POST UTME SUMMIT UNIVERSITY 2023 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A population of bacteria is growing exponentially. If the initial population is 100 and the growth rate is 20% per hour, what is the population after 3 hours?
A. 1000
B. 2000
C. 4000
D. 8000
Question 2
A diagram of a cell is shown below. Identify the structure labeled 'A'.
A. Mitochondria
B. Nucleus
C. Endoplasmic reticulum
D. Golgi apparatus
Question 3
A diagram of a plant cell is shown below. Identify the part labeled 'A'.
A. Mitochondria
B. Nucleus
C. Cell Wall
D. Chloroplast
Question 4
The type of muscle that is responsible for involuntary movements is:
A. Skeletal Muscle
B. Smooth Muscle
C. Cardiac Muscle
D. Striated Muscle
Question 5
In the context of hormonal coordination, what is the primary function of the hypothalamus?
A. Regulation of body temperature
B. Control of hunger and thirst
C. Regulation of hormone secretion
D. Maintenance of blood pressure
Question 6
In a eukaryotic cell, the process of cell division that results in the production of four daughter cells is known as:
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 7
The hormone that regulates the level of glu\cose in the blood is:
A. Insulin
B. Glucagon
C. Adrenaline
D. Thyroxine
Question 8
The process by which the body gets rid of excess water and salts is known as:
A. Osmoregulation
B. Excretion
C. Respiration
D. Transpiration
Question 9
In a population of 1000 individuals, 70% are homozygous dominant (BB), 20% are heterozygous (Bb), and 10% are homozygous recessive (bb). What is the probability that two individuals chosen at random will have a child with the BB genotype?
A. 0.49
B. 0.7
C. 0.9
D. 0.1
Question 10
A diagram of a simple e\cosystem is shown below. Identify the producer in the e\cosystem.
A. Herbivore
B. Carnivore
C. Decomposer
D. Producer
Question 11
The process by which plants convert light energy into chemical energy is known as:
A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis
Question 12
In the process of photosynthesis, what is the role of the enzyme RuBisCO?
A. Fixation of CO2
B. Reduction of NADP+
C. Oxidation of NADPH
D. Regeneration of RuBP
Question 13
A patient with a malfunctioning kidney is experiencing symptoms of water retention. Which of the following is a likely consequence of this condition?
A. Hypertension
B. Hypotension
C. Edema
D. Diabetes
Question 14
A certain species of animal has a mean lifespan of 10 years. If the population is 1000 individuals, what is the probability that an individual chosen at random will live beyond 15 years?
A. 0.5
B. 0.1
C. 0.9
D. 0.7
Question 15
A certain species of bacteria has a generation time of 2 hours. If the initial population is 1000 cells, how many cells will there be after 5 generations?
A. 32000
B. 1000
C. 5000
D. 20000

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