REPRODUCTION IN FLOWERING PLANTS

123456789101112131415161718
Across
  1. 2. INNERMOST LAYER OF MICROSPORANGIUM WHICH NOURISHES THE DEVELOPING POLLEN GRAIN
  2. 4. DEVELOPMENT OF A MEGASPORE FROM A SINGLE EMBRYO SAC
  3. 5. PLOIDY OF THE NUCELLUS
  4. 7. REMOVAL OF ANTHER FROM A FLOWER BUD
  5. 8. RESIDUAL PERSISTENT NUCELLUS IN A SEED
  6. 9. PORE POLLEN TUBE EMERGES THROUGH THIS
  7. 14. TETRAGONAL STRUCTURES PRESENT IN THE CORNERS OF THE ANTHERS OF THE FLOWER
  8. 15. THE PART OF THE FLOWER THAT DEVELOPS INTO THE OUTERMOST COVERING OF FRUIT
  9. 16. THREE CELLS AT CHALAZAL END
  10. 17. TRANSFER OF POLLEN GRAIN TO THE STIGMA OF THE PISTIL
Down
  1. 1. FOR THIS POLLINATION SYNCHRONY OF POLLEN RELEASE AND PISTIL RECEPTIVITY IS A MUST
  2. 3. OTHER NAME FOR OVARIAN CAVITY
  3. 6. THIN CONTINUOUS LAYER MADE OF CELLULOSE AND PECTIN AROUND POLLEN GRAIN
  4. 10. PRESENCE OF SINGLE PISTIL IN THE GYNOECIUM
  5. 11. FLOWERS THAT DO NOT OPEN AT ALL
  6. 12. HARD OUTER LAYER OF THE POLLEN GRAIN
  7. 13. WHEN PISTILS ARE FUSED TOGETHER
  8. 18. TERMINALLY BILOBED STRUCTURE OF STAMEN