Lamarckism and Darwinism MCQs

Prepare for Lamarckism and Darwinism MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

15 Solved Questions • 12 Mins Practice • Updated for 2026 Competitive Exams
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Lamarckism and Darwinism constitutes an essential examination topic within Zoology, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Welcome to the verified preparation module for Evolutionary Biology on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Evolutionary Biology (Zoology).

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Topic Notes: Lamarckism and Darwinism

Quick Revision 2 min read 15 key points
Section 1 of 4

1 1. Lamarckism: The Theory of Inheritance of Acquired Characteristics

4 points
  • Definition Jan 1809
    Lamarckism: Proposed by Jean-Baptiste Lamarck in 1809, it suggests that organisms change during their lifetime through effort and that these acquired traits are passed to offspring.
  • Theory
    Law of Use and Disuse: Lamarck hypothesized that body parts frequently used become stronger and more developed, while those not used atrophy and eventually disappear over time.
  • Theory
    Inheritance of Acquired Characteristics: Lamarck argued that modifications acquired by an individual through environmental interaction are directly inherited by its progeny, driving evolutionary progress.
  • Fact Jan 1809
    Philosophie Zoologique: This 1809 publication serves as the foundational text where Lamarck formally detailed his evolutionary views and the mechanisms of species transformation.
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1
Which scientist is considered the father of modern genetics, whose work provided the missing mechanism for Darwin's theory?
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2
The concept of 'fitness' in Darwinian evolution is measured by:
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3
Darwin's theory of natural selection requires which of the following conditions to function?
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4
Lamarck believed that evolution was driven by an internal 'force' or 'urge' toward what?
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5
Which evolutionary concept suggests that evolution proceeds at a slow, steady rate, a view held by Darwin?
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6
What is the significance of the Galapagos finches in Darwin's evolutionary theory?
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7
Which of the following best defines the 'struggle for existence' as proposed by Darwin?
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8
Lamarck's theory included the 'law of use and disuse', which suggested that:
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9
What is the primary source of variation in a population according to the Modern Synthesis, which Darwin could not explain?
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10
Which experiment is famously associated with attempting to disprove Lamarckism by cutting off the tails of mice over multiple generations?
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Pedagogical Syllabus Blueprint

Lamarckism and Darwinism MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Lamarckism and Darwinism MCQs consistently constitute a decisive 10% to 25% weightage of the Evolutionary Biology paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Lamarckism and Darwinism MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Zoology, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.