dimension of health?
1 physical
2 mental
3 mental
4 spiritual

Answer: spiritual
34 Itai-Itai disease is caused by _____.
1 Mercury
2 Lead
3 Cadmium
4 Iron

Answer: Cadmium
35 Anaplasia is
1 Transfer of cancer cells
2 Formation of tumour
3 Loss of cells adherence and cell differentiation
4 Action of lysosomes over cells

Answer: Loss of cells adherence and cell differentiation
36 Heamophilia disease can transfer through ______.
1 Heredity
2 Metal
3 Pollutant
4 Vector

Answer: Heredity
37 AIDS virus spreads in the body through
1 Suppressor T-cells
2 Carrier T-cells
3 Helper T-cells
4 Killer T-cells

Answer: Helper T-cells
38 The pathogen of the typhoid is directly transmitted through
1 urine
2 water
3 blood
4 cerebrospinal

Answer: water
39 Swine Flu is caused by
1 HIV
2 HINI
3 Herpes zostr
4 Mumps virus

Answer: HINI
40 Beri-Beri is caused by the deficiency of ______.
1 Vitamin D
2 Vitamin B
3 Vitamin C
4 Vitamin E

Answer: Vitamin B
41 Sarcoma is cancer of
1 Epithelial tissue
2 Endodermal tissue
3 Ectodermal tissue
4 Mesodermal tissue

Answer: Mesodermal tissue
42 AIIDs spreads through
1 Blood transfusion
2 Placental transmission
3 Sexual contact
4 all of the above

Answer: all of the above
43 Which of the following is not congenital disease?
1 sickle cell anaemia
2 albinism
3 haemophilia
4 hepatitis

Answer: hepatitis
44 Congenital diseases caused by environmental factors are
1 PKU and sickle cell anaemia
2 Down’s syndrome and Turner’s syndrome
3 Haemophilia and colour blindness
4 Cleft palate and harelip

Answer: Cleft palate and harelip
45 Typhoid is caused by a species of
1 Streptococcus
2 Salmonella
3 Staphylococcus
4 Mycobacterium

Answer: Salmonella
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