Skip to content
Login Register

General Aptitude and Chemistry

The General Aptitude and Chemistry category brings together practice questions that test logical reasoning, quantitative skills, and basic chemistry concepts. It helps learners strengthen problem‑solving abilities while revising fundamental chemical principles.

23 questions

General Aptitude and Chemistry

The freezing point of 80 g of acetic acid (freezing point constant 3.9 K kg mol ⁻¹ ) was lowered by 7.8 K due to the add

Biologically, molecular bonding operates via hybridization and orbital overlap dictate geometry and reactivity. Thus Option NAT is appropriate since it satisfies bonding and stability criteria, reinforcing core concepts taught in chemistry.

Ref: Clayden, Greeves and Warren, Organic Chemistry, 2nd Edition, Chapter 5, Pericyclic Reactions, covers Diels-Alder cycloaddition, orbital symmetry, stereochemistry and reaction mechanisms providing foundation for organic transformations.

View Details
General Aptitude and Chemistry

Given the standard reduction potentials, Emg ⁺ /Mg = -2.37 V and EAg ⁺ /Ag = 0. 80 V, the potential of the following cel

This outcome reflects membrane organization, where lipid bilayer and protein trafficking maintain compartmentalization. Option NAT captures this correctly because it aligns with organelle function and transport, consistent with textbook descriptions and experimental observations in cell biology.

Ref: Lodish et al., Molecular Cell Biology, 8th Edition, Chapter 13, Cytoskeleton and Motility, covers microtubules, actin filaments, intermediate filaments and motor proteins explaining cellular architecture, intracellular transport and motility.

View Details
General Aptitude and Chemistry

The total number of possible geometrical isomer(s) for [PtBrCI(NH3)(py)] ⁰ is ---· (Given: py =Pyridine and atomic numbe

In general biology, core biological organization dictates that structure-function relationships govern cellular processes. Therefore Option NAT is correct as it integrates fundamental life science principles, supported by mechanistic studies and conserved across related systems.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

View Details
General Aptitude and Chemistry

Given the following standard heats of formation, = 314. 6 kJ mol ⁻¹ 5.4 kJ mol ⁻¹ , and = 218. o kJ mol ⁻¹ , the average

The principle of molecular bonding explains that hybridization and orbital overlap dictate geometry and reactivity. Hence Option NAT fits best because it satisfies bonding and stability criteria, as documented in authoritative sources on chemistry.

Ref: Atkins and de Paula, Physical Chemistry, 11th Edition, Chapter 14, Molecular Structure and Bonding, discusses VSEPR, hybridization, molecular orbitals, dipole moments and spectroscopic properties explaining chemical bonding and reactivity.

View Details
General Aptitude and Chemistry

A solution of a compound shows an absorbance of 0.42 at 275 nm in a cuvette with 0.1 dm light path. The molar absorptivi

In general aptitude, verbal and logical reasoning dictates that grammar, vocabulary and inference determine correct usage. Therefore Option NAT is correct as it meets linguistic and logical standards, supported by mechanistic studies and conserved across related systems.

Ref: Agrawal, Quantitative Aptitude for Competitive Examinations, Chapter 5, Logical Reasoning and Probability, covers ratios, percentages, probability, logical inference and analytical reasoning explaining problem-solving strategies for competitive assessments.

View Details
General Aptitude and Chemistry

The ground state energy of an electron in a hydrogen atom is -13.60 e V. The energy of the electron in the third excited

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Option NAT emerges as the valid choice since it integrates fundamental life science principles, aligning with established principles in general biology literature.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles, molecular organization, cellular structure and metabolic processes providing broad foundation for life sciences understanding.

View Details
General Aptitude and Chemistry

The time taken by a first order reaction to reach 90% completion is 20 s. The time taken for the reaction to reach 50% c

Understanding molecular bonding reveals hybridization and orbital overlap dictate geometry and reactivity. Therefore Option NAT is correct because it satisfies bonding and stability criteria, which underpins key processes in chemistry.

Ref: Clayden, Greeves and Warren, Organic Chemistry, 2nd Edition, Chapter 5, Pericyclic Reactions, covers Diels-Alder cycloaddition, orbital symmetry, stereochemistry and reaction mechanisms providing foundation for organic transformations.

View Details
General Aptitude and Chemistry

For a reaction, X - Products Group I contains three plots of reactant concentrations as functions of time, where x = con

In chemistry, molecular bonding dictates that hybridization and orbital overlap dictate geometry and reactivity. Therefore (P)- (2), (Q)- (3), (R) - (1) is correct as it satisfies bonding and stability criteria, supported by mechanistic studies and conserved across related systems.

Ref: Atkins and de Paula, Physical Chemistry, 11th Edition, Chapter 14, Molecular Structure and Bonding, discusses VSEPR, hybridization, molecular orbitals, dipole moments and spectroscopic properties explaining chemical bonding and reactivity.

View Details
General Aptitude and Chemistry

The geometry of Fe(CO) ₅ is (Given: Atomic number of Fe = 26)

Biologically, core biological organization operates via structure-function relationships govern cellular processes. Thus trigonal bipyramidal is appropriate since it integrates fundamental life science principles, reinforcing core concepts taught in general biology.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

View Details
General Aptitude and Chemistry

Six students P, Q, R, S, T and U, with distinct heights, compare their heights and make the following observations. Obse

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence S fits best because it integrates fundamental life science principles, as documented in authoritative sources on general biology.

Ref: Alberts et al., Essential Cell Biology, 5th Edition, Chapter 1, Introduction to Cells, covers cellular organization, molecular mechanisms, genetic information and biological systems offering integrated perspective on core life science concepts.

View Details
General Aptitude and Chemistry

The number of students in three classes is in the ratio 3:13:6. If 18 students are added to each class, the ratio change

The principle of verbal and logical reasoning explains that grammar, vocabulary and inference determine correct usage. Hence 88 fits best because it meets linguistic and logical standards, as documented in authoritative sources on general aptitude.

Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, Vocabulary and Usage, discusses synonyms, antonyms, spelling rules, sentence completion and comprehension providing guidance for verbal aptitude.

View Details
General Aptitude and Chemistry

Listening to music during exercise improves exercise performance and reduces discomfort. Scientists researched whether l

The principle of DNA replication fidelity explains that polymerase proofreading and origin firing ensure accurate duplication. Hence Listening to music has a clear positive effect on physical exercise. Music ha... fits best because it matches high-fidelity synthesis mechanisms, as documented in authoritative sources on molecular biology.

Ref: Alberts et al., Molecular Biology of the Cell, 6th Edition, Chapter 5, DNA Replication and Repair, discusses origin recognition, helicase activity, replication fork dynamics and leading-lagging strand synthesis ensuring high fidelity genome duplication.

View Details