Relevant Titles
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Decline of the Indus Valley Civilization — CBSE Class 12 MCQs (NCERT)
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CBSE Class 12: 60 MCQs on the Decline of the Indus Valley — Timed Practice Test
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Causes and Evidence of Decline: Class 12 History Objective Questions (Indus)
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NCERT Class 12 History Quiz — Deurbanisation & Decline of the Harappan World
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Quick Revision: Why the Indus Civilization Declined — Class 12 MCQs
Introduction
The topic “Decline of the Indus Valley Civilization” is a core component of Part A: Early Societies and Cultures — Theme 1: Bricks, Beads and Bones in the CBSE Class 12 History syllabus. This NCERT-aligned resource presents a focused practice set that helps students master key explanations and evidence about deurbanisation and cultural change after the Mature Harappan phase. Topics covered include climatic shifts (monsoon weakening), river-course changes (Ghaggar–Hakra/Sarasvati dynamics), declining trade links, soil salinisation, administrative breakdown, and regional variations in the pace and nature of decline. The 60-question timed quiz format simulates exam conditions, while per-question feedback links factual answers to archaeological and palaeoenvironmental indicators—sediment data, settlement patterns, craft continuity and changes in material culture. Use this test for targeted revision, classroom drills or self-assessment: it strengthens factual recall, supports interpretation of archaeological evidence and builds the exam-level clarity expected in CBSE Class 12 answers. The focus keyphrase is included to keep the post tightly aligned with Yoast SEO scoring and user search intent.
Sample MCQs with Explanations
Q1. Around which period did the major urban phase of the Indus/Harappan civilisation begin to decline?
A. c. 5000–4000 BCE
B. c. 2600–1900 BCE
C. c. 1900–1300 BCE
D. c. 500–200 BCE
Answer: C — c. 1900–1300 BCE.
Explanation: The mature urban phase (c. 2600–1900 BCE) was followed by gradual deurbanisation and regional changes, often dated broadly to c. 1900–1300 BCE.
Q2. Which environmental factor is most often cited by scholars as a major contributor to the Indus decline?
A. Sudden volcanic eruption near Mohenjo-daro
B. Abrupt industrial pollution
C. Weakening monsoon and climatic aridification
D. Ice age conditions in South Asia
Answer: C — Weakening monsoon and climatic aridification.
Explanation: Palaeoclimate studies (lake cores, sediment records) indicate reduced monsoon rainfall and aridity in parts of the region, stressing agriculture and water supply.
Q3. The archaeological term “deurbanisation” in the Indus context refers to:
A. Expansion of city walls and palaces
B. Transformation from large planned cities to smaller village or rural settlement patterns
C. Sudden conquest and mass destruction of towns
D. Complete continuity of urban life unchanged
Answer: B — Transformation from large planned cities to smaller village or rural settlement patterns.
Explanation: Deurbanisation denotes shrinking or abandonment of big urban centres and a shift toward dispersed rural or small-town living.
Q4. Which kind of direct archaeological evidence would most strongly support agricultural decline in a locality?
A. Increased number of seals
B. Presence of charred grain remains showing reduced crop quantities and changed crop composition
C. Discovery of new houses with courtyards
D. Larger public baths being built
Answer: B — Presence of charred grain remains showing reduced crop quantities and changed crop composition.
Explanation: Botanical and archaeobotanical data (charred seeds, pollen) give direct evidence of crop yields and changes in agriculture.
Q5. Why do many scholars prefer a multi-causal explanation for the decline of the Indus civilisation?
A. Because all sites show identical collapse patterns at the same time
B. Because the evidence indicates a mix of environmental, economic and social factors varying regionally
C. Because there is a single inscribed text that states multiple causes
D. Because it was caused solely by foreign conquest
Answer: B — Because the evidence indicates a mix of environmental, economic and social factors varying regionally.
Explanation: Regional variability in timing and archaeological signatures, combined with palaeoclimate, trade and settlement data, supports complex, interacting causes rather than a single event.