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Biology MCQs

124 Questions Subject Test
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61
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which scientist developed the modern system of classification for organisms?

  • A Carl Linnaeus
  • B Charles Darwin
  • C Gregor Mendel
  • D Louis Pasteur
62
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which gland is called the master gland of the endocrine system?

  • A Thyroid gland
  • B Pituitary gland
  • C Adrenal gland
  • D Pancreas
63
Easy ppsc Uploaded: 06 Aug 2026

Which scientist is credited with discovering the cell using a microscope?

  • A Robert Hooke
  • B Charles Darwin
  • C Gregor Mendel
  • D Louis Pasteur
64
Medium ppsc Uploaded: 06 Aug 2026

What is the powerhouse process that produces ATP called?

  • A Photosynthesis
  • B Fermentation
  • C Cellular respiration
  • D Osmosis
65
Medium css fpsc ppsc Uploaded: 14 Jul 2026

Which molecule carries genetic information from DNA to ribosomes for protein synthesis?

  • A mRNA
  • B tRNA
  • C rRNA
  • D snRNA
66
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which pigment in plants absorbs sunlight for photosynthesis?

  • A Chlorophyll
  • B Melanin
  • C Haemoglobin
  • D Keratin
67
Medium css fpsc ppsc Uploaded: 14 Jul 2026

Which chromosomal disorder is caused by the presence of an extra chromosome 21?

  • A Turner syndrome
  • B Down syndrome
  • C Klinefelter syndrome
  • D Patau syndrome
68
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which vitamin is essential for the formation of collagen and acts as an antioxidant?

  • A Vitamin A
  • B Vitamin C
  • C Vitamin D
  • D Vitamin K
69
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which type of reproduction in bacteria involves the cell splitting into two equal daughter cells?

  • A Budding
  • B Binary fission
  • C Fragmentation
  • D Sporulation
70
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the process by which species change over time through natural selection?

  • A Adaptation
  • B Evolution
  • C Mutation
  • D Speciation
71
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

Which type of muscle is under voluntary control and attached to bones to enable movement?

  • A Cardiac muscle
  • B Skeletal muscle
  • C Smooth muscle
  • D Involuntary muscle
72
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for the bending of a plant toward light called?

  • A Geotropism
  • B Phototropism
  • C Hydrotropism
  • D Thigmotropism
73
Easy fpsc ppsc nts Uploaded: 14 Jul 2026

Which scientist is known as the Father of Biology?

  • A Charles Darwin
  • B Gregor Mendel
  • C Aristotle
  • D Louis Pasteur
74
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

What is the term for the symbiotic relationship where both organisms benefit?

  • A Commensalism
  • B Parasitism
  • C Mutualism
  • D Amensalism
75
Easy ppsc Uploaded: 06 Aug 2026

Which process describes the movement of water across a semipermeable membrane?

  • A Diffusion
  • B Osmosis
  • C Active transport
  • D Filtration
76
Medium css fpsc ppsc Uploaded: 14 Jul 2026

What is the term for an organism that carries a recessive allele but does not show the trait?

  • A Dominant
  • B Carrier
  • C Homozygous
  • D Heterozygous
77
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which blood group is known as the universal donor?

  • A AB positive
  • B A negative
  • C B negative
  • D O negative
78
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

Which disease is caused by Mycobacterium tuberculosis primarily affecting the lungs?

  • A Typhoid
  • B Cholera
  • C Malaria
  • D Tuberculosis
79
Easy ppsc nts Uploaded: 14 Jul 2026

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

  • A Herbivores
  • B Omnivores
  • C Carnivores
  • D Detritivores
80
Medium fpsc ppsc nts Uploaded: 14 Jul 2026

Which part of the human brain controls balance and coordinates muscular movement?

  • A Cerebellum
  • B Cerebrum
  • C Medulla oblongata
  • D Thalamus
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