POST UTME LAUTECH 2025 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A couple is trying to conceive a child. What is the primary function of the hypothalamus in the reproductive process?
A. To regulate body temperature
B. To regulate hunger and thirst
C. To stimulate the release of gonadotropin-relea\sing hormone
D. To stimulate the release of growth hormone
Question 2
Asexual reproduction in plants can occur through the production of what type of structures?
A. Buds
B. Runners
C. Rhizomes
D. Stolons
Question 3
A patient is experiencing kidney failure. Which of the following is a characteristic of the renal corpuscle?
A. It is composed of nephrons
B. It is composed of glomeruli
C. It is composed of renal tubules
D. It is composed of blood vessels
Question 4
A patient is diagnosed with a viral infection. Which of the following is a characteristic of the viral genome?
A. It is composed of DNA
B. It is composed of RNA
C. It is composed of both DNA and RNA
D. It is composed of proteins
Question 5
A plant is placed in a controlled environment with a cons\tant temperature of 25°C and a photoperiod of 12 hours light and 12 hours darkness. The plant is grown in a medium with a pH of 6.5 and a nutrient solution that provides all essential nutrients. After 30 days, the plant has reached a height of 10 cm. What is the most likely reason for the limited growth of this plant?
A. Lack of light
B. Lack of water
C. Lack of nutrients
D. Lack of CO2
Question 6
A 35-year-old man has been experiencing symptoms of irritable bowel syndrome (IBS). His doctor recomm\ends a diet rich in fiber and probiotics. Which of the following foods is a good source of probiotics?
A. Yogurt
B. Cheese
C. Bread
D. Meat
Question 7
What is the primary function of the Golgi apparatus in eukaryotic cells?
A. To synthesize proteins
B. To synthesize lipids
C. To modify and package proteins and lipids
D. To degrade proteins and lipids
Question 8
In the context of evolutionary theories, what is the primary mechanism driving the adaptation of species to their environments?
A. Natural Selection
B. Genetic Drift
C. Gene Flow
D. Mutation
Question 9
Describe the process of mitosis in a eukaryotic cell, highlighting the key stages and their functions.
A. Interphase, Prophase, Metaphase, Anaphase, Telophase
B. Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
C. Interphase, Prophase, Metaphase, Anaphase, Cytokinesis
D. Prophase, Metaphase, Anaphase, Telophase, Interphase
Question 10
A diagram of the human kidney is shown below. What is the primary function of the nephrons in the kidney?
A. To filter waste products from the blood
B. To regulate the amount of water in the body
C. To remove excess ions from the body
D. To maintain the pH balance in the body
Question 11
A 2.5 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. The block is displaced by 0.25 m from its equilibrium position and released from rest. Assuming the block undergoes simple harmonic motion, what is the maximum speed of the block?
A. 0.5 m/s
B. 1.0 m/s
C. 1.5 m/s
D. 2.0 m/s
Question 12
In a population of 1000 individuals, 70% have the dominant allele for brown eye color (B) and 30% have the recessive allele (b). If two individuals with brown eye color are randomly selected for marriage, what is the probability that their offspring will have blue eyes?
A. 0.25
B. 0.30
C. 0.35
D. 0.40
Question 13
Which of the following types of tissue is responsible for the production of red blood cells?
A. Epithelial tissue
B. Connective tissue
C. Muscle tissue
D. Hematopoietic tissue
Question 14
In the context of osmoregulation, what is the primary function of the reabsorption of ions in the renal tubules?
A. To maintain the balance of electrolytes in the body
B. To regulate the amount of water in the body
C. To remove excess ions from the body
D. To maintain the pH balance in the body
Question 15
A population of rabbits is growing \logistically in a closed e\cosystem. The initial population size is 100 rabbits, and the carrying capacity is 1000 rabbits. If the growth rate is 0.2 per year, what is the population size after 5 years?
A. 200
B. 500
C. 800
D. 1000

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