Across
- 2. response of plants running parallel to soil
- 4. special pigments that regulate photopriodic responses
- 6. are swollen areas consisting of loosely packedparenchymatous cells
- 9. geotropism is shown by the shoots of plants
- 11. induction of flowring process by exposure to prolonged coldness
- 12. leaves of oxalis plant shows this movement
- 14. is physiological response to relative length of day and night
- 15. movement induced by chemical substances
- 16. nastic movement regulated by temperature
Down
- 1. acid is the most naturally occurring auxin
- 3. first naturally occurring cytokinin
- 5. break dormancy of seeds
- 6. is a tropic movement shown by obliquely growing stems
- 7. tropic movements shown by roots of plants towards water
- 8. the only volatile or gaseous hormone
- 10. hormone that promotes stem elongation
- 13. tropic movement shown by trendrils of herbs
- 14. formation of fruits without seeds