Across
- 2. diploid secondary nucleus
- 3. male gametes formed
- 4. papaver
- 5. pollen allergy
- 9. single pistil
- 10. pollen tube
- 11. nutritive tissue in ovule
- 12. integument absent in the ovule
- 13. genetically different pollen grains involved
- 14. single megaspore into embryosac
Down
- 1. exine
- 4. filiform apparatus
- 6. china rose
- 7. closed flowers
- 8. nourishes the developing pollen grains