POST UTME RSU 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The primary function of the Golgi apparatus in a cell is to
A. Synthesize proteins
B. Modify and package proteins
C. Regulate cell growth
D. Maintain cell shape
Question 2
In the context of hormonal coordination, what is the primary function of the hypothalamic-pituitary-adrenal (HPA) axis?
A. Regulation of body temperature
B. Maintenance of blood pressure
C. Stimulation of the immune system
D. Response to stress and anxiety
Question 3
The process by which plants transport water and minerals from the roots to the leaves is known as:
A. Transpiration
B. Translocation
C. Osmosis
D. Diffusion
Question 4
A plant cell is placed in a solution with a high concentration of sucrose. What happens to the cell's turgor pressure?
A. Increases
B. Decreases
C. Remains the same
D. Becomes negative
Question 5
In a population of Drosophila melanogaster, the frequency of the recessive allele 'b' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype?
A. 0.36
B. 0.64
C. 0.16
D. 0.48
Question 6
A patient is diagnosed with a bacterial infection caused by Staphylococcus aureus. The patient is prescribed a course of antibiotics. Which of the following antibiotics is most likely to be effective against this type of bacteria?
A. Penicillin
B. Erythromycin
C. Ciprofloxacin
D. Vancomycin
Question 7
A researcher is studying the effect of temperature on the growth rate of E. coli. She measures the growth rate at different temperatures and plots the data on a graph. Which of the following types of graphs would best represent the relationship between temperature and growth rate?
A. \( y = mx + b \)
B. \( y = mx^2 + b \)
C. \( y = \frac{1}{x} + b \)
D. \( y = \frac{1}{x^2} + b \)
Question 8
A patient has been diagnosed with a kidney stone. Which of the following organs is responsible for filtering waste products from the blood?
A. Liver
B. Kidneys
C. Pancreas
D. Spleen
Question 9
The process of asexual reproduction in which a new individual is produced from a \single parent organism, without the involvement of gametes, is known as:
A. Budding
B. Binary Fission
C. Fragmentation
D. Regeneration
Question 10
A cell in the G2 phase of the cell cycle has a DNA content of 8C. If the cell proceeds to mitosis, what will be the DNA content of the daughter cells?
A. 4C
B. 8C
C. 16C
D. 32C
Question 11
The diagram below shows a simple circuit with a battery, a resistor, and a light bulb. If the battery is removed, what will happen to the light bulb?
A. It will shine brighter
B. It will shine dimmer
C. It will stop shining
D. It will start smoking
Question 12
In the process of osmoregulation, what is the primary mechanism by which the kidney regulates the concentration of ions in the blood?
A. Reabsorption of ions in the renal tubules
B. Excretion of ions in the urine
C. Regulation of ion channels in the renal tubules
D. Hormonal regulation of ion balance
Question 13
A patient is diagnosed with a bacterial infection caused by Staphylococcus aureus. Which of the following antibiotics is most likely to be effective against this bacterium?
A. Penicillin G
B. Methicillin
C. Vancomycin
D. Ciprofloxacin
Question 14
A diagram of a plant's xylem and phloem is shown below. What is the function of the xylem?
A. Transport of water and minerals
B. Transport of sugars and amino acids
C. Storage of starch and proteins
D. Synthesis of ATP and NADPH
Question 15
A 50-year-old patient presents with symptoms of hypertension and is prescribed a \beta-blocker. What is the primary mechanism of action of this medication?
A. Inhibition of angioten\sin-converting enzyme (ACE)
B. Blockade of \alpha-adrenergic receptors
C. Blockade of \beta-adrenergic receptors
D. Inhibition of the renin-angioten\sin-aldosterone system (RAAS)

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