POST UTME IMS U 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a plant cell is shown below. What is the function of the structure labeled 'X'?
A. To store water and nutrients
B. To synthesize proteins
C. To generate energy
D. To store genetic information
Question 2
A 35-year-old man is diagnosed with chronic kidney disease. His serum creatinine level is 2.5 mg/dL. Which of the following is the most likely cause of his kidney disease?
A. Diabetes mellitus
B. Hypertension
C. Glomerulonephritis
D. Polycystic kidney disease
Question 3
A researcher is studying the effect of temperature on the growth of E. coli. The researcher measures the growth rate of the bacteria at different temperatures and plots the data on a graph. Which of the following types of graphs would be most appropriate for this data?
A. Line graph
B. Bar graph
C. Scatter plot
D. Histogram
Question 4
A cell is placed in a solution with a concentration of 0.1 M glu\cose. The cell membrane is permeable to glu\cose. What is the concentration of glu\cose inside the cell after 10 minutes?
A. 0.01 M
B. 0.05 M
C. 0.1 M
D. 0.5 M
Question 5
A researcher is studying the effect of temperature on the rate of photosynthesis in a plant. The data collected is as follows: Temperature (°C) 20 25 30 35 Rate of photosynthesis \( mg CO2/h \) 10 15 20 25
A. \text{y = 0.5x + 5}
B. \text{y = 0.8x + 10}
C. \text{y = x - 5}
D. \text{y = 2x - 10}
Question 6
A diagram of the human eye is shown below. What is the name of the part labeled 'A'?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 7
A plant root system consists of a taproot and a system of smaller lateral roots. What is the primary function of the taproot?
A. To anchor the plant in the soil.
B. To absorb water and nutrients from the soil.
C. To store food and nutrients.
D. To produce hormones that regulate plant growth.
Question 8
In the context of reproductive bio\logy, what is the primary function of the zona pellucida in the process of fertilization?
A. To provide nutrients to the embryo
B. To facilitate sperm-egg interaction
C. To regulate the timing of ovulation
D. To prevent polyspermy
Question 9
A 25-year-old woman presents with symptoms of fatigue, weakness, and shortness of breath. Her hemoglobin level is 7.5 g/dL. Which of the following is the most likely cause of her anemia?
A. Iron deficiency anemia
B. Vitamin B12 deficiency anemia
C. Folate deficiency anemia
D. Sickle cell anemia
Question 10
A population of bacteria is growing exponentially. The initial population is 100 bacteria, and the population doubles every 2 hours. What is the population after 6 hours?
A. 1600
B. 2000
C. 4000
D. 8000
Question 11
In a steady-state condition, the rate of glu\cose uptake by a cell is equal to the rate of glu\cose release from the cell. What is the likely reason for this equilibrium?
A. The cell is in a state of dormancy.
B. The cell is undergoing rapid cell division.
C. The cell is in a state of nutrient scarcity.
D. The cell is in a state of energy surplus.
Question 12
A patient is diagnosed with a viral infection. The virus has a characteristic 'herringbone' appearance under the electron microscope. What is the most likely family of the virus?
A. Poxviridae
B. Herpesviridae
C. Adenoviridae
D. Retroviridae
Question 13
A plant hormone that promotes cell elongation and cell division is?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene
Question 14
A 40-year-old man is diagnosed with type 2 diabetes mellitus. His fasting blood glu\cose level is 250 mg/dL. Which of the following is the most likely cause of his hyperglycemia?
A. Insulin resis\tance
B. Pancreatic \beta-cell dysfunction
C. Glucagon excess
D. Somatostatin deficiency
Question 15
A patient is diagnosed with a bacterial infection. The bacteria are gram-positive and have a characteristic 'safety pin' appearance under the microscope. What is the most likely genus of the bacteria?
A. Staphylococcus
B. Streptococcus
C. Bacillus
D. Clostridium

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