Across
- 5. transfer of pollen grains to stigma
- 6. 3 layered hard covering secretes by amoeba
- 7. specialised cells in diploid organisms
- 8. a pre fertilisation event
Down
- 1. develeopment of embryo
- 2. a mode of asexual reproduction
- 3. asexual reproduction of single celled organism
- 4. shell covering of fertilised eggs in oviparous animal