Crop and Environment MCQs-18

1. Adaptation helps plants to survive under ————-

2. Which factor contributes most to crop yield variability across different locations?

3. Which environmental variable primarily regulates the timing of crop developmental stages (phenology), such as flowering and maturity?

4. Crop simulation models are primarily used to ________

5. The primary role of phytochrome in photoperiodism is ———

6. High crop productivity requires ___________

7. In plant ecology, ———— are specifically adapted to thrive in habitats with low sunlight intensity

8. The most important factor controlling flowering in short-day plants is ———-

9. Xerophytes often store water in ————

10. In cereal crops such as wheat, excessive rainfall during the grain-filling stage generally results in _______