POST UTME RHEMA UNIVERSITY 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A patient is diagnosed with a rare genetic disorder characterized by the absence of the enzyme glu\cose-6-phosphatase. Which of the following symptoms is most likely to be associated with this disorder?
A. Hypoglycemia
B. Hyperglycemia
C. Glycogen storage disease
D. Lactic acidosis
Question 2
In the context of sense organs, what is the primary function of the olfactory epithelium in the nasal cavity?
A. To detect changes in air pressure
B. To detect changes in temperature
C. To detect odors and pheromones
D. To detect sounds
Question 3
A type of symbiotic relationship in which one organism benefits and the other is harmed is:
A. Mutualism
B. Commensalism
C. Parasitism
D. Amensalism
Question 4
A researcher is studying the effects of a new antibiotic on a bacterial culture. Which of the following is a likely outcome of the antibiotic treatment?
A. The bacteria will become resis\tant to the antibiotic
B. The bacteria will die due to the disruption of cell wall synthesis
C. The bacteria will undergo genetic mutation
D. The bacteria will form a biofilm
Question 5
The process by which plants convert light energy into chemical energy is called:
A. Photosynthesis
B. Respiration
C. Transpiration
D. Evaporation
Question 6
In a tropical rainforest biome, the primary producers are plants that undergo photosynthesis. Which of the following is a characteristic of photosynthesis?
A. The process releases oxygen as a byproduct.
B. The process requires sunlight, water, and carbon dioxide.
C. The process produces glu\cose and oxygen.
D. The process occurs only in aquatic environments.
Question 7
In a human body, the sense organ responsible for detecting light and color is the eye. Which of the following is a part of the eye that detects light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 8
The human body has a complex system of excretory organs that work together to remove waste products. Which of the following organs plays a crucial role in filtering waste from the blood?
A. Kidneys
B. Liver
C. Lungs
D. Skin
Question 9
A population of rabbits is introduced to a new island. Initially, the population grows exponentially, but eventually, it reaches a carrying capacity. What is the primary factor limiting the population growth?
A. Availability of food
B. Predation by other animals
C. Disease
D. Competition for resources
Question 10
In the context of osmoregulation, what is the primary function of the kidneys in maintaining electrolyte balance?
A. To regulate the amount of water in the body
B. To remove excess ions from the body
C. To maintain the balance of electrolytes in the body
D. To regulate blood pressure
Question 11
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope, which is triggered by the activation of the protein kinase Cdk1. What is the primary function of Cdk1 in this process?
A. To phosphorylate and activate the nuclear lamina
B. To degrade the nuclear envelope
C. To regulate the cell cycle
D. To synthesize new DNA
Question 12
In the process of osmoregulation, what is the primary mechanism by which the kidneys regulate the concentration of ions in the blood?
A. Active transport of ions across the renal tubular epithelium
B. Passive diffusion of ions through the renal tubular epithelium
C. Filtration of ions at the glomerulus
D. Reabsorption of ions in the proximal convoluted tubule
Question 13
In a typical human eye, the cornea is responsible for re\fracting light, while the lens is responsible for focu\sing light. What is the primary function of the iris?
A. To regulate the amount of light entering the eye
B. To focus light on the retina
C. To re\fract light through the cornea
D. To detect changes in light intensity
Question 14
The process of photosynthesis occurs in specialized organelles called chloroplasts. Which of the following is a byproduct of this process?
A. Glu\cose
B. Oxygen
C. Carbon dioxide
D. Water
Question 15
A patient is diagnosed with a hormone deficiency. Which of the following hormones is responsible for regulating the concentration of glu\cose in the blood?
A. Insulin
B. Glucagon
C. Adrenaline
D. Thyroxine

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