Tag: iit jam biotechnology previous year paper PYQ

Q.50 A bacterial cell suspension contains 2  105 𝑐𝑒𝑙𝑙𝑠 𝑚𝐿−1. The volume of thissuspension required to obtain 1.4  106 𝑐𝑒𝑙𝑙𝑠 is __________ 𝑚𝐿 (rounded offto the nearest integer). […]

Q.49 Three genes x, y, and z are located on a chromosome in a linear order. If therecombination frequencies between x and y is 0.15, and between y and z […]

Q.48 The amount of agarose required to prepare 250 𝑚𝐿 of 0.8% agarose gelis __________ 𝑔𝑟𝑎𝑚𝑠 (rounded off to the nearest integer). 2 grams of agarose are required to prepare […]

Q.47 The number of peaks in the 1H NMR spectrum of methoxymethane(𝐶𝐻3𝑂𝐶𝐻3) is __________. Methoxymethane (CH₃OCH₃), also known as dimethyl ether, exhibits one peak in its ¹H NMR spectrum due […]

Q.46 For a given square, if the area of its incircle is 100 𝑐𝑚2, then the area of itscircumcircle is __________ 𝑐𝑚2 (rounded off to the nearest integer). Problem Overview […]

Q.45 A ball dropped from a bridge hits the surface of the water in 3 𝑠. The height ofthe bridge, ignoring air resistance, is __________ 𝑚 (rounded off to onedecimal […]

Q.44 The wavelength of visible light for the green color is 600 𝑛𝑚. The energy ofphotons of this color is __________ 𝑒𝑉 (rounded off to one decimal place).(Planck’s constant = […]

Q.43 One molecule of the protein myoglobin contains one atom of iron. A myoglobinsample was found to contain 0.34% iron. The molecular weight of myoglobinis __________ 𝑔 𝑚𝑜𝑙−1 (rounded off […]

Q.42 A cylinder contains 50 𝐿 of an ideal gas at a pressure of 50 𝑎𝑡𝑚. Assuming thatthe temperature remains unchanged, the volume of the gas at 1 𝑎𝑡𝑚is __________ […]

Q.41 A wooden plant accumulates 10 𝑚𝑔 𝑘𝑔−1 of 14C during its life span. A fossil ofthis plant was discovered and contains 2.5 𝑚𝑔 𝑘𝑔−1 of 14C. The age of […]