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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 26 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!
- How many hydrogen bonds are there between thymine and adenine?
(a) 4
(b) 3
(c) 2
(d) 7
Answer: c - What are the eyes on potato tubers?
(a) Scars
(b) Sutures
(c) Rootlets
(d) Nodes with buds
Answer: d - In meiosis, what is the stage where pairing of homologous chromosomes begins?
(a) Diplotene
(b) Pachytene
(c) Leptotene
(d) Zygotene
Answer: d - Which of the following is fungus excluding mycelium?
(a) Saccharomyces
(b) Mucor
(c) Puccinia
(d) Rhizopus
Answer: a - Where is a gene located on a chromosome?
(a) Site
(b) Locus
(c) Allele
(d) Trait
Answer: b - Which organelles are involved in photorespiration?
(a) Chloroplast, peroxisome, and glyoxysomes
(b) Glyoxysomes, chloroplast, and mitochondria
(c) Chloroplast, mitochondria, and peroxisome
(d) Mitochondria, peroxisome, and glyoxysomes
Answer: c - What is the ratio of F2 generation in a dihybrid cross?
(a) 1:2:1
(b) 1:1
(c) 9:3:3:1
(d) 3:1
Answer: c - Where is Floridean starch found?
(a) Phaeophyceae
(b) Rhodophyceae
(c) Chlorophyceae
(d) Myxophyceae
Answer: b - What is the phenomenon called when a single gene has multiple effects?
(a) Pleiotropy
(b) Genostasis
(c) Codominance
(d) Epistasis
Answer: a - What is the hormone that reduces transpiration rate by inducing stomatal closure?
(a) Cytokipin
(b) Auxin
(c) ABA
(d) Ethylene
Answer: c - When was Lamarck’s theory of evolution published?
(a) 1806
(b) 1802
(c) 1812
(d) 1809
Answer: d - What is the female sex organ in bryophytes known as?
(a) Antheridium
(b) Archegonium
(c) Ascogonium
(d) Carpogonium
Answer: b - What is the equivalent ATP yield from NADH produced in the Krebs cycle?
(a) 7 ATP
(b) 5 ATP
(c) 3 ATP
(d) 9 ATP
Answer: c - What constitutes a nucleoside?
(a) Pyrimidine + purine + phosphate
(b) Purine + sugar + phosphate
(c) Purine/pyrimidine + phosphate
(d) Purine/pyrimidine + sugar
Answer: d - What serves as the final electron acceptor in mitochondrial electron transport chains?
(a) NAD+
(b) FAD
(c) H2O
(d) None of these
Answer: c - Which plant includes feather stigma?
(a) Wheat
(b) Poppy
(c) Pea
(d) Hibiscus
Answer: a - How does water move from cell to cell through plasmodesmata?
(a) Facilitated
(b) Apoplastic
(c) Transmembrane
(d) Symplastic
Answer: b - What is the process of water exudation through hydathodes called?
(a) Evaporation
(b) Bleeding
(c) Guttation
(d) Transpiration
Answer: c - What is the CO2 fixation mechanism in maize plants known as?
(a) CAM pathway
(b) C3 – C4 intermediate
(c) C3 pathway
(d) C4 pathway
Answer: d - In which plant family is basal placentation found?
(a) Fabaceae
(b) Asteraceae
(c) Malvaceae
(d) Solanaceae
Answer: b
Top 20 General Science MCQs -26 April 2024 PDF
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