POST UTME EKSU 2018 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a population of Drosophila melanogaster, the frequency of the recessive allele 'r' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the dominant allele 'R'?
A. 0.8
B. 0.6
C. 0.4
D. 0.2
Question 2
In the process of digestion, what is the primary function of the pancreas?
A. Production of digestive enzymes
B. Absorption of nutrients
C. Storage of nutrients
D. Regulation of blood sugar levels
Question 3
A researcher is studying the process of reproduction in plants. What is the primary function of the stigma in the flower?
A. To produce pollen
B. To receive pollen
C. To produce ovules
D. To regulate stomatal opening and clo\sing
Question 4
A geneticist wants to study the inheri\tance of a trait in a population. What type of genetic cross would be most appropriate?
A. Test cross
B. Backcross
C. Inbreeding
D. Selective breeding
Question 5
The classification of living things is based on their shared characteristics and evolutionary relationships. Which of the following is a domain of life?
A. Archaea
B. Bacteria
C. Eukarya
D. All of the above
Question 6
A bio\logist is studying the process of respiration in the human body. What is the primary function of the mitochondria in the cell?
A. To synthesize ATP and NADPH
B. To break down carbohydrates into simple sugars
C. To break down fats into fatty acids and glycerol
D. To regulate the movement of water and minerals into the cell
Question 7
In the context of photosynthesis, what is the primary function of the thylakoid membranes in the chloroplast?
A. To synthesize ATP and NADPH
B. To synthesize glu\cose and oxygen
C. To transport water and minerals into the plant
D. To regulate stomatal opening and clo\sing
Question 8
In a typical human cell, the process of cell division that results in the production of two daughter cells is known as
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endoreduplication
Question 9
A researcher isolates a bacterium that causes a disease in plants. The bacterium has a flagellum and a cell wall. Which of the following is a characteristic of this bacterium?
A. It is a fungus.
B. It is a protist.
C. It is a bacterium.
D. It is a virus.
Question 10
The hormone responsible for regulating blood sugar levels is?
A. Insulin
B. Glucagon
C. Adrenaline
D. Thyroid hormone
Question 11
A person has a blood pressure of 120/80 mmHg. What is the diastolic pressure?
A. 80
B. 120
C. 100
D. 140
Question 12
The nervous system is responsible for transmitting and proces\sing information in living organisms. Which of the following is a type of neuron?
A. Sensory neuron
B. Motor neuron
C. Interneuron
D. All of the above
Question 13
In a desert e\cosystem, the primary consumers are insects. What is the role of insects in the e\cosystem?
A. Decomposers
B. Primary consumers
C. Primary producers
D. Secondary consumers
Question 14
The Hardy-Weinberg principle states that allele and genotype frequencies in a population will remain cons\tant from generation to generation in the absence of other evolutionary influences. Which of the following is a necessary condition for the Hardy-Weinberg principle to hold?
A. Random mating
B. Large population size
C. No mutation
D. No gene flow
Question 15
A plant cell undergoes mitosis. What is the number of chromosomes in the daughter cells?
A. 46
B. 92
C. 23
D. 69

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