General Science Mock Test | BPSC

Q1. The Plastic Waste (Management and Handling) Rules, 2011, were revised in 2016 to address the growing problem of plastic waste. What was a significant addition in the 2016 revision?

Ban on single-use plastics Emphasis on extended producer responsibility Introduction of plastic recycling targets Regulation of plastic packaging materials

Q2. Which part of the human brain is responsible for coordinating voluntary movements and balance?

Cerebrum Cerebellum Brainstem Hypothalamus

Q3. Which type of analysis identifies relationships between different environmental variables?

Descriptive analysis Inferential analysis Correlation analysis Exploratory data analysis

Q4. What is the general formula for alkynes?

CnH2n+2 CnH2n CnH2n-2 CnHn

Q5. Which atmospheric phenomenon is responsible for the 'London Smog' of 1952?

Photochemical smog Thermal inversion and coal burning Volcanic ash cloud High humidity

Q6. For a diatomic ideal gas undergoing adiabatic expansion, the relationship between temperature and volume is given by TV^(γ-1) = constant. What is the value of γ for a diatomic gas?

1.4 1.67 1.33 1.2

Q7. Genetically Modified Organisms (GMOs) are organisms whose genetic material has been altered using:

Classical breeding methods Tissue culture Genetic engineering Selective breeding

Q8. The 'scoping' report typically serves to:

Provide final approval for the project Outline the terms of reference for the full EIA study Detail the mitigation measures for all identified impacts Summarize the project's economic benefits

Q9. The term 'ligand' in coordination chemistry refers to:

The central metal atom The counter ion A molecule or ion that donates electron pairs to the central metal atom The overall charge of the complex

Q10. The release of newly formed virions from a host cell can occur through:

Budding Lysis Both budding and lysis Replication

Q11. The magnetic susceptibility (χ) of a diamagnetic material is:

Positive and large Positive and small Negative and small Zero

Q12. The Tuskegee Syphilis Study, a historical event that heavily influenced modern research ethics, primarily violated which of the Belmont Report's core principles?

Justice Respect for Persons Beneficence All of the above

Q13. The catalytic converter in vehicles significantly reduces emissions of CO, NOx, and unburned hydrocarbons. Which of the following catalytic reactions is LEAST likely to occur in a typical three-way catalytic converter?

Oxidation of CO to CO2 Reduction of NOx to N2 Oxidation of hydrocarbons to CO2 and H2O Reduction of CO2 to CO

Q14. Biomagnification refers to:

The increase in size of organisms over generations The accumulation of toxins in organisms at higher trophic levels The process of photosynthesis The movement of water through an ecosystem

Q15. Epigenetic inheritance refers to heritable changes in gene expression that occur without alterations to the underlying DNA sequence. Which of the following is a primary mechanism of epigenetic inheritance?

Point mutations in coding regions. Recombination during meiosis. Patterns of DNA methylation and histone modifications. Somatic hypermutation in antibody genes.

Q16. Which of the following molecules is likely to have the strongest dipole-dipole interactions?

CH4 CO2 HCl N2

Q17. Which type of selection favors individuals at both extremes of the phenotypic range?

Directional Selection Stabilizing Selection Disruptive Selection Balancing Selection

Q18. Dalton's Law of Partial Pressures states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the individual gases. If a container holds 2 moles of N2 at 3 atm and 3 moles of O2 at 5 atm, what is the total pressure if they are mixed in the same container at the same temperature?

3 atm 5 atm 8 atm 15 atm

Q19. Which of the following is a quantized property in a quantum mechanical system?

Energy Velocity Position Time

Q20. The atomic number of Helium is:

0 1 2 3

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