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Rise of monocots occurred during which epoch?

(a) Pliocene

(b) Oligocene

(c) Eocene

(d) Miocene

I got this question by my college director while I was bunking the class.

This intriguing question comes from A Brief Account of Evolution of Plants topic in section Evolution of Biology – Class 12

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The correct choice is (b) Oligocene

The best I can explain: Rise of monocots occurred during the epoch Oligocene. It occurred at about 1.9 crore years ago. They belonged to the Tertiary period of the Cenozoic era.

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