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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

94 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
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All Subjects Biology Chemistry Computer Science Current Affairs English Everyday Science General Knowledge Islamic Studies Mathematics Pakistan Studies Physics
11
Biology Easy

What is the term for the movement of populations of organisms from one region to another seasonally?

  • AMigration
  • BHibernation
  • CAestivation
  • DDormancy
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Correct Answer: Option A — Migration
Explanation: Migration is the seasonal movement of animals from one region to another typically following food availability and climate changes as seen in birds fish and wildebeest.
Submitted by: PaperMCQs
12
Biology Medium

How many kingdoms are in the traditional five-kingdom system of classification?

  • AThree
  • BFive
  • CFour
  • DSix
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Correct Answer: Option B — Five
Explanation: The traditional five-kingdom system classifies all life into Monera Protista Fungi Plantae and Animalia based on cell type nutrition mode and body organisation.
Submitted by: PaperMCQs
13
Biology Hard

What is the broadest level of biological classification?

  • ADomain
  • BOrder
  • CFamily
  • DKingdom
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Correct Answer: Option A — Domain
Explanation: Domain is the broadest level in the modern biological classification system above kingdom and includes three domains Bacteria Archaea and Eukarya.
Submitted by: PaperMCQs
14
Biology Medium

Which scientist developed the modern system of classification for organisms?

  • ACarl Linnaeus
  • BCharles Darwin
  • CGregor Mendel
  • DLouis Pasteur
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Correct Answer: Option A — Carl Linnaeus
Explanation: Carl Linnaeus developed the modern system of biological classification and binomial nomenclature in the 18th century providing a universal system for naming and organising living organisms.
Submitted by: PaperMCQs
15
Biology Medium

What is the two-part Latin naming system for organisms called?

  • APhylogenetic classification
  • BBinomial nomenclature
  • CCladistics
  • DLinnaean classification
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Correct Answer: Option B — Binomial nomenclature
Explanation: Binomial nomenclature is the formal system of naming organisms using two Latin words the genus name and the species name developed by Carl Linnaeus in the 18th century.
Submitted by: PaperMCQs
16
Biology Medium

What is the scientific name for the study of classification of organisms?

  • AMorphology
  • BEcology
  • CTaxonomy
  • DPhysiology
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Correct Answer: Option C — Taxonomy
Explanation: Taxonomy is the branch of biology dealing with the classification identification and naming of organisms into a hierarchical system of kingdoms phyla classes orders families genera and species.
Submitted by: PaperMCQs
17
Biology Easy

What is the term for organisms that eat both plants and animals?

  • AHerbivores
  • BOmnivores
  • CCarnivores
  • DDetritivores
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Correct Answer: Option B — Omnivores
Explanation: Omnivores are organisms that consume both plant material and other animals obtaining energy and nutrients from a variety of food sources examples include humans bears and pigs.
Submitted by: PaperMCQs
18
Biology Easy

Which type of organisms break down dead organic matter into simpler inorganic substances?

  • AProducers
  • BDecomposers
  • CConsumers
  • DOmnivores
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Correct Answer: Option B — Decomposers
Explanation: Decomposers such as bacteria and fungi break down dead organic matter into simpler inorganic substances recycling nutrients back into the ecosystem for use by producers.
Submitted by: PaperMCQs
19
Biology Medium

What is the term for the gradual process of change in the species composition of an ecosystem over time?

  • AEvolution
  • BAdaptation
  • CMigration
  • DEcological succession
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Correct Answer: Option D — Ecological succession
Explanation: Ecological succession is the gradual and predictable process of change in species composition and community structure in an ecosystem over time toward a stable climax community.
Submitted by: PaperMCQs
20
Biology Medium

What is the term for the variety of different species present in a given habitat?

  • AGenetic diversity
  • BSpecies diversity
  • CEcosystem diversity
  • DBiodiversity
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Correct Answer: Option B — Species diversity
Explanation: Species diversity refers to the number and relative abundance of different species present in a given habitat and is an important measure of the biodiversity of an ecosystem.
Submitted by: PaperMCQs
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