Join WhatsApp ChannelDaily MCQs & Exam Updates

Biology MCQs

124 Questions Subject Test
Subject Preparation Guide

Prepare Biology with confidence

Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.

Cell BiologyHuman PhysiologyGeneticsEcology
Useful for academic exams, entry tests, FPSC, PPSC and general science preparation.
Biology preparation illustration
Subject Test

Test your Biology preparation

Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.

Practiced MCQs
0 / 124
Use the MCQs you already prepared, or launch a random test from the full subject bank.
No login required Result is not saved Choose your own MCQ count & timer
Choose your test mode
Choose any number up to 124 available MCQs.
Enter 0 for no timer, or choose 1–300 minutes.
Tip: prepare some MCQs first, then start a quick self-check from My Practiced MCQs to test exactly what you studied.
41
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

What is the term for organisms that maintain a stable internal environment despite external changes?

  • A Homeostasis
  • B Adaptation
  • C Metabolism
  • D Evolution
42
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which type of tissue in plants transports water and minerals from roots to leaves?

  • A Phloem
  • B Cambium
  • C Epidermis
  • D Xylem
43
Hard ppsc Uploaded: 06 Aug 2026

What is the term for a species introduced to a new environment that causes ecological harm?

  • A Endemic species
  • B Invasive species
  • C Native species
  • D Keystone species
44
Easy ppsc nts Uploaded: 14 Jul 2026

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

  • A Migration
  • B Hibernation
  • C Aestivation
  • D Dormancy
45
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the term for a permanent change in the DNA sequence of an organism?

  • A Mutation
  • B Adaptation
  • C Variation
  • D Allele
46
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the term for the physical appearance or observable characteristics of an organism?

  • A Genome
  • B Genotype
  • C Karyotype
  • D Phenotype
47
Medium css fpsc ppsc Uploaded: 05 Aug 2026

Which layer of the skin contains melanocytes that produce the pigment responsible for skin colour?

  • A Dermis
  • B Hypodermis
  • C Stratum corneum
  • D Epidermis
48
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which disease is caused by the deficiency of Vitamin B1 affecting the nervous and cardiovascular systems?

  • A Beriberi
  • B Scurvy
  • C Pellagra
  • D Rickets
49
Medium css fpsc ppsc Uploaded: 14 Jul 2026

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

  • A Evolution
  • B Adaptation
  • C Migration
  • D Ecological succession
50
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for organisms that cannot make their own food and must consume other organisms?

  • A Autotrophs
  • B Heterotrophs
  • C Producers
  • D Chemotrophs
51
Medium ppsc Uploaded: 06 Aug 2026

What is the term for the pigment responsible for skin, hair, and eye color in humans?

  • A Hemoglobin
  • B Chlorophyll
  • C Keratin
  • D Melanin
52
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for the sequence of feeding relationships in an ecosystem?

  • A Pyramid of numbers
  • B Ecological niche
  • C Trophic level
  • D Food chain
53
Easy ppsc Uploaded: 06 Aug 2026

Which structure allows gas exchange in plant leaves?

  • A Xylem
  • B Phloem
  • C Cuticle
  • D Stomata
54
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

What is the process by which cells divide to produce two identical daughter cells?

  • A Meiosis
  • B Binary fission
  • C Mitosis
  • D Budding
55
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the role of enzymes in biological reactions?

  • A Act as biological catalysts to speed up reactions
  • B Store genetic information
  • C Provide energy for reactions
  • D Transport oxygen in blood
56
Medium css fpsc ppsc Uploaded: 14 Jul 2026

Which type of immunity is present from birth and provides a non-specific first line of defence?

  • A Acquired immunity
  • B Active immunity
  • C Passive immunity
  • D Innate immunity
57
Medium css fpsc ppsc Uploaded: 14 Jul 2026

Which molecule is the primary energy currency of cells?

  • A ATP
  • B ADP
  • C NAD
  • D NADP
58
Easy ppsc nts Uploaded: 14 Jul 2026

Which organ in the human body is responsible for pumping blood throughout the body?

  • A Heart
  • B Lungs
  • C Liver
  • D Kidney
59
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

Which part of the eye is the coloured ring that controls pupil size regulating light entry?

  • A Cornea
  • B Retina
  • C Iris
  • D Lens
60
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for the process by which plants lose water vapour through their leaves?

  • A Photosynthesis
  • B Osmosis
  • C Transpiration
  • D Respiration
Practiced MCQs0 / 124