by Sunday | Dec 24 | Biology JAMB
I. Rattus rattus. Il. Agama agama III. Bufo regularis IV. Tilapia zillii A. I, II, III, IV B. I, IV, III, II C. II, III, IV, I D. IV, III, II, I Correct Answer: Option D = IV, III, II, I Explanation Evolutionary sequence in vertebrates: Fishes → Amphibians → Reptiles...
by Sunday | Dec 24 | Biology JAMB
A. Na+ and Fe2+ B. Mg2+ and K+ C. Na+ and K+ D. Fe2+ and Mg2+ Correct Answer: Option C = Na⁺ / K⁺ Explanation The Na⁺ / K⁺ helps maintain resting potential, affects transport, and regulates cellular...
by Sunday | Dec 24 | Biology JAMB
A. ATG B. TAG C. GAT D. AGT Correct Answer: Option D = AGT Explanation The complementary strand for TCA is AGT A T G C T A C G A T T A G C A...
by Sunday | Dec 24 | Biology JAMB
A. the tank was too small compared to the large-ocean B. the body cells of the fish swelled and burst as a result of the hypotonic fresh water C. the body cells of the fish shrank as their sap was hypertonic to the freshwater D. there was no food in the tank, so the...
by Sunday | Dec 24 | Biology JAMB
The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23) A. 35% B. 16% C. 46% D. 23% Correct Answer: Option C = 46% Explanation No of Imperata spp = 23 Total...
by Sunday | Dec 24 | Biology JAMB
I. High birth rate and high immigration rate II. Low birth rate and high immigration rate III. Low mortality rate and low emigration rate IV. High mortality rate and high emigration rate. A. II and III B. I and III C. I and IV D. I and II Correct Answer: Option...