Crop and Environment MCQs-18

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

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

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

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

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

6. Crop simulation models are primarily used to ________

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

8. High crop productivity requires ___________

9. Xerophytes often store water in ————

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