Question

Cardinal temperature is related to:

• A. Minimum temperature
• B. Optimum temperature
• C. Maximum temperature
• D. All the above

Answer 1

The correct option is D

All the above

The correct option is D.

Explanation of the correct option:

1. Cardinal temperature is associated with the germination and growth of the plant.
2. Cardinal temperature is the maximum, minimum and optimum temperature range within which the seed of a particular species germinate.
3. The lowest temperature at which crop growth occur is the minimum cardinal temperature.
4. The temperature at which maximum growth of the plant occurs is known as optimum cardinal temperature.
5. The highest temperature at which plant growth can occur is the maximum cardinal temperature.

Final answer: Cardinal temperature is related to maximum, minimum and optimum temperature.