POST UTME DELSU 2019 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A patient has been diagnosed with a viral infection. The patient's symptoms include a sore throat, fever, and a rash. The patient's white blood cell count is normal. What type of virus is most likely responsible for this infection?
A. Influenza virus
B. Herpes simplex virus
C. Human immunodeficiency virus
D. Rubella virus
Question 2
The process of photosynthesis in plants involves the conversion of light energy into chemical energy in the form of
A. glu\cose
B. oxygen
C. carbon dioxide
D. water
Question 3
The process of digestion in the human body involves the breakdown of complex molecules into simpler ones through the action of
A. enzymes
B. hormones
C. nervous system
D. circulatory system
Question 4
In the context of excretion and osmoregulation, which of the following is a function of the kidneys?
A. Regulation of blood pH
B. Regulation of blood pressure
C. Removal of waste products
D. Regulation of body temperature
Question 5
A 2.0-mL sample of a solution containing 0.1 M NaCl is added to a 10.0-mL sample of a solution containing 0.05 M NaOH. What is the concentration of the resulting solution?
A. 0.005 M
B. 0.01 M
C. 0.015 M
D. 0.02 M
Question 6
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'TT'?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 7
A plant hormone that promotes cell elongation and cell division is?
A. Auxin
B. Ethylene
C. Abscisic acid
D. Gibberellin
Question 8
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following is a byproduct of photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Water
Question 9
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. 0.48
B. 0.32
C. 0.16
D. 0.64
Question 10
A plant cell has a cell wall composed of cellulose, hemicellulose, and pectin. Which of the following is NOT a function of the cell wall?
A. Providing structural support
B. Regulating cell growth
C. Facilitating cell division
D. Maintaining cell shape
Question 11
The process by which a cell divides into two daughter cells is called _______________________
A. Mitosis
B. Meiosis
C. Binary Fission
D. Endospore Formation
Question 12
Which of the following is an example of a genetic disorder?
A. Cystic fibrosis
B. Sickle cell anemia
C. Diabetes
D. Hypertension
Question 13
A population of rabbits is growing at a rate of 20% per year. If the initial population is 100 rabbits, what is the population after 5 years?
A. 1000
B. 500
C. 200
D. 50
Question 14
A population of bacteria is growing exponentially. If the initial population is 100 and the population doubles every 2 hours, what is the population after 6 hours?
A. 1000
B. 2000
C. 4000
D. 8000
Question 15
In a eukaryotic cell, the process of meiosis results in the production of four haploid daughter cells. What is the primary function of the synaptonemal complex during meiosis?
A. To facilitate the exchange of genetic material between homo\logous chromosomes
B. To regulate the separation of sister chromatids
C. To ensure the accurate alignment of chromosomes during metaphase
D. To control the condensation of chromatin

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