Studying the top 20 General Science related mcqs is crucial for aspirants preparing for competitive exams such as Police Constable, MPSC, SSC and Railway Exams.
Posted byjyotiba Published On April 26th, 2024
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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 hom*ologous 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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