Q.8 The “strong nuclear force” holds the protons and neutrons (nucleons) together in the nucleus of anatom. It is found that the binding energy per nucleon (for the nucleus of […]
Q.7 Among the following pairs of co-ordination compounds, the pair(s) which represent(s) a case of“ionization isomerism” is (are):(A) [Pt(en) 2 Cl 2 ]Br 2 and [Pt(en)2 Br 2 ]Cl 2(B) […]
Q.6 Among the following compounds, which of these will show two singlets in their 1 H-NMRspectrum?(A) 1,4-Dichlorobenzene (B) 1,2-Dichlorobenzene(C) Dimethoxymethane (D) Methylacetate 1,4-Dichlorobenzene shows two singlets in its 1H NMR […]
Q.5 The superoxide ion, O2– , is produced by the reaction K+O 2→KO2 . The correct statement(s)pertaining to oxygen and superoxide ion is (are):(A) oxygen is paramagnetic and has two […]
Q.4 Which of the following statements about antigen-antibody (Ag-Ab) complexes is (are) TRUE?(A) Hydrogen bonds and van der Waals forces participate in Ag-Ab interactions(B) Ionic bonds and hydrophobic bonds participate […]
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 […]