Mock Test

Exam: BPSC Subject: General Science

Total Questions: 20

Q1. What is the coordination number of atoms in a face-centered cubic (FCC) lattice?

6 8 12 4
Q2. Which substance is a liquid at room temperature (approximately 25°C)?

Iron Diamond Mercury Glass
Q3. The primary function of Sertoli cells in the seminiferous tubules is:

Testosterone production Spermatozoa maturation Nourishment and support of developing spermatogenic cells Production of seminal fluid
Q4. The refractory period of an action potential ensures that:

The action potential travels in both directions Another action potential can be generated immediately The action potential travels in one direction only Neurotransmitters are synthesized faster
Q5. The innate immune system relies on pattern recognition receptors (PRRs) to detect conserved microbial structures called pathogen-associated molecular patterns (PAMPs). Which of the following is a well-characterized PRR that recognizes bacterial lipopolysaccharide (LPS)?

NLRX1 TLR9 TLR4 RIG-I
Q6. In a direct band gap semiconductor, an electron-hole recombination directly results in the emission of:

Heat Phonons Photons Electrons
Q7. Which of the following reagents would you use to convert a carboxylic acid to an ester?

Grignard reagent Fischer esterification Reduction with LiAlH4 Oxidation with KMnO4
Q8. What is the purpose of a capacitor in an AC power system?

To increase reactive power To reduce power factor To improve power factor by supplying reactive power To absorb reactive power
Q9. Which law states that the force required to move one layer of fluid past another is proportional to the area of contact and the velocity gradient?

Pascal's Law Archimedes' Principle Newton's Law of Viscosity Bernoulli's Principle
Q10. Acid rain can be monitored by measuring the:

Salinity of rivers pH of precipitation Wind speed Groundwater levels
Q11. Which of the following is an example of a moderator in a nuclear reactor?

Uranium-235 Plutonium-239 Heavy water Cadmium
Q12. An organism that eats only plants is called a:

Carnivore Omnivore Herbivore Detritivore
Q13. Water exhibits an anomalous expansion between 0°C and 4°C. Its volume at 4°C is:

Maximum Minimum Zero Equal to its volume at 0°C
Q14. The process by which a liquid turns into a gas by absorbing heat from its surroundings is called:

Condensation Evaporation Sublimation Melting
Q15. What is the goal of 'structural genomics'?

To understand gene function. To determine the three-dimensional structures of proteins. To identify and catalog all genes within a genome and understand their arrangement. To study metabolic pathways.
Q16. What does Environmental Art suggest about the role of the artist?

To be an observer only To be a creator of objects To be an interventionist and facilitator To be a critic of society
Q17. The problem of 'red tides' or harmful algal blooms (HABs) is often exacerbated by:

A decrease in nutrient availability Increased levels of dissolved oxygen Nutrient runoff, particularly nitrogen and phosphorus Reduced water temperatures
Q18. Which of the following best explains the concept of genetic drift?

The movement of genes between populations Random fluctuations in allele frequencies due to chance events Differential survival and reproduction based on traits The introduction of new mutations into a population
Q19. The flow of electrons in an electrochemical cell occurs through:

The electrolyte The salt bridge The external circuit The atmosphere
Q20. According to Arrhenius theory, an acid is a substance that:

Accepts a proton Donates a proton Increases the concentration of H+ ions in water Increases the concentration of OH- ions in water

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