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The Maharashtra Police Constable, MPSC, SSC and Railway Exam are crucial examinations that require a comprehensive understanding of various General Science topics. To help aspirants prepare effectively, we have compiled a set of 20 competitive-level General Science MCQs covering a wide range of subjects.
Top 20 General Science MCQs for Maharashtra, SSC and Railway 10 May 2024
These 20 General Science Multiple Choice Questions cover a diverse range of topics relevant to the Maharashtra Police Constable, MPSC Exam 2024, SSC and Railway Exam 2024. Use these questions as a tool to assess your knowledge and enhance your preparation for the upcoming examination. Remember to review the explanations and expand your understanding of each topic to ensure a well-rounded preparation. Best of luck!
- What is the largest phylum of the animal kingdom, constituting around 2/3rd of all named species on Earth?
[A] Mollusca
[B] Chordata
[C] Arthropoda
[D] Annelida
Correct Answer: [C] Arthropoda - Which phylum includes organisms such as ants, mosquitoes, flies, cockroaches, shrimp, crabs, spiders, and scorpions?
[A] Mollusca
[B] Chordata
[C] Arthropoda
[D] AnnelidaCorrect Answer: [C] Arthropoda - Leishmaniasis is a disease caused by protozoan parasites transmitted by the bite of certain species of which insect?
[A] Mosquito
[B] Sand fly
[C] Bee
[D] None of the above
Correct Answer: [B] Sand fly - Which constituents are found in polysaccharides, proteins, and nucleic acids, respectively?
[A] Sugar, Fats, Nucleotides
[B] Carbohydrates, Proteins, Fats
[C] Sugar, Amino Acids, Nucleotides
[D] None of the aboveCorrect Answer: [C] Sugar, Amino Acids, Nucleotides - Which organisms are called scavengers of ecosystems?
[A] Bacteria
[B] Fungi & Bacteria
[C] Algae, Fungi & Bacteria
[D] None of the above
Correct Answer: [B] Fungi & Bacteria - What is the process by which fungi and bacteria break down dead organic material in ecosystems?
[A] Photosynthesis
[B] Decomposition
[C] Fermentation
[D] Transpiration
Correct Answer: [B] Decomposition - What is the main role of scavengers in ecosystems?
[A] Produce oxygen
[B] Decompose dead organic material
[C] Produce energy through photosynthesis
[D] Fix nitrogen
Correct Answer: [B] Decompose dead organic material - Which class of organisms includes mosquitoes, cockroaches, ants, flies, bees, moths, grasshoppers, beetles, and butterflies?
[A] Insects
[B] Crustaceans
[C] Arachnids
[D] None of the above
Correct Answer: [A] Insects - What are the main constituents of nucleic acids?
[A] Sugar, Amino Acids, Nucleotides
[B] Polysaccharides, Proteins, Nucleic Acids
[C] Nucleotides, Proteins, Polysaccharides
[D] None of the above
Correct Answer: [A] Sugar, Amino Acids, Nucleotides - Which organisms are responsible for breaking down the bodies of dead animals in ecosystems?
[A] Carnivores
[B] Herbivores
[C] Scavengers
[D] Omnivores
Correct Answer: [C] Scavengers - What is the name of the disease caused by protozoan parasites transmitted by sandflies?
[A] Malaria
[B] Leishmaniasis
[C] Dengue
[D] Chikungunya
Correct Answer: [B] Leishmaniasis - Which class of organisms includes crabs, lobsters, shrimp, and barnacles?
[A] Insects
[B] Crustaceans
[C] Arachnids
[D] None of the above
Correct Answer: [B] Crustaceans - What phenomenon occurs when two mercury drops are brought into contact?
[A] Formation of maximum volume
[B] Formation of maximum surface area
[C] Formation of a single bigger drop with minimum surface area
[D] Formation of multiple smaller drops
Correct Answer: [C] Formation of a single bigger drop with minimum surface area - What defines gravitational mass?
[A] Ratio of weight of a body and acceleration due to gravity
[B] Ratio of acceleration due to gravity and weight of a body
[C] Matter contained in a body
[D] None of the above
Correct Answer: [A] Ratio of weight of a body and acceleration due to gravity - What property of mercury causes two drops to merge into a single drop with minimum surface area?
[A] High density
[B] Low viscosity
[C] High surface tension
[D] Low volatility
Correct Answer: [C] High surface tension - What is the measure of a liquid’s elasticity due to cohesive forces between its molecules?
[A] Density
[B] Viscosity
[C] Surface tension
[D] Volatility
Correct Answer: [C] Surface tension - What is the gravitational mass of a body?
[A] The mass of the body measured by its gravitational attraction for other bodies
[B] The mass of the body measured by its weight
[C] The ratio of weight of a body and its volume
[D] The ratio of weight of a body and its density
Correct Answer: [A] The mass of the body measured by its gravitational attraction for other bodies - What is the term for waves that are also known as compression-dilation waves or longitudinal waves?
[A] Primary waves
[B] Secondary waves
[C] Love waves
[D] Rayleigh waves
Correct Answer: [A] Primary waves - What is a displacement reaction primarily used for in thermite welding?
[A] Extraction of metals
[B] Acid indigestion
[C] Steel making
[D] Joining metals, specifically aluminium and iron
Correct Answer: [D] Joining metals, specifically aluminium and iron - In a displacement reaction, what is displaced from its compound by another atom or a set of atoms?
[A] Electrons
[B] Protons
[C] Atoms
[D] Neutrons
Correct Answer: [C] Atoms
Top 20 General Science MCQs -10 May 2024 PDF
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