POST UTME IGBINEDION UNIVERSITY 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The theory of evolution by natural selection was first proposed by
A. Charles Darwin
B. Gregor M\endel
C. Jean-Baptiste Lamarck
D. Alfred Russel Wallace
Question 2
In the context of tissue repair, which of the following types of cells is primarily responsible for the removal of dead cells and debris?
A. Macrophages
B. Fibroblasts
C. Epithelial cells
D. Neutrophils
Question 3
A plant's xylem is responsible for transporting what subs\tance?
A. Water and minerals
B. Sugars and amino acids
C. Oxygen and carbon dioxide
D. Nitrogen and phosphorus
Question 4
A patient is experiencing difficulty breathing due to a blockage in the airway. Which of the following structures is most likely to be affected?
A. Trachea
B. Bronchi
C. Lungs
D. Diaphragm
Question 5
A plant cell is placed in a solution with a high concentration of sucrose. What will happen to the cell's turgor pressure?
A. It will decrease due to water loss
B. It will remain the same
C. It will increase due to water uptake
D. It will decrease due to cell lysis
Question 6
In the human nervous system, what is the term for the process by which the brain s\ends signals to the muscles to move?
A. Reflex action
B. Voluntary movement
C. Involuntary movement
D. Muscle contraction
Question 7
A researcher is studying the effects of a new hormone on plant growth. Which of the following systems is most likely to be affected?
A. Nervous system
B. Endocrine system
C. Circulatory system
D. Digestive system
Question 8
A 30-year-old female presents with a 2-year history of recurrent episodes of abdominal pain. Her physical examination reveals a palpable mass in the right lower quadrant. Which of the following is the most likely diagnosis?
A. App\endicitis
B. Diverticulitis
C. Crohn's disease
D. Ulcerative colitis
Question 9
In the context of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP through substrate-level phosphorylation
B. To pump protons across the mitochondrial membrane
C. To reduce NAD+ to NADH
D. To produce water and oxygen as byproducts
Question 10
In a tropical rainforest e\cosystem, the primary consumers are primarily herbivores that feed on the abundant vegetation. Which of the following is a characteristic of these primary consumers?
A. They have a high metabolic rate to maintain their body temperature.
B. They have a specialized digestive system to break down cellulose in plant cell walls.
C. They are primarily nocturnal to avoid predators.
D. They have a large home range to find food and shelter.
Question 11
A researcher is studying the effects of pollution on a local e\cosystem. Which of the following biomes is most likely to be affected by pollution?
A. Tropical rainforest
B. Grassland
C. Desert
D. Freshwater biome
Question 12
A patient is experiencing muscle weakness due to a deficiency in a specific enzyme. Which of the following metabolic pathways is most likely to be affected?
A. Glycolysis
B. Citric acid cycle
C. Fatty acid synthesis
D. Protein synthesis
Question 13
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells, each with the same number and kind of chromosomes as the parent cell, is called
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endosymbiosis
Question 14
The human eye has a lens that changes shape to focus on objects at different dis\tances. What is the term for this process?
A. Accommodation
B. Convergence
C. Divergence
D. Focu\sing
Question 15
The process by which an organism's genetic information is passed from one generation to the next is called
A. Heritability
B. Inheri\tance
C. Variation
D. Mutation

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