Tag: iit jam biotechnology previous year paper PYQ

Q.50 The total number of multiplet peaks in the 1 H NMR spectrum of 1,3,5-tri-isopropylbenzene inCDCl 3 is ________. The total number of multiplet peaks in the ¹H NMR spectrum […]

Q.49 The total number of lone pairs of electrons in NO2 F is _______. The total number of lone pairs of electrons in NO₂F is 6. NO₂F, or nitryl fluoride, […]

Q.48 A metallic wire of electrical resistance 40 Ω is bent in the form of a square loop. The resistancebetween any two diagonally opposite corners is ________ Ω. A metallic […]

Q.47 The refractive index of a liquid relative to air is 1.5. Calculate the ratio of the real depth to theapparent depth when the liquid is taken in a beaker. […]

Q.46 Proinsulin is an 84 residue polypeptide with six cysteines. How many different disulfidecombinations are possible? Proinsulin with six cysteines can form 15 different disulfide combinations. This calculation arises from the […]

Q.45 Heterozygous female fruit flies with gray body and purple eyes were mated with homozygous males with black body and red eyes. The number of offspring obtained and their phenotypes […]

Q.44 Let N be the set of natural numbers and f: N↦N be defined by f(x) = { x/2, if x even 3x+1, if x odd } Let fn(x) denote […]

Q.43 Let XYZ be an equilateral triangle and let P, Q, R be the mid points of YZ, XZ, and XY, respectively. Let r = Area(∆PQR)Area(∆XYZ). The value of r […]

Q.42 A 0.1% (w/v) solution of a protein absorbs 20% of the incident light. What fraction of light istransmitted if the concentration is increased to 0.4%? [Correct to two decimal […]

Q.41 C3 plants utilize 18 molecules of ATP to synthesize one molecule of glucose from CO 2 . How manymolecules of ATP equivalents are used by C 4 plants to […]