MCQ Collection

BS Zoology Semester Exam MCQs

Practice BS Zoology Semester Exam questions with answers and explanations.

BS Zoology Semester ExamAnimal Form and Function-IPakistanEasy

A student observes that taste receptors work only when food chemicals dissolve in saliva. This illustrates that gustation depends on:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

A pupil reflex becomes weak after damage to the optic nerve. The problem is mainly failure of:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

A student injects adrenaline into an experimental animal and observes rapid heart rate increase. This shows adrenaline can act on:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

In an endocrine feedback example, high blood glucose stimulates insulin, and insulin lowers blood glucose. This is best described as:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanHard

A developing insect stops remaining larval and begins metamorphosis when juvenile hormone level falls. This shows juvenile hormone mainly controls:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

If capillary walls become excessively leaky during inflammation, the visible result may be:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanHard

A fish and a mammal both transport oxygen, but the mammal uses double circulation. The key advantage of double circulation is:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanEasy

An animal loses too much blood after injury. The most immediate threat is:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

A person standing for long time develops swollen ankles when venous return is poor. Veins normally reduce this problem using:

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BS Zoology Semester ExamAnimal Form and Function-IPakistanMedium

A damaged capillary network in a tissue would most directly reduce:

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