Undergraduate

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Q. Which of the following best describes the arrangement of particles in a liquid? (2023)
  • A. Random and far apart
  • B. Close together and fixed
  • C. Close together but can move past each other
  • D. Random and tightly packed
Q. Which of the following best describes the behavior of gases according to the kinetic molecular theory? (2019)
  • A. Particles are tightly packed
  • B. Particles are in fixed positions
  • C. Particles are in constant random motion
  • D. Particles have strong intermolecular forces
Q. Which of the following best describes the concept of 'survival of the fittest'?
  • A. Only the strongest survive
  • B. The most adaptable survive
  • C. The fastest survive
  • D. The largest survive
Q. Which of the following best describes the particles in a gas? (2015)
  • A. Tightly packed and vibrating
  • B. Close together and sliding past each other
  • C. Far apart and moving freely
  • D. Fixed in place
Q. Which of the following best describes the process of adaptive radiation? (1959)
  • A. Rapid evolution of many species from a common ancestor
  • B. Evolution of similar traits in unrelated species
  • C. Gradual change in a species over time
  • D. Extinction of species due to environmental changes
Q. Which of the following best describes the term 'carrying capacity'? (2020)
  • A. The maximum population size that an environment can sustain
  • B. The minimum population size for survival
  • C. The average population size over time
  • D. The population size at which birth rates equal death rates
Q. Which of the following best describes the term 'fitness' in an evolutionary context? (2005)
  • A. Physical strength
  • B. Reproductive success
  • C. Survival rate
  • D. Adaptability to change
Q. Which of the following biomolecules is primarily responsible for genetic information? (2021)
  • A. Proteins
  • B. Carbohydrates
  • C. Nucleic acids
  • D. Lipids
Q. Which of the following biotechnological applications is used in the production of biofuels? (2023)
  • A. Gene therapy
  • B. Microbial fermentation
  • C. Cloning
  • D. Tissue culture
Q. Which of the following biotechnological applications is used in the treatment of genetic disorders? (2021)
  • A. Gene therapy
  • B. Bioremediation
  • C. Fermentation
  • D. Tissue culture
Q. Which of the following carboxylic acids has a pungent odor? (2022)
  • A. Acetic acid
  • B. Butanoic acid
  • C. Formic acid
  • D. Propanoic acid
Q. Which of the following carboxylic acids has the highest boiling point? (2020)
  • A. Formic acid
  • B. Acetic acid
  • C. Propanoic acid
  • D. Butanoic acid
Q. Which of the following changes will increase the yield of products in an endothermic reaction at equilibrium? (2023)
  • A. Increase temperature
  • B. Decrease pressure
  • C. Increase concentration of products
  • D. Add a catalyst
Q. Which of the following changes will NOT affect the position of equilibrium in a chemical reaction?
  • A. Changing the concentration of reactants
  • B. Changing the temperature
  • C. Adding a catalyst
  • D. Changing the pressure
Q. Which of the following changes will shift the equilibrium to the right for the reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g)? (2022)
  • A. Increase in SO2
  • B. Increase in temperature
  • C. Decrease in pressure
  • D. Increase in O2
Q. Which of the following changes will shift the equilibrium to the right in the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)
  • A. Increasing the concentration of N2
  • B. Decreasing the temperature
  • C. Increasing the pressure
  • D. Adding a catalyst
Q. Which of the following classes of animals is known for having scales? (2023)
  • A. Amphibia
  • B. Reptilia
  • C. Mammalia
  • D. Aves
Q. Which of the following classifications is the most inclusive? (2019)
  • A. Species
  • B. Genus
  • C. Family
  • D. Kingdom
Q. Which of the following complexes exhibits geometrical isomerism? (2022) 2022
  • A. [CoCl2(NH3)4]+
  • B. [Ni(CO)4]
  • C. [CuCl2(NH3)2]
  • D. [Zn(NH3)4]2+
Q. Which of the following complexes is paramagnetic? (2023) 2023
  • A. [Ni(CN)4]2-
  • B. [Fe(H2O)6]3+
  • C. [Cu(NH3)4]2+
  • D. [Zn(NH3)4]2+
Q. Which of the following compounds can be classified as a secondary amine? (2022)
  • A. Methylamine
  • B. Dimethylamine
  • C. Ethylamine
  • D. Aniline
Q. Which of the following compounds can be oxidized to form a ketone? (2022)
  • A. 2-Propanol
  • B. Ethanol
  • C. Methanol
  • D. Butanoic acid
Q. Which of the following compounds can be prepared by the reduction of nitrobenzene? (2022)
  • A. Aniline
  • B. Benzylamine
  • C. Ethylamine
  • D. Methylamine
Q. Which of the following compounds can be used to distinguish between primary, secondary, and tertiary amines? (2023)
  • A. Bromine water
  • B. Nitrous acid
  • C. Sodium hydroxide
  • D. Hydrochloric acid
Q. Which of the following compounds contains a carboxylic acid functional group? (2021)
  • A. C2H5OH
  • B. C3H6O
  • C. C2H4COOH
  • D. C4H10
Q. Which of the following compounds contains a coordinate bond? (2023)
  • A. NH3
  • B. H2O
  • C. CO
  • D. NaCl
Q. Which of the following compounds contains a double bond? (2023)
  • A. H2O
  • B. CO2
  • C. NH3
  • D. CH4
Q. Which of the following compounds contains a p-block element in its highest oxidation state? (2023)
  • A. SO2
  • B. PCl5
  • C. Na2O
  • D. MgCl2
Q. Which of the following compounds contains a p-block element? (2022) 2022
  • A. NaCl
  • B. MgO
  • C. SiO2
  • D. Fe2O3
Q. Which of the following compounds contains hydrogen in a negative oxidation state? (2021)
  • A. HCl
  • B. NaH
  • C. H2O
  • D. NH3
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