A researcher compares insect specimens while studying diapause. What feature should be emphasized in the report?
Correct Answer: A. a hormonally regulated pause that helps survive unfavorable conditions
MCQ Collection
BS Zoology Semester Exam MCQs
Practice BS Zoology Semester Exam questions with answers and explanations.
In a field survey, an insect shows features related to spermatheca. What advantage does this feature provide?
Correct Answer: D. stores sperm in many female insects
In a field survey, an insect shows features related to diapause. What function is most directly supported?
Correct Answer: C. a hormonally regulated pause that helps survive unfavorable conditions
A lab note describes a case involving ganglia. What explanation best connects structure with function?
Correct Answer: D. clusters of nerve cell bodies coordinating segmental functions
A lab note describes a case involving tympanal organs. What explanation best connects structure with function?
Correct Answer: C. membrane-based organs detecting sound vibrations
A lab note describes a case involving endocrine glands. What should be written as the correct interpretation?
Correct Answer: A. release hormones that regulate development and physiology
A lab note describes a case involving metamorphosis complete. What should be written as the correct interpretation?
Correct Answer: A. larva, pupa, and adult stages are distinct
During an entomology practical, a student observes photoreceptors in an insect specimen. What conclusion fits the specimen best?
Correct Answer: B. cells that respond to light
During an entomology practical, a student observes Johnston organ in an insect specimen. What conclusion fits the specimen best?
Correct Answer: D. sensory organ in the antenna detecting movement and vibration
During an entomology practical, a student observes ecdysone in an insect specimen. What is the most accurate interpretation?
Correct Answer: B. promotes molting by triggering cuticle replacement processes
During an entomology practical, a student observes metamorphosis incomplete in an insect specimen. What conclusion fits the specimen best?
Correct Answer: A. nymphs resemble adults but lack fully developed wings and reproductive organs
A researcher compares insect specimens while studying photoreceptors. What explanation best matches the observation?
Correct Answer: B. cells that respond to light