Examkits is a JAMB CBT practice platform that provides over 20 years of past questions, Post UTME questions, and detailed video solutions to help students prepare for their exams.

How do I practice JAMB past questions on Examkits?

You can practice JAMB past questions online, on Android, or on a desktop using the Examkits app. Just register on our website and choose your preferred device.

Does Examkits work offline?

Yes. Our Android and Windows versions support offline usage. Once downloaded and activated, no internet is required to use most of the features.

Do you offer video solutions for JAMB questions?

Yes, Examkits provides detailed video explanations for all JAMB past questions from 2000 to 2024, helping students understand how to solve each problem.

Examkits offers free practice for some subjects. However, full access requires a one-time affordable activation fee for each version of the app.

BIOLOGY

JAMB 2005 - Question 30

Biology 2005 JAMB Past Questions - Question 30: A function of the part labelled II is to

Choose the correct answers from the options given.

A function of the part labelled II is to

A: equalize pressure on both sides of the tympanum

B: conduct sound waves to the brain

C: help the animal maintain balance or posture

D: transform sound waves into electric impulses.

Examkit's JAMB CBT App

Practice JAMB offline with our Online, PC and Mobile App

✅ 25+ years of past questions (2000 to 2025)
✅ Video solutions and explanation to questions
✅ E-library
✅ Study by topic
✅ And more.

Correct Answer

Explanation

AThe structure is Eustachian tubewhich leads into the middle ear. It allows air from outside to enter and leavethe middle ear to ensure that the pressure of air on both sides of the eardrumis balanced.Option 'A' is carried out by the three semicircular canals, sacculus arid utriculus. Option 'B' is carried out by thesensory cells of the cochlea while that of 'D' is done by the auditory nerves.