Light Absorption MCQ

Test your knowledge with important Light Absorption MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Light Absorption MCQs at Bissoy

• Which of the following contains a linear system of conjugated double bonds?
  ক

  β-carotene

  খ

  chlorophyll

  গ

  chloroplast

  ঘ

  thylakoid
• Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis?
  ক

  absorption spectrum

  খ

  action spectrum

  গ

  efficiency spectrum

  ঘ

  reflection spectrum
• Carotenoids dissipate absorbed energy as heat.
  ক

  True

  খ

  False
• What are carotenoids?
  ক

  pigments

  খ

  cell organelles

  গ

  terrestrial plants

  ঘ

  granulated thylakoids
• Which atoms are present in the porphyrin of a chlorophyll molecule?
  ক

  iron

  খ

  magnesium

  গ

  calcium

  ঘ

  sulphur
• Which part of the chlorophyll is responsible for absorption of light?
  ক

  hydrophobic phytol chain

  খ

  porphyrin ring

  গ

  thylakoid membrane

  ঘ

  outer membrane
• Pigments absorb light of particular wavelengths.
  ক

  True

  খ

  False
• Photon of light of higher wavelength has _____________ energy.
  ক

  higher

  খ

  lower

  গ

  intermittent

  ঘ

  dissipated
• Which types of molecules are synthesized in light-independent (dark) reactions?
  ক

  proteins

  খ

  glycolipids

  গ

  carbohydrates

  ঘ

  nucleic acids
• Energy absorbed from sunlight is stored as chemical energy in which of the following biomolecules?
  ক

  ATP, ADP

  খ

  ATP, NADPH

  গ

  NAD, FAD

  ঘ

  NADH2, ATP