Crop and Environment MCQs-20

1. Frequent use of heavy agricultural machinery primarily degrades soil structure by ______

2. The phytochrome system is a specialized light-sensing protein in plants that acts as a molecular switch to regulate growth and development. Phytochrome system mainly absorbs —————

3. Sandy soils are typically characterized by ______

4. The main greenhouse gas emitted during denitrification is _________

5. Conservation tillage helps maintain____________

6. An ideal agricultural soil structure is characterized by_________

7. The size and distribution of soil pores primarily regulate ______

8. A night break is most effective when given _______________

9. —————— is the primary trigger for flowering in short-day plants

10. Chrysanthemum is a classic example of ___________________