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STD 11 - 11. photosynthesis in higher plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 11. photosynthesis in higher plants1 Mark
MCQ
Select the incorrect statement
  • A
    $C_4$ pathway for $CO_2$ fixation were discovered by Hatch and Slack
  • B
    $CO_2$ is essential for photosynthesis
  • ✓
    Addition of sodium carbonate in water retards photosynthetic rate in vallisneria
  • D
    Phloem is the principal pathway for translocation of solutes
✓

Answer

Correct option: C.
Addition of sodium carbonate in water retards photosynthetic rate in vallisneria
c
$C_4$ pathway for $CO_2$ fixation were discovered by Hatch and Slack. This pathway has more effective method of $CO_2$ fixation and is seen in plants like sugarcane. $CO_2$ is essential for photosynthesis. It is the source of carbon. The phloem or leptome is the pathway for movement of solutes.

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