Select the correct statements
(a) Chalaza represents the basal part of the ovule.
(b) Body of ovule fuses with stalk at chalaza
(c) Nucellus is located in female gametophyte
(d) All members of family of Belladona plant pollen grains lose their viability within 30 minutes of their release
1
only a
2
only b, c
3
All
4
a, b, d