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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 12 April 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!
Q1. Which of the following are the basic categories of chemical signaling found in multicellular organisms?
(a) Paracrine signaling
(b) Autocrine signaling
(c) Endocrine signaling
(d) All of the above
Sol: (d) All of the above.
Q2. Cell signaling is __________.
(a) Intercellular
(b) Intracellular
(c) Both (a) and (b)
(d) None of the above
Sol: (c) Both (a) and (b).
Q3. Which of the following signaling is involved in Paracrine signaling?
(a) Chemical signaling
(b) Synaptic transmission
(c) Hormonal Communication
(d) Autostimulation of cell
Sol: (a) Chemical signaling.
Q4. Octopus belongs to the class________.
(a) Mollusca
(b) Pelecypoda
(c) Cephalopoda
(d) None of the above
Sol: (c) Cephalopoda.
Q5. Which of the following statements is true about Mytilus?
(a) Mytilus belongs to class Arthropoda of phylum Mollusca
(b) Mytilus belongs to class Amphineura of phylum Mollusca
(c) Mytilus belongs to class Pelecypoda of phylum Mollusca
(d) Mytilus belongs to class Echinodermata of phylum Mollusca
Sol: (c) Mytilus belongs to class Pelecypoda of phylum Mollusca.
Q6. Which of the following statements is true about the weight of the human liver?
(a) 1.30 kg to 1.56 kg
(b) 1.44 kg to 1.66 kg
(c) 1.36 kg to 1.71 kg
(d) 1.68 kg to 1.86 kg
Sol: (b) 1.44 kg to 1.66 kg.
Q7. Which of the following is the function of the human liver?
(a) Production of bile
(b) Metabolization of fats
(c) Metabolization of carbohydrates
(d) All of the above.
Sol: (d) All of the above.
Q8. Cotton, wool, silk are examples of ____________ .
(a) Plant Fibres
(b) Animal Fibres
(c) Natural Fibres
(d) Synthetic Fibres
Sol: (c) Natural Fibres.
Q9. The fleece of the lamb refers to ____________ .
(a) A popular sheep breed
(b) The white colour of the fur
(c) Hairy fibres of the sheep
(d) All of the above
Sol: (b) The white colour of the fur.
Q10. Which of the following statements is true about the rearing of silkworms?
(a)The rearing of silkworms for obtaining silk is called silk
(b)The rearing of silkworms for obtaining silk is called the cocoon
(c)The rearing of silkworms for obtaining silk is called sericulture
(d)The rearing of silkworms for obtaining silk is called silviculture
Sol: (c)The rearing of silkworms for obtaining silk is called sericulture.
Q11. The different types of carbon compounds are _________.
(a) Lipids
(b) Nucleic acids
(c) Carbohydrates
(d) All of the above
Sol. (d) All of the above.
Q12.What is the total percentage of carbon present in the human body?
(a) 15 to 16 per cent
(b) 18 to 19 per cent
(c) 20 to 25 per cent
(d) None of the above
Sol. (b) 18 to 19 per cent.
Q13. Which of the following statements is true about carbon?
(a) Carbon is the main component of carbohydrates.
(b) Carbon is a major component of living beings.
(c) Carbon is one of the basic building blocks for organic life.
(d) All of the above
Sol. (d) All of the above.
Q14. The hormone Erythropoietin is produced in________.
(a) Liver
(b) Spleen
(c) Kidney
(d) Thyroid gland
Sol. (c) Kidney.
Q15.According to the diagnostics report, the normal plasma level of erythropoietin hormone ranges from ___________.
(a) 10 to 22 U/L
(b) 10 to 25 U/L
(c) 10 to 50 U/L
(d) 10 to 75 U/L
Sol. (a) 10 to 22 U/L.
Q16. Creutzfeldt-Jakob disease (vCJD) can be contracted only if _______.
(a) Consume nerve tissues (brain and spine) of cattle infected with Mad cow disease
(b) Consume shrimp infected with E.coli
(c) Consume water tainted with E.coli
(d) None of the above
Sol. (a) Consume nerve tissues (brain and spine) of cattle infected with Mad cow disease.
Q17. Which of the following CANNOT be transmitted via infectious droplets?
(a) Rubella
(b) Common cold
(c) Influenza
(d) None of the above
Sol. (d) None of the above.
Q18. Which of the following constitutes a fossil?
(a) A mineralized burrow of an extinct animal
(b) An unidentified animal found frozen in a glacier
(c) An ant found inside a block of amber, dating back to 110 million years
(d) All of the above
Sol. (d) All of the above.
Q19.Stephen J. Gould is a paleontologist who speculated that, of all the organisms that ever lived on earth, only ________% are still alive.
(a) 1
(b) 20
(c) 50
(d) 99
Sol. (a) 1
Q20. Which cellular structure is exclusive to plant cells and absent in animal cells?
(a) Cytoplasm
(b) Vacuoles
(c) Mitochondria
(d) Cell wall
Sol: (d) Cell wall
| मराठी | वेब लिंक | ॲप लिंक |
| टॉप 20 सामान्य विज्ञान MCQ | क्लिक करा | क्लिक करा |
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