Expert-Level Quiz on Modern Crop Science
A tough set of multiple‑choice items probing advanced concepts in plant production and agronomic research.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which molecular marker is most commonly employed to track quantitative trait loci for drought tolerance in cereals?
- 2
What is the primary physiological mechanism by which C4 plants achieve higher water‑use efficiency compared to C3 species?
- 3
In integrated pest management, which threshold concept defines the pest density at which economic loss equals the cost of control?
- 4
Which soil amendment most effectively raises cation exchange capacity in highly weathered tropical oxisols?
- 5
During the grain filling stage, the enzyme ADP‑glucose pyrophosphorylase is most directly responsible for synthesizing which compound?
- 6
What breeding strategy combines elite lines from two heterotic groups to exploit hybrid vigor in maize?
- 7
Which remote‑sensing index is most sensitive to chlorophyll content and often used to estimate nitrogen status in wheat?
- 8
In a split‑plot field experiment, what is the appropriate experimental unit for testing fertilizer regimes when irrigation is the main plot factor?
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