POST UTME UNIBEN 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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
Question 2
A diagram of a plant cell is shown below. What is the primary function of the chloroplast?
A. Regulation of cell growth
B. Production of ATP
C. Transport of nutrients
D. Protection against pathogens
Question 3
A diagram of a human heart is shown below. What is the primary function of the atria?
A. Pumping blood to the lungs
B. Pumping blood to the body
C. Regulation of heart rate
D. Protection against pathogens
Question 4
A diagram of the xylem and phloem tissues in a plant stem is shown below. What is the primary function of the xylem tissue?
A. Transporting water and minerals from the roots to the leaves
B. Transporting sugars and other organic compounds from the leaves to the rest of the plant
C. Supporting the structure of the plant
D. Regulating the plant's water balance
Question 5
The hormone responsible for regulating blood sugar levels is the?
A. Insulin
B. Glucagon
C. Adrenaline
D. Thyroxine
Question 6
In the context of osmoregulation, what is the primary function of the hormone vasopres\sin in the kidneys?
A. Increa\sing water reabsorption in the collecting ducts
B. Increa\sing water excretion in the collecting ducts
C. Increa\sing sodium reabsorption in the proximal convoluted tubule
D. Increa\sing potassium excretion in the distal convoluted tubule
Question 7
The type of hormone that is produced by the pancreas is the?
A. Insulin
B. Glucagon
C. Adrenaline
D. Thyroxine
Question 8
A diagram of a neuron is shown below. What is the primary function of the d\endrites?
A. Transmission of signals
B. Production of neurotransmitters
C. Regulation of cell growth
D. Protection against pathogens
Question 9
A diagram of the human respiratory system is shown below. Identify the part of the system that is responsible for exchanging oxygen and carbon dioxide.
A. Trachea
B. Bronchi
C. Alveoli
D. Diaphragm
Question 10
A diagram of the human respiratory system is shown below. What is the primary function of the lungs?
A. Regulating body temperature
B. Maintaining acid-base balance
C. Removing waste products from the blood
D. Oxygenating the blood
Question 11
In the context of classification of living things, what is the primary function of the kingdom level in the taxonomic hierarchy?
A. To group organisms based on their cell structure and organization
B. To group organisms based on their body structure and function
C. To group organisms based on their genetic makeup and evolutionary relationships
D. To group organisms based on their habitat and distribution
Question 12
A diagram of a plant cell is shown below. What is the primary function of the mitochondria?
A. Regulation of cell growth
B. Production of ATP
C. Transport of nutrients
D. Protection against pathogens
Question 13
What is the primary mechanism of growth regulation in plants?
A. Hormone regulation
B. Environmental regulation
C. Genetic regulation
D. Epigenetic regulation
Question 14
A diagram of the human circulatory system is shown below. Which part of the system is responsible for transporting oxygenated blood from the lungs to the rest of the body?
A. Pulmonary artery
B. Aorta
C. Coronary arteries
D. Pulmonary veins
Question 15
In a eukaryotic cell, the process of mitosis is initiated by the breakdown of the nuclear envelope. What is the name of the stage during which this occurs?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase

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