MCQ
In which era mammals and birds evolved?
- AMesozoic
- BCenozoic
- CPalaeozoic
- DPrecambrian
Explanation:
The birds and mammals evolved during the Coenozoic (new life) era. The decline of reptiles allowed diversification of birds and mammals.
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| Column $-I$ | Column $-II$ |
| $(1)$ Pollination by water | $(a)$ Grass |
| $(2)$ Pollination by wind | $(b)$ free-nuclear endosperm |
| $(3)$ coconut water | $(c)$ Guava |
| $(4)$ Fleshy fruit | $(d)$ Hydrilla |
| $(e)$ cellular endosperm |