Introduction to Pomology MCQs (Quiz 19)

1. In the source–sink relationship, mature leaves are classified as _______________________

2. In apple orchards, which PGR is commonly used to chemically thin fruitlets shortly after bloom to manage crop load?

3. ________________ is a thin, actively dividing layer of cells located between the wood and the inner bark that drives secondary growth by producing new xylem inward and new phloem/bark outward

4. __________________ are the main branches in trees that grow straight out from the trunk to form the primary framework of the tree canopy

5. Leaves function as the primary ________ by producing carbohydrates through photosynthesis

6. Plant growth regulator _________________  is often used in stone fruits like peaches to promote fruit thinning and improve final fruit size

7. Photosynthate translocation is the movement of carbohydrates from leaves to developing fruits and occurs through the _____________________

8. In fruit plants, sink demand for photosynthates is highest during __________________

9. Glyphosate inhibits biosynthesis of ______________

10. The fruit-bearing upper portion of a grafted plant is called the ______________