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 2003 - Question 38

Biology 2003 JAMB Past Questions - Question 38: If a DNA strand has a base sequence TCA, its complementary strand must be

Choose the most appropriate option for the gap .

If a DNA strand has a base sequence TCA, its complementary strand must be

A: ATG

B: TAG

C: GAT

D: AGT.

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

DEach DNA molecule is made byrepeating small chemical units called nucleotides. Each nucleotide has amongother molecules a nitrogenous or organic base.The nitrogenous base of one• nucleotidepairs up with a complimentary nitrigenous base of a nucleotide on the otherhalf strand ofa DNA and linked up by hydrogen bond. Thus adenine (A) pairs with thymine (T) whileguanine (GJ pairs with Cytosine (C).