Question

Which question is most likely to be studied by biologists? What is the effect of exercise on heart rate in horses? How does knowledge of phonics affect reading ability? What is the effect of cooking temperature on the flavor of cake? Does the number of school days affect how much energy the school uses?

Answer 1

"What is the effect of exercise on heart rate in horses" because biology is the study of life.

Answer 2

The correct answer is option A

A biologist is a person who has the knowledge in the field of biology. Biology is a multidisciplinary subject that includes ecology, zoology, botany, environmental studies et cetera.

The effect of exercise  on the heart rate of horses comes under the category of zoology.

In this subject we study about the effect of various components present in the surrounding on the health of animals.