Consider the following statements:
Which of the statement(s) given above is/are correct?
Option (d):
Statement 1 is incorrect. The Enzyme-Linked Immunosorbent Assay (ELISA) is a diagnostic technique primarily used to detect the presence of antibodies or antigens in a sample. It is commonly employed for diagnosing various infectious diseases, such as HIV/AIDS, hepatitis, and Lyme disease, as well as certain autoimmune disorders. ELISA is not a standard or primary test for general cancer detection or screening. Cancer diagnosis typically involves methods like biopsies, imaging techniques (e.g., MRI, CT scans), and specific tumor marker tests.
Statement 2 is incorrect. The Rh blood group system is determined by the presence or absence of the Rh factor, an antigen found on the surface of red blood cells. Globally, approximately 85% of the human population is Rh-positive (Rh+), meaning they possess the Rh factor. The remaining approximately 15% are Rh-negative (Rh-). Therefore, the assertion that almost 50% of human beings have Rh+ blood is factually inaccurate.
Since both Statement 1 and Statement 2 are incorrect, option (d) is the correct answer.
Option (a) is incorrect because Statement 1 is false.
Option (b) is incorrect because Statement 2 is false.
Option (c) is incorrect because both Statement 1 and Statement 2 are false.