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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 […]

Q.40 Which of the following is/are true about Retrovirus?(A) It contains double–stranded RNA genome(B) It can cause cancer(C) It contains reverse transcriptase(D) It contains double–stranded DNA genome Retroviruses are RNA […]

Q.39 Which of the following is/are trace element(s)?(A) Mn(B) P(C) S(D) Zn Mn and Zn are trace elements (micronutrients) required by plants in very small amounts, while P and S […]