by Sunday | Dec 24 | Biology JAMB
A. prevent algal growth in culture solution B. allow root growth C. prevent breakdown of mineral elements D. prevents photosynthesis in the root Correct Answer: Option A – prevent algal growth in culture solution Explanation Always use a completely opaque water...
by Sunday | Dec 24 | Biology JAMB
A. the king and queen of another colony B. some adult reproductives from the same colony C. some adult workers which are specially fed to breed D. developing nymphs nurtured as secondary reproductives Correct Answer: Option D – developing nymphs nurtured as...
by Sunday | Dec 24 | Biology JAMB
The initial volume of water poured into a bag of dry soil was 50ml and the amount that drained through was 35mI. The percentage water content of the fully soaked soil is therefore? A. 46.7 B. 25.0 C. 20.0 D. 30.0 Correct Answer: Option D =...
by Sunday | Dec 24 | Biology JAMB
A. Smoke B. Nitrogen C. Noise D. Sulphur dioxide Correct Answer: Option B – Nitrogen Explanation Air Pollutants Carbon Monoxide. Lead. Nitrogen Oxides. Ozone. Particulate Matter. Sulfur Dioxide. Other Air Pollutants. The primary pollutants of concern in land and...
by Sunday | Dec 24 | Biology JAMB
A. remains unchanged B. takes tip water and burst C. absorbs a little water D. loses water and shrivels Correct Answer: Option D – loses water and shrivels Explanation Exosmosis is the movement of water outside the cells when a cell is placed in a hypertonic...