Photosynthesis and Energy Flow in Living Systems

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Questions and Answers

What is the main tissue involved in photosynthesis in plants?

  • Flowers
  • Roots
  • Stem
  • Mesophyll in the leaves (correct)

What is the role of chlorophyll in photosynthesis?

  • Absorb light mainly in the green part of the spectrum (correct)
  • Store glucose
  • Release oxygen
  • Absorb carbon dioxide

What is the characteristic of short-wavelength light?

  • Low energy content
  • Long wavelength
  • High energy content (correct)
  • Low frequency

What happens to the excited chlorophyll in its lowest excited state?

<p>It re-emits a photon and returns to its ground state (fluorescence) (D)</p> Signup and view all the answers

What does the solar spectrum show?

<p>The output of the sun along with the energy density that strikes the surface of the earth (B)</p> Signup and view all the answers

What is the source of energy for photosynthesis?

<p>Sunlight (D)</p> Signup and view all the answers

According to the First Law of Thermodynamics, what happens to energy in the universe?

<p>It is conserved and can be transformed from one form to another (B)</p> Signup and view all the answers

What is the main function of chloroplasts in photosynthesis?

<p>Absorb light and convert it into chemical energy (A)</p> Signup and view all the answers

What does the term 'Photosynthesis' literally mean?

<p>'Synthesis using sun' (B)</p> Signup and view all the answers

What is the general equation of photosynthesis?

<p>$6CO_2 + 6H_2O + sunlight o C_6H_{12}O_6 + 6O_2$ (A)</p> Signup and view all the answers

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