by Sunday | Dec 24 | Biology JAMB
A. palisade mesophyll B. epidermis C. spongy mesophyll D. vascular bundles Correct Answer: Option D – vascular bundles Explanation The spongy mesophyll’s function is to allow for the interchange of gases (CO 2) that are needed for...
by Sunday | Dec 24 | Biology JAMB
A. O B. AB C. B D. A Correct Answer: Option B = AB Explanation Blood donors with type O- (O negative) red blood cells are referred to as universal donors and their red blood cells can be given to any other blood type. Type AB-positive blood is called the...
by Sunday | Dec 24 | Biology JAMB
A. osteocyte B. neurone C. erythrocyte D. leucocyte Correct Answer: Option C – erythrocyte Explanation Red blood cells are microscopic and have the shape of a flat disk or doughnut, which is round with an indentation in the center, but it isn’t hollow. Red...
by Sunday | Dec 24 | Biology JAMB
A. acquired characteristics B. inherited characteristics C. mutation D. atrophication Correct Answer: Option A – acquired characteristics Explanation Acquired traits include things such as calluses on fingers, larger muscle size from exercise or from avoiding...
by Sunday | Dec 24 | Biology JAMB
A. red blood cells, white blood cells, plasma and water B. red blood cells, white blood cells, and plasma C. red blood cells, white blood cells, and platelets D. red blood cells, white blood cells, plasma and platelets Correct Answer: Option D – red blood cells,...
by Sunday | Dec 24 | Biology JAMB
A. seminal vesacle B. epididymis C. urethra D. ureter Correct Answer: Option C = urethra Explanation Urethra — this is a tube that extends from the bladder to the external opening at the end of the penis. The urethra carries both urine and...