A researcher compares insect specimens while studying Johnston organ. What conclusion should be made?
Correct Answer: D. sensory organ in the antenna detecting movement and vibration
MCQ Collection
BS Zoology Semester Exam MCQs
Practice BS Zoology Semester Exam questions with answers and explanations.
A researcher compares insect specimens while studying ecdysone. What explanation best matches the observation?
Correct Answer: B. promotes molting by triggering cuticle replacement processes
A researcher compares insect specimens while studying metamorphosis incomplete. What feature should be emphasized in the report?
Correct Answer: A. nymphs resemble adults but lack fully developed wings and reproductive organs
In a field survey, an insect shows features related to photoreceptors. What function is most directly supported?
Correct Answer: D. cells that respond to light
In a field survey, an insect shows features related to Johnston organ. What advantage does this feature provide?
Correct Answer: A. sensory organ in the antenna detecting movement and vibration
In a field survey, an insect shows features related to ecdysone. What advantage does this feature provide?
Correct Answer: B. promotes molting by triggering cuticle replacement processes
In a field survey, an insect shows features related to metamorphosis incomplete. What advantage does this feature provide?
Correct Answer: D. nymphs resemble adults but lack fully developed wings and reproductive organs
A lab note describes a case involving photoreceptors. What is the strongest biological explanation?
Correct Answer: A. cells that respond to light
A lab note describes a case involving Johnston organ. What is the strongest biological explanation?
Correct Answer: D. sensory organ in the antenna detecting movement and vibration
A lab note describes a case involving ecdysone. What should be written as the correct interpretation?
Correct Answer: C. promotes molting by triggering cuticle replacement processes
A lab note describes a case involving metamorphosis incomplete. What is the strongest biological explanation?
Correct Answer: B. nymphs resemble adults but lack fully developed wings and reproductive organs
During an entomology practical, a student observes mechanoreceptors in an insect specimen. What should the student record as the main concept?
Correct Answer: C. sensory structures detecting touch, vibration, or movement