(A) | Non-ionizing radiations like X-rays and \(\gamma\)-rays cause DNA damage leading to neoplastic transformation. |
(B) | MRI plays a significant role in detecting cancers of internal organs. |
(C) | Cellular oncogenes are inactivated under UV-rays leading to oncogenic transformation of cells. |
(A) | (B) | (C) | |
1. | F | T | T |
2. | F | F | T |
3. | F | T | F |
4. | T | F | F |
Statement A: | Injection of dead/inactivated pathogens causes passive immunity. |
Statement B: | Preformed antibodies need to be injected to treat the bite of a viper snake. |
List-I | List-II | ||
a. | Typhoid | (i) | Streptococcus pneumoniae |
b. | Pneumonia | (ii) | Plasmodium falciparum |
c. | Ringworm | (iii) | Salmonella typhi |
d. | Malignant malaria | (iv) | Microsporum |
Column-I | Column-II | ||
a. | Physical barrier | (i) | Interferons |
b. | Physiological barrier | (ii) | Polymorpho-nuclear leukocytes |
c. | Cellular barrier | (iii) | Acid in stomach |
d. | Cytokine | (iv) | Mucus lining of urogenital tract |
(a) | Hippocrates considered health as a state of body and mind where there was a balance of certain ‘humors’. |
(b) | Willian Harvey proved the ‘good humor’ hypothesis of health by using an experimental method and the demonstration of normal body temperature in persons with blackbile. |
(c) | Earlier, it was thought that persons with ‘blackbile’ belonged to hot personality and would have fevers. |