by Sunday | Dec 24 | Biology JAMB
A. uric acid B. urine C. Mucilage D. sweat Correct Answer: Option A – uric acid Explanation Most terrestrial insects produce uric acid as their main nitrogenous waste product. Uric acid is a relatively non- toxic and highly insoluble waste product. Therefore, it...
by Sunday | Dec 24 | Biology JAMB
A. telophase B. metaphase C. anaphase D. prophase Correct Answer: Option B – metaphase Explanation Mitosis is understood to involve five phases, based on the physical state of the chromosomes and spindle. These phases are prophase, prometaphase, metaphase,...
by Sunday | Dec 24 | Biology JAMB
A. tropic movement B. tactic movement C. nastic movement D. kinetic movement Correct Answer: Option B – tactic movement Explanation Taxis (tactic movement) A change in direction of locomotion in a motile micro-organism or cell, made in response to certain types...
by Sunday | Dec 24 | Biology JAMB
A. croaking of a male toad B. basking in lizard C. spines in porcupine fish D. huddling together of penguins Correct Answer: Option C – spines in porcupine fish Explanation The porcupine fish has spines on its body. The fish sucks in water and swells up to make...
by Sunday | Dec 24 | Biology JAMB
A. thorax and abdomen B. visceral mass and abdomen C. thorax and foot D. visceral mass and foot Correct Answer: Option D – thorax and foot Explanation A snail’s body consists of five main parts – the head, the neck, the visceral hump, the tail and the...
by Sunday | Dec 24 | Biology JAMB
A. industrial chimneys, burning fossil oils and river dams B. sulphurdioxide, acid rain and pesticides C. sulphur dioxide, vehicle exhausts, and aerosols D. sewage,smoke and old vehicles Correct Answer: Option C – sulphur dioxide, vehicle exhausts, and aerosols...
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