POST UTME CALEB UNIVERSITY 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the process of cellular respiration, what is the primary function of the mitochondria?
A. Production of ATP and NADPH
B. Production of glu\cose and oxygen
C. Regulation of stomatal opening
D. Storage of water and minerals
Question 2
A patient is experiencing symptoms of a hormonal imbalance. Which of the following hormones is most likely to be involved in this condition?
A. Insulin
B. Growth Hormone
C. Thyroid-Stimulating Hormone
D. Adrenaline
Question 3
In the context of evolutionary theory, what is the primary mechanism by which species adapt to their environment?
A. Natural Selection
B. Genetic Drift
C. Gene Flow
D. Mutation
Question 4
A 30-year-old woman is diagnosed with type 1 diabetes mellitus. Her blood glu\cose level is 250 mg/dL. What is the osmotic pressure of the blood in mmHg?
A. 10 mmHg
B. 20 mmHg
C. 30 mmHg
D. 40 mmHg
Question 5
A 20-year-old woman is diagnosed with a visual field defect. Her visual acuity is 20/200. What is the angle of the visual field defect in degrees?
A. 10 degrees
B. 20 degrees
C. 30 degrees
D. 40 degrees
Question 6
What is the primary function of the Golgi apparatus in a eukaryotic cell?
A. Production of proteins and lipids
B. Storage of water and minerals
C. Regulation of stomatal opening
D. Transport of sugars and amino acids
Question 7
In a photosynthetic pathway, which of the following is the primary function of the enzyme RuBisCO?
A. Fixation of CO2
B. Reduction of CO2
C. Oxidation of CO2
D. Decarboxylation of CO2
Question 8
In the process of photosynthesis, what is the primary function of the thylakoid membranes?
A. Production of ATP and NADPH
B. Production of glu\cose and oxygen
C. Regulation of stomatal opening
D. Storage of water and minerals
Question 9
A plant cell has a vacuole that contains 0.5 M sucrose. If the cell membrane is selectively permeable and allows the passage of water but not sucrose, what will happen to the cell?
A. The cell will swell and eventually burst.
B. The cell will shrink and eventually die.
C. The cell will remain unchanged.
D. The cell will grow and divide.
Question 10
A 2.0 L flask contains 0.5 M NaCl. If 0.2 M KCl is added to the flask, what is the new concentration of NaCl?
A. 0.5 M
B. 0.6 M
C. 0.7 M
D. 0.8 M
Question 11
A patient is diagnosed with a bacterial infection. Which of the following antibiotics is most likely to be effective against this type of infection?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 12
In the context of respiration, what is the primary function of the alveoli in the lungs?
A. Gas Exchange
B. Oxygen Storage
C. Carbon Dioxide Storage
D. Nitrogen Storage
Question 13
What is the primary difference between a prokaryotic cell and a eukaryotic cell?
A. The presence of a true nucleus
B. The absence of a cell wall
C. The presence of mitochondria
D. The absence of ribosomes
Question 14
A researcher is studying the structure of the human eye. Which part of the eye is responsible for adjusting the size of the pupil?
A. Cornea
B. Iris
C. Lens
D. Retina
Question 15
A population of rabbits is growing at a rate of 20% per year. If the population is currently 1000 rabbits, what will be the population after 5 years?
A. 1638
B. 2000
C. 2500
D. 3150

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