How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
The movement of blood between the heart and all other parts of the body besides the lungs is
Double circulatory system
Pulmonary system
Single circulation
Systemic circulation
Correct answer is D
Systemic circulation involves the movement of blood between the heart and all other parts of the body besides the lungs.
Which organ removes the largest quantity of water from the blood?
Lung
Skin
Kidney
Intestine
Correct answer is C
The kidney is an organ that performs lots of functions. One is that it helps in removing large quantities of water from the blood in order to maintain balance in the body system.
Which of the blood corpuscles are irregular and amoeboid
Leucocytes
Erythrocytes
Thrombocytes
Plasma
Correct answer is A
Leucocytes are also called white blood cells. They are irregular and amoeboid.
Which of the following is considered to be the first product of Photosynthesis?
Protein
Starch
Energised Chlorophyll
Hydroxyl ions
Correct answer is B
Starch is the main and first product formed during photosynthesis because the simple sugar formed is partly used by the plant. Excess sugar is then immediately converted into starch and transported to other parts of the plant through the phloem vessels for storage.
Good quality food will perform the following functions in humans except
Supplying energy
Providing resistance to malaria
Maintaining health
Sustaining growth
Correct answer is B
Quality food cannot provide resistance to malaria because it does not contain anti-malaria substances. Although, it would assist with proper growth.