MCQ
Coenozoic era is known as:
- AAge of Amphibia and Lycopods.
- BAge of Marine Invertebrate.
- CAge of Reptiles and gymnosperms.
- DAge of Mammals and Modern flora.
Explanation:
The most recent era of geologic time, from about 65 million years ago to the present is called a Cenozoic era.
The Cenozoic Era is characterized by the formation of modern continents and the diversification of mammals and plants.
A Cenozoic era is known as the age of mammals and modern flora because the largest land animals have been mammals during that time and formation and diversification of moderns flora took place.
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| Column - $I$ | Column - $II$ |
| $(a)$ Pleiotropic gene | $(i)$ Both allele express equally |
| $(b)$ Co-dominance | $(ii)$ Change in nucleotide |
| $(c)$ Epistasis | $(iii)$ One gene shows multiple phenotypic expression |
| $(d)$ Mutation | $(iv)$ Rust disease |