POST UTME ESUT 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the context of transport systems, what is the primary function of the xylem in plants?
A. Transport of water and minerals from roots to leaves
B. Transport of sugars and amino acids from leaves to roots
C. Transport of oxygen and carbon dioxide between leaves and roots
D. Transport of hormones and other signaling molecules throughout the plant
Question 2
A 35-year-old man is admitted to the hospital with symptoms of respiratory distress. His chest X-ray shows a large pleural effusion. Which of the following is the most likely cause of his condition?
A. Lung cancer
B. Pneumonia
C. Cardiac failure
D. Tuberculosis
Question 3
A diagram of the human respiratory system is shown below. What is the primary function of the part labeled 'E'?
A. To regulate the flow of air into the lungs
B. To filter out dust and debris from the air
C. To exchange oxygen and carbon dioxide
D. To regulate the contraction and relaxation of the diaphragm
Question 4
In a photosynthetic pathway, what is the primary function of the enzyme RuBisCO?
A. Fixing CO2 into a 3-carbon molecule
B. Converting RuBP into a 3-carbon molecule
C. Regenerating RuBP from a 3-carbon molecule
D. Regulating the Calvin cycle
Question 5
The _______ is a type of tissue characterized by the presence of muscle fibers.
A. epithelial
B. connective
C. muscular
D. nervous
Question 6
In the context of cell division, what is the primary function of the spindle fibers during mitosis?
A. To separate chromosomes during anaphase
B. To align chromosomes during prophase
C. To regulate the cell cycle
D. To synthesize DNA during interphase
Question 7
A 5% solution of glu\cose is diluted to 2%. What is the new volume of the solution?
A. 50 mL
B. 100 mL
C. 200 mL
D. 500 mL
Question 8
The _______ is a type of cell division that results in the production of four non-identical daughter cells.
A. mitosis
B. meiosis
C. binary fission
D. \endospore formation
Question 9
In the context of evolutionary bio\logy, what is the primary mechanism driving the process of speciation?
A. Genetic drift
B. Natural selection
C. Gene flow
D. Mutation
Question 10
The _______ is a type of biome characterized by a cold and dry climate.
A. tundra
B. desert
C. grassland
D. rainforest
Question 11
A 25-year-old woman is diagnosed with type 1 diabetes mellitus. Which of the following is a characteristic of her condition?
A. Insulin resis\tance
B. Pancreatic \beta-cell destruction
C. Genetic predisposition
D. Autoimmune response
Question 12
The _______ is a type of osmoregulatory mechanism that helps to maintain the balance of water and electrolytes in the body.
A. kidney function
B. adrenal gland function
C. thyroid gland function
D. pancreas function
Question 13
The _______ is a type of cell division that results in the production of four daughter cells.
A. mitosis
B. meiosis
C. binary fission
D. \endospore formation
Question 14
The _______ system is responsible for the breakdown of proteins into amino acids.
A. lysosomal
B. peroxisomal
C. \endoplasmic reticulum
D. cytosolic
Question 15
In the context of hormonal coordination, what is the primary function of the hypothalamus?
A. To regulate body temperature
B. To control hunger and thirst
C. To stimulate the release of hormones
D. To regulate the sleep-wake cycle

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