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

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Questions
91 Widal test is used for diagnosis of
1 Typhoid
2 Cancer
3 AIDS
4 Malaria

Answer: Typhoid
92 Leprosy is ______ type of disease
1 Non-contagious
2 contagious
3 Allergic
4 Hormonal

Answer: contagious
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93 Which one of the following is a degenerative disease?
1 Cataract
2 Kwashiorkar
3 Cretinism
4 Marasmus

Answer: Cataract
94 Typhus fever is caused by ______.
1 Fungi
2 Bacteria
3 Virus
4 Rickettsia

Answer: Rickettsia
95 AIDS causing HIV principally infects
1 All lymphocytes
2 Activator B-cells
3 T4 lymphocytes
4 Cytotoxic T-cells

Answer: T4 lymphocytes
96 A person was found to HIV positive by ELISA. The test that affirms it is
1 Southern blot
2 Northern blot
3 Western blot
4 All the above

Answer: Western blot
97 Breast cancer is the example of ______ disease.
1 Deficiency
2 Hormonal
3 Allergic
4 Malignant

Answer: Malignant
98 HIV is retrovirus as its genetic information is contained in
1 DNA
2 DNA instead of RNA
3 RNA instead of DNA
4 Protein

Answer: RNA instead of DNA
99 Malaria is caused by _____.
1 Ascaris
2 Plasmodium
3 Entamoeba
4 Trypanosoma

Answer: Plasmodium
100 Disease existing at or before birth is
1 Congenital
2 Communicable
3 Noncommunicable
4 None of these

Answer: Congenital
101 Cancerous cells are killed by radiations because they are
1 Dividing rapidly
2 Deprived of oxigen
3 Starved
4 Mutating fast

Answer: Dividing rapidly
102 Cancer of cervix is caused by
1 Human Papilloma virus
2 Pep pills
3 Epstein Barr Virus
4 Fetty diet

Answer: Human Papilloma virus
103 Kwashiorkor and beri-beri are
1 Communicable diseases
2 Infectious diseases
3 Deficiency diseases
4 None of the above

Answer: Deficiency diseases
104 Sarcoma is cancer of
1 Epithelial tissue
2 Mesodermal tissue
3 Blood
4 Endodermal tissues

Answer: Mesodermal tissue
105 Which of the followings is a structural changes in cancer cells?
1 Apoplasia
2 Metastasis
3 Both (1) and (2)
4 Neithr (1) nor (2)

Answer: Apoplasia

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