In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
Column-I | Column-II | ||
---|---|---|---|
(i) | First month | (a) | Separation of eye lids |
(ii) | Second month | (b) | Hairs on head |
(iii) | Fifth month | (c) | Heart |
(iv) | Six month | (d) | Limbs & digits |
List I | List II | ||
---|---|---|---|
A | Mesozoic Era | I | Lower invertebrates |
B | Proterozoic Era | II | Fish & Amphibia |
C | Cenozoic Era | III | Birds & Reptiles |
D | Paleozoic Era | IV | Mammals |