Identify the correct sequence of occurrence of geological period from recent to oldest time?
(A) Permian
(B) Jurassic
(C) Silurian
(D) Devonian
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (B), (A), (D), (C)
NCERT’s chart of plant forms through geological periods (Figure 6.9) lists the periods from the most recent at the top to the oldest at the bottom.
(B) Jurassic — most recent. It is in the Mesozoic, between the Triassic and the Cretaceous; conifers and cycads were at their widest.
(A) Permian — second. It is the last period of the Paleozoic, just below the Triassic.
(D) Devonian — third. It lies below the Carboniferous; progymnosperms appear here.
(C) Silurian — oldest. It is the lowest period on the chart, the time of Zosterophyllum and the Rhynia-type plants.
NCERT Extract:
A Brief Account of Evolution –
