Tag: TIFR Previous Year Question Papers Biology PYQ With Answer Key Download

11. 8 professionals can paint a house in 12 days. However, it takes 12 amateurs 16 days to paint the same house. 16 professional painters started painting the house. After […]

10. If the arithmetic mean of two positive numbers is equal to square of their geometric mean. What is their harmonic mean? a. 1 b. 0 c. ½ d. Cannot […]

9. Bacillus Calmette-Guerin (BCG) is a vaccine that is primarily used against tuberculosis. You review a paper in which the authors test if BCG vaccination can provide protection against COVID19. […]

8. A heritable disease in humans starts expressing after 45 years of age and leads to fatality more often than not. Which of the following statements is the correct prediction […]

7. Which of the following is not a zoonotic disease? a. Measles b. Covid-19 c. Dengue Fever d. Leprosy The correct answer is a. Measles. Measles is not a zoonotic disease; […]

6. A mosquito-borne disease was known to be prevalent in the foothills of a mountain in Africa. However, over the last decade, the disease has increasingly been found among people […]

5. A screw gauge gives the following reading to measure the diameter of a wire. Main scale reading: 0 mm Circular scale reading: 52 divisions. Given that 1 mm on […]

4. Two balls are drawn at random from a box having 2 red and 4 blue balls. What is the probability of drawing one red and one blue ball? a. […]

3. There is an annoying delay in the voice on Zoom calls. This is because: a. There is a delay when the signal is transmitted to the Zoom data-server in […]

2. COVAXINTM by Bharat Biotech is an indigenous vaccine against Covid-19. Which type of vaccine is it? a. Encapsulated mRNA encoding the spike protein b. Adenovirus expressing the SARS-CoV-2 spike […]