Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Organisms and Populations

Question:
According to which rule, animals from colder climates generally have shorter limbs?
Options:
Arber’s rule.
Bergmann's rule.
Johnson’s rule.
Allen’s rule .
Correct Answer:
Allen’s rule .
Explanation:
Mammals from colder climates generally have shorter ears and limbs to minimise heat loss. (This is called the Allen’s Rule.)