A. Ornithologist
B. Zoologist
C. Bilogist
D. Naturalist
Answer
Correct Answer: A. Ornithologist
Detailed About MCQs
One word substitute is Ornithologist.
Ornithologist: a person who studies or is an expert on birds.
Zoologist: an expert in or student of the behavior, physiology, classification, and distribution of animals.
Biologist: an expert in or student of the branch of science concerning living organisms.
Naturalist: an expert in or student of natural history.