POST UTME UI 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A patient is diagnosed with a bacterial infection that is resis\tant to multiple antibiotics. The patient's doctor wants to determine the genetic basis of the resis\tance. Which of the following techniques would be most appropriate for this purpose?
A. DNA sequencing
B. RNA sequencing
C. Protein sequencing
D. Gene expression analysis
Question 2
In the context of osmoregulation, which of the following is a characteristic of the renal medulla?
A. High concentration of urea
B. High concentration of glu\cose
C. High concentration of ions
D. High concentration of water
Question 3
What is the process by which a cell divides into two daughter cells of equal size?
A. Mitosis
B. Meiosis
C. Binary fission
D. Endoreduplication
Question 4
A solution of 0.1 M NaCl is prepared by dissolving 5.5 g of NaCl in 100 mL of water. What is the concentration of Na+ ions in the solution?
A. 0.05 M
B. 0.1 M
C. 0.15 M
D. 0.2 M
Question 5
A diagram of a neuron is shown below. What is the function of the part labeled 'A'?
A. To transmit signals to other neurons
B. To receive signals from other neurons
C. To synthesize neurotransmitters
D. To degrade neurotransmitters
Question 6
In the human body, what is the term for the network of blood vessels that carries oxygen and nutrients to the cells?
A. Arterial system
B. Venous system
C. Capillary system
D. Lymphatic system
Question 7
The theory of evolution by natural selection was first proposed by what scientist in the 19th century?
A. Charles Darwin
B. Gregor M\endel
C. Jean-Baptiste Lamarck
D. Alfred Russel Wallace
Question 8
In the xylem transport system, what is the primary function of the tracheids?
A. To transport water and minerals from the roots to the leaves
B. To store food and water in the plant
C. To provide structural support to the plant
D. To regulate the rate of transpiration
Question 9
In a eukaryotic cell, the process of mitosis involves the separation of chromosomes into two daughter cells. Which of the following stages of mitosis is characterized by the alignment of chromosomes at the metaphase plate?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 10
A researcher is studying the effect of temperature on the rate of a chemical reaction. She measures the rate of the reaction at different temperatures and plots the data on a graph. If the graph shows a linear relationship between temperature and reaction rate, what does this indicate about the effect of temperature on the reaction?
A. The reaction rate is directly proportional to the temperature.
B. The reaction rate is inversely proportional to the temperature.
C. The reaction rate is unaffected by the temperature.
D. The reaction rate is sigmoidally related to the temperature.
Question 11
What is the term for the process by which an organism produces offspring without the involvement of gametes?
A. Asexual reproduction
B. Sexual reproduction
C. Binary fission
D. Budding
Question 12
A scientist is studying the effect of pH on the growth of E. coli. She measures the growth rate of the bacteria at different pH levels and plots the data on a graph. If the graph shows a sigmoidal curve, what does this indicate about the effect of pH on the growth of E. coli?
A. The growth rate of E. coli is directly proportional to the pH level.
B. The growth rate of E. coli is inversely proportional to the pH level.
C. The growth rate of E. coli is unaffected by the pH level.
D. The growth rate of E. coli is sigmoidally related to the pH level.
Question 13
The process of growth and development in plants is controlled by what type of hormone?
A. Auxin
B. Gibberellin
C. Cytokinin
D. Ethylene
Question 14
The xylem in plants is responsible for transporting what subs\tance from the roots to the leaves?
A. Water
B. Minerals
C. Sugars
D. Proteins
Question 15
In the process of cellular respiration, which of the following is a byproduct of glycolysis?
A. ATP
B. NADH
C. FADH2
D. Pyruvate

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