List of practice Questions

An ideal gas goes through a reversible isothermal expansion (solid line) followed by a reversible adiabatic expansion (dashed line). Which of the following diagram(s) closely depict(s) the entire process?

100 mL of 1.0 M aqueous NaOH solution was diluted to 1.0 L by adding water. Half of this solution was discarded. A new 100 mL of 0.5 M aqueous NaOH solution was added to the remaining solution. What is the concentration of the final aqueous NaOH solution?

What is the order of pK$_b$ for the following molecules in an aqueous medium?

What are X and P in the following reaction sequence?

Consider the following silica-gel based thin-layer chromatogram of compounds A and B. Which one of the following statements is correct?

Which one of the following molecules is chiral?

Which one is an INCORRECT statement with regard to the following reaction?

What is the order of bond energy between C=S & C=Te, and between Cl–Cl & F–F?

Metal-ligand $\pi$-bond formation in Mn$_2$(CO)$_{10}$ and [MnO$_4$]$^-$ requires electron-pair donation between metal and ligand orbitals. Which one of the following represents the direction of electron-pair donation?

Which one of the following molecules shows an increase in bond order after loss of an electron from the highest occupied molecular orbital?

What are the numbers of protons (H$^+$) and electrons (e$^-$), respectively, required for the reduction of [Cr$_2$O$_7$]$^{2-}$ to Cr$^{3+}$ under an aqueous acidic condition?

Which one of the following octahedral complexes has the highest spin-only magnetic moment?

A female child is born with all the primary oocytes required during her lifetime. At which one of the following stages of cell division are these oocytes found at birth?

The following pedigree diagram shows the inheritance of a rare genetic disorder in a family (filled shapes depict affected individuals). Which one of the following is the most likely pattern of inheritance of the disorder?

Which one of the following molecules can be used for RNA interference?

For which one of the following parents, their children will NOT have the same blood group phenotype as either of the parents?

Which of the following schematics correctly depict a lac operon that can be negatively regulated?

In which one of the following cases, will an anti-Rh antibody treatment prevent erythroblastosis foetalis?

Which one of the following correctly describes the sequence of events leading to muscle contraction following acetylcholine release at the neuromuscular junction?

Which one of the following is the correct sequence of the coding strand of the given gene?

If cell wall was used as the only criterion for classifying organisms, then Mycoplasma would have belonged to which one of the following groups?

Which one of the following correctly describes the mode of action of Follicle Stimulating Hormone (FSH) and estrogen?

For which one of the following enzyme activity plots, will the K$_m$ of the enzyme for substrate ‘S' be 20? [S] indicates substrate concentration.

The pBR322 cloning vector has genes coding for tetracycline and ampicillin resistance. A foreign DNA to be cloned is inserted into the tetracycline resistance gene and the recombinant plasmid is then transformed into E. coli cells. Which one of the following choices is the most likely outcome of this cloning reaction?

The graphs below depict the number of individuals of two organisms, named P and Q, when grown independently, and together. Based on these growth patterns, which one of the following statements is correct?