Crop and Environment MCQs-18

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

2. Crop simulation models are primarily used to ________

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

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

5. High crop productivity requires ___________

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

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

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

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

10. Xerophytes often store water in ————