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JIPMER 2015
Exam
JIPMER
Year
2015
Subject
Botany
Chapter
Photosynthesis in Higher Plants

JIPMER 2015 · Botany · Photosynthesis in Higher Plants

Which of the following characteristics out of I, II and III are...

Which of the following characteristics out of I, II and III are exhibited by C4\mathrm{C}_4 plants? I. Kranz anatomy. II. The product of photosynthesis is oxalo acetic acid. III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme. Choose the corrent option.

Options

  1. AI and II, but not III
  2. BII and III, but not I
  3. CI and III, but not II
  4. DAll of these

Correct answer

D. All of these

Step-by-step solution

C4\mathrm{C}_4 plants have an alternative CO2\mathrm{CO}_2 fixation pathways called Hatch and Slack cycle where OAA, a 4C compound is the first stable product. These plants have Kranz anatomy in leaf.
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