POST UTME BSU 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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. Transport of water and minerals
B. Transport of sugars and amino acids
C. Support and storage
D. Protection from pathogens
Question 2
A diagram of the human eye is shown below. What is the function of the part labeled 'A'?
A. To focus light on the retina
B. To detect light intensity
C. To regulate pupil size
D. To produce tears
Question 3
In the context of asexual reproduction, what is the primary advantage of budding in yeast?
A. Increased genetic diversity
B. Improved nutrient uptake
C. Enhanced cell growth
D. Reduced energy exp\enditure
Question 4
A diagram of the human digestive system is shown below. What is the primary function of the pancreas?
A. Digestion of proteins
B. Digestion of carbohydrates
C. Production of hormones
D. Absorption of nutrients
Question 5
A patient is diagnosed with a hormonal disorder characterized by an underproduction of thyroid hormone. Which of the following is a common symptom of this disorder?
A. Weight gain
B. Fatigue
C. Tremors
D. Cold intolerance
Question 6
In the context of osmoregulation, what is the primary function of the hypothalamus in regulating water balance in the body?
A. To increase water reabsorption in the kidneys
B. To decrease water reabsorption in the kidneys
C. To stimulate the release of ADH
D. To inhibit the release of ADH
Question 7
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.16
B. 0.36
C. 0.64
D. 0.84
Question 8
A cell has a membrane potential of -70 mV. If the resting potential is -60 mV, what is the magnitude of the action potential?
A. 10 mV
B. 20 mV
C. 30 mV
D. 40 mV
Question 9
In a eukaryotic cell, the process of photosynthesis occurs in the following organelle:
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Endoplasmic Reticulum
Question 10
A plant has a root system with a total surface area of 100 cm^2. If the root hairs have a length of 1 mm, what is the total length of the root hairs?
A. 100 cm
B. 1000 cm
C. 10,000 cm
D. 100,000 cm
Question 11
In the context of the \endocrine system, what is the primary function of the pancreas?
A. To produce hormones that regulate blood sugar levels
B. To produce hormones that regulate blood pressure
C. To produce hormones that regulate growth and development
D. To produce hormones that regulate metabolism
Question 12
A patient is diagnosed with a hormonal disorder characterized by an overproduction of thyroid hormone. Which of the following is a common symptom of this disorder?
A. Weight loss
B. Fatigue
C. Tremors
D. Cold intolerance
Question 13
What is the primary function of the Golgi apparatus in eukaryotic cells?
A. Protein synthesis
B. Lipid synthesis
C. Cell signaling
D. Protein modification and sorting
Question 14
A diagram of the human circulatory system is shown below. What is the primary function of the heart?
A. Pumping blood to the lungs
B. Pumping blood to the body
C. Regulation of blood pressure
D. Absorption of nutrients
Question 15
A researcher is studying the classification of living organisms. Which of the following is the most accurate way to classify a species?
A. Phy\logenetic classification
B. Morpho\logical classification
C. Bio\logical classification
D. Chemical classification

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