Expert-Level Plant Science Quiz
A demanding assessment that probes deep understanding of botanical mechanisms and agricultural implications.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
In C4 plants, which enzyme catalyzes the initial fixation of CO2 in mesophyll cells?
- 2
Which hormone primarily drives stem elongation when a plant detects shade?
- 3
In a Mendelian cross Yy × Yy for seed coat colour where yellow dominates green, what fraction of the offspring will display green coats?
- 4
Which bacterial genus most frequently establishes nitrogen‑fixing nodules on legume roots?
- 5
A short‑day plant will flower only when which photoperiodic condition is satisfied?
- 6
Which compound chiefly enforces primary dormancy in many orthodox seeds?
- 7
The chlorophyll fluorescence ratio Fv/Fm in a healthy C3 leaf typically falls within which range?
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