Blog

Q.3 N and N0 represent the number of viable cells at time ‘t’ during sterilization and at the start ofsterilization (t=0), respectively. Assuming that cell death follows first order kinetics […]

Q.2 What is (are) the difference(s) between microtubules and microfilaments?(A) Microtubules are made up of tubulin and microfilaments are made up of intermediate filaments(B) Microtubules are important for compression resistance […]

Q.1 In a large wild flower population, assume that no new mutations occur and that no natural selectionoperates. What factor(s) will affect the frequency of a genotype in this population?(A) […]

Q.30 If ܣ and ܤ are two skew-symmetric matrices, the matrix ܣܣܤ ൅ ܤ must be(A) skew-symmetric (B) symmetric(C) invertible (D) NOT invertible The matrix AB+BAAB+BA is symmetric when AA and BB are skew-symmetric matrices. This follows […]

Q.29 The lengths of two sides of a triangle are 2 units and 3 units and the angle included by these twosides is 60 . The length of the third […]

Q.28 Let nCrnCr denote the number n!r!(n−r)!r!(n−r)!n!. Then for n=100n=100, the sum of the series 1−nC1+nC2−nC3+⋯+(−1)rnCr+⋯+(−1)nnCn1−nC1+nC2−nC3+⋯+(−1)rnCr+⋯+(−1)nnCn is (A) 0 (B) 1 (C) 2 (D) 1024 Quick Answer The given series is an alternating binomial […]

Q.27 Three NOT gates are connected in series and the output of the last gate is fed back to the input of the first one as shown in the figure. […]

Q.26 The minimum light intensity that the human eye can perceive is 10−10 W m−210−10 W m−2. The area of opening of our eye (the pupil) is approximately 0.4 cm20.4 cm2. Consider yellow light with wavelength λ=600 nmλ=600 nm. The number […]

Q.25 An archaeological sample (remains of an animal) containing 14C14C isotope of Carbon is found to give 10 beta decays per minute per gram of Carbon. It is known that the natural […]

Q.24 The major product in the following reaction is Introduction The question shows diethyl 3‑oxoglutarate treated successively with NaOEt/EtOH, Br(CH₂)₂Br, followed by acidic hydrolysis and heating, and asks for the major […]