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| TIFR Biology Previous Year Paper
I am looking for the TIFR Biology Previous Year Paper, can you provide me the same??? Hello friend as you want the Previous Year question paper of TIFR Biology so here I am providing you the same…. GENERAL: 1. A father’s blood group is AB; the mother’s is O. Which of the following blood groups could appear in their offspring? a. AB b. O c. A or B d. None of the above 2. Chandrayaan-1, India’s unmanned probe to the moon was recently in the news because it produced evidence for the presence of a. Liquid water b. Titanium c. Water molecules d. Permafrost 3. In 2009, a survey revealed that more children than average were born in Indian cities that had above-average numbers of Cellphone towers. This could be because: a. Cellphone radiation can influence biological processes. b. More cellphone towers are placed in highly populated areas. c. Fewer single people tend to have mobile phones than married people. d. The number of cellphone towers is an indication of average income. 4. Assume people’s birthdays are uniformly distributed amongst 365 days in a year (ignore the leap years). What is the minimum number of people that you must collect in a room to be sure that at least two share a birthday? a. 23 b. 365 c. 366 d. 1825 5. What proportion of the genes of two worker bees from a hive will be identical? a. 50% b. 25 - 75 % c. 100% d. depends on the parentage of the bees concerned 6. What volume of 20% Sucrose would you use to make 2mL of 5% Sucrose solution a. 0.0005 mL b. 0.05mL c. 0.5mL d. 0.005mL 7. The plot of concentration of product formed in a hypothetical chemical reaction versus time follows an exponential curve. What will be the shape of the plot of the net forward rate of the reaction versus time? a. exponential b. linear c. parabolic d. hyperbolic. 8. What is the effective H3O+ concentration in a 10 mM Phosphate buffer at pH 4.0? a. 10-4 x 10-14 M b. 10-4 + 10-7 M c. 10-4 M d. none of the above 9. You are trying to walk across the slippery floor of a 10 meter wide room. You take uniform steps of 0.5metre each. There is a 10% probability that you will slip and fall at every step. What is the chance that you will make it half-way across, and then slip to fall exactly in the middle of the room? a. (0.1)10 x (0.9) b. (0.1) x (0.9)10 c. 0.5 d. None of the above        Rest of the questions here I am attaching pdf file, please download it… Last edited by Neelurk; April 6th, 2020 at 02:10 PM. |