POST UTME EKSU 2023 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the process of respiration, what is the byproduct of the breakdown of glu\cose in the presence of oxygen?
A. Carbon dioxide and water
B. Glu\cose and oxygen
C. ATP and NADH
D. Lactic acid and ethanol
Question 2
A diagram of a plant cell is shown below. What is the function of the cell wall?
A. To provide structural support
B. To regulate water balance
C. To facilitate gas exchange
D. To synthesize proteins
Question 3
In the process of respiration, what is the byproduct of the breakdown of glu\cose in the absence of oxygen?
A. Carbon dioxide and water
B. Glu\cose and oxygen
C. Lactic acid and ethanol
D. ATP and NADH
Question 4
In the context of hormonal coordination, what is the primary function of insulin?
A. To regulate blood glu\cose levels by promoting glu\cose uptake in cells
B. To stimulate the breakdown of glycogen to glu\cose
C. To inhibit the release of glucagon
D. To stimulate the release of growth hormone
Question 5
A diagram of a human brain is shown below. If the brain is injured, which of the following structures will be affected?
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord
Question 6
What is the main difference between the digestive systems of herbivores and carnivores?
A. Herbivores have a longer digestive tract than carnivores
B. Carnivores have a larger cecum than herbivores
C. Herbivores have a larger liver than carnivores
D. Carnivores have a shorter digestive tract than herbivores
Question 7
In the process of photosynthesis, what is the primary function of the chloroplasts?
A. Production of ATP through light-dep\endent reactions
B. Production of glu\cose through light-indep\endent reactions
C. Storage of energy in the form of starch
D. Transport of water to the leaves
Question 8
A diagram of the human brain is shown below. Identify the part labeled A.
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Frontal lobe
Question 9
A population of bacteria is growing exponentially. If the initial population is 100 bacteria and the population doubles every 2 hours, how many bacteria will there be after 6 hours?
A. 1000
B. 4000
C. 16000
D. 64000
Question 10
A diagram of the human eye is shown below. Identify the part labeled B.
A. Cornea
B. Iris
C. Lens
D. Retina
Question 11
In the context of transport systems, which of the following is a function of the blood in animals?
A. Transport of water and minerals from roots to leaves
B. Transport of sugars and amino acids from leaves to roots
C. Transport of waste products from leaves to roots
D. Transport of oxygen and nutrients to cells
Question 12
A plant cell is placed in a solution containing 0.1 M glu\cose. If the cell membrane is permeable to glu\cose, what will happen to the concentration of glu\cose inside the cell?
A. Increase
B. Decrease
C. Remain the same
D. No change
Question 13
A 35-year-old male patient presents with a 2-year history of progressive shortness of breath and fatigue. On examination, he has a loud S1 and a wide pulse pressure. What is the most likely diagnosis?
A. Aortic regurgitation
B. Mitral regurgitation
C. Tricuspid regurgitation
D. Pulmonary regurgitation
Question 14
In the context of transport systems, which of the following is a function of the xylem in plants?
A. Transport of water and minerals from roots to leaves
B. Transport of sugars and amino acids from leaves to roots
C. Transport of waste products from leaves to roots
D. Transport of hormones from roots to leaves
Question 15
In the context of classification of living things, which of the following kingdoms is characterized by the presence of cell walls made of chitin?
A. Fungi
B. Animalia
C. Plantae
D. Protista

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