Nodule formation AR & Other Type MCQs Mineral Nutrition (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Read the following four statements (I-IV):

I.	Both, photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane
II.	In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth
III.	Stamens in flowers of Gloriosa and Petunia are polyandrous
IV.	Symbiotic nitrogen-fixers occur in a free-living state and also in soil

How many of the above statements are right?

1. Three

2. Four

3. One

4. Two

Subtopic: Nitrogen Fixation | Nodule formation |

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