Mock Test

Exam: RRB NTPC Subject: General Awareness Topic: General Science

Total Questions: 20

Q1. The regiochemistry of electrophilic addition of HX to an unsymmetrical alkene follows:

Kekulé's rule Markownikoff's rule Anti-Markownikoff's rule Zaitsev's rule
Q2. What common experiment demonstrates that air occupies space?

Inflating a balloon Dissolving sugar in water Boiling water Freezing water
Q3. Which of the following is a renewable source of energy?

Coal Natural gas Solar power Nuclear power
Q4. What is the fundamental difference between nuclear fission and nuclear fusion?

Fission splits heavy nuclei, fusion combines light nuclei. Fission releases more energy per reaction than fusion. Fission requires high temperatures, fusion does not. Fission produces less radioactive waste than fusion.
Q5. A large structure used to capture wind energy is called a:

Solar panel Dam Wind turbine Geothermal plant
Q6. What is the role of an 'editor' in a scientific journal?

To conduct the research being published To manage the peer review process and make publication decisions To solely write the articles To design the journal's cover art
Q7. The efficiency of a perfect heat engine operating between temperatures T1 (hot reservoir) and T2 (cold reservoir) is given by:

(T1 - T2) / T1 T1 / (T1 - T2) (T1 + T2) / T1 T2 / (T1 - T2)
Q8. What is the main cause of the hole in the ozone layer?

Carbon emissions Deforestation Chlorofluorocarbons Methane emissions
Q9. Isaac Asimov's 'Foundation' series, a cornerstone of the genre, is renowned for its concept of psychohistory. What is psychohistory?

The study of alien consciousness through psychological profiling The mathematical prediction of future societal trends on a galactic scale The exploration of time travel paradoxes through quantum mechanics The analysis of individual behavior in extreme survival situations
Q10. Which fundamental force is described by the Law of Universal Gravitation, stating that every particle attracts every other particle in the universe?

Electromagnetic force Strong nuclear force Weak nuclear force Gravitational force
Q11. What is the primary function of peroxisomes?

Protein folding Breakdown of fatty acids and detoxification of harmful substances DNA replication Lipid synthesis
Q12. The reaction between an acid and a base to form salt and water is called:

Dissociation Ionization Neutralization Decomposition
Q13. Who developed the first successful Indian satellite, Aryabhata?

Vikram Sarabhai Homi Bhabha A. P. J. Abdul Kalam Satish Dhawan
Q14. In the context of population dynamics, a 'density-dependent factor' is one that:

Affects population growth regardless of population size. Becomes more intense as population density increases. Is independent of environmental conditions. Primarily limits populations at low densities.
Q15. Who discovered the laws of motion?

Isaac Newton Albert Einstein Galileo Galilei Marie Curie
Q16. What is the main benefit of using 'blockchain' for supply chain management?

Reduced transparency and traceability Increased efficiency and transparency in tracking goods Higher transaction costs Limited ability to secure data
Q17. Osteoporosis is characterized by a decrease in bone density, making bones brittle. Which hormones play a crucial role in maintaining bone mass and are often implicated in the development of osteoporosis, especially in postmenopausal women?

Insulin and Glucagon Cortisol and Aldosterone Estrogen and Parathyroid Hormone (PTH) Thyroxine and Triiodothyronine (T3)
Q18. Which branch of science studies the human mind and behavior?

Sociology Anthropology Psychology Philosophy
Q19. The process of gene therapy involves introducing genetic material into a patient's cells. Which of the following vectors is LEAST likely to be used in human gene therapy due to potential immunogenicity and insertional mutagenesis concerns?

Adeno-associated virus (AAV) Lentivirus Retrovirus Adenovirus
Q20. What is the chemical symbol for gold?

Au Ag Fe Cu

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