The optimum cardinal temperature points for germination of rice seeds are

A. 18°C - 20°C

B. 28°C - 30°C

C. 20°C - 25°C

D. 35°C - 40°C

Answer: Option C

Solution(By Examveda Team)

The optimum cardinal temperature for any plant is the temperature range within which the seeds of a particular species can germinate.
The optimum cardinal temperature for germination of rice seeds is 20°C - 25°C.