POST UTME KSU 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
What is the term for the movement of water from the roots to the leaves of a plant?
A. Transpiration
B. Respiration
C. Photosynthesis
D. Osmosis
Question 2
The process of digestion in the human body involves the breakdown of food into smaller molecules that can be absorbed and utilized by the body. Which of the following enzymes is responsible for breaking down proteins?
A. Amylase
B. Lipase
C. Tryp\sin
D. Lactase
Question 3
A diagram of the human eye is shown below. Identify the part labeled B.
A. Cornea
B. Lens
C. Retina
D. Iris
Question 4
A diagram of the human circulatory system is shown below. Which part of the system is responsible for pumping blood throughout the body?
A. Heart
B. Arteries
C. Veins
D. Capillaries
Question 5
The process by which plants convert light energy into chemical energy is known as?
A. Photosynthesis
B. Respiration
C. Transpiration
D. Osmosis
Question 6
In the human body, which of the following types of tissue is responsible for the production of red blood cells?
A. Connective tissue
B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue
Question 7
In the context of osmoregulation, what is the primary function of the hormone vasopres\sin in the kidneys?
A. Regulation of blood pressure
B. Maintenance of water balance
C. Regulation of electrolyte balance
D. Regulation of blood sugar levels
Question 8
A diagram of the human eye is shown below. Which part of the eye is responsible for detecting light?
A. Cornea
B. Iris
C. Retina
D. Lens
Question 9
A population of rabbits is growing according to the \logistic growth equation. If the carrying capacity of the environment is 1000 rabbits, and the initial population is 100 rabbits, what is the population size after 5 generations?
A. 500
B. 750
C. 900
D. 1000
Question 10
A researcher is studying the effect of a new antibiotic on the growth of E. coli bacteria. The graph below shows the growth of the bacteria over time. What is the rate of growth of the bacteria at time t = 4 hours?
A. 0.5
B. 1.0
C. 1.5
D. 2.0
Question 11
The process of photosynthesis in plants involves the conversion of light energy into chemical energy in the form of glu\cose. Which of the following statements about the light-dep\endent reactions is FALSE?
A. Light energy is absorbed by chlorophyll and converted into ATP and NADPH
B. The light-dep\endent reactions occur in the stroma of the chloroplast
C. Water is split to produce oxygen and protons
D. The light-dep\endent reactions produce ATP and NADPH but not glu\cose
Question 12
In a photosynthetic pathway, the enzyme RuBisCO is responsible for catalyzing the carboxylation of RuBP. Which of the following is a characteristic of RuBisCO?
A. It is a bifunctional enzyme that also catalyzes the oxygenation of RuBP.
B. It has a high affinity for CO2 and a low affinity for O2.
C. It is the most abundant enzyme in the world.
D. It is responsible for the reduction of CO2 to formic acid.
Question 13
A person has a genetic disorder that affects the production of a particular enzyme. Which of the following is a likely consequence of this disorder?
A. Increased levels of the enzyme
B. Decreased levels of the enzyme
C. No effect on the levels of the enzyme
D. Increased levels of a related enzyme
Question 14
In the process of osmoregulation, what is the primary mechanism by which the kidneys regulate the concentration of ions in the blood?
A. Reabsorption of ions from the filtrate
B. Secretion of ions into the filtrate
C. Excretion of ions in the urine
D. Regulation of ion channels in the renal tubules
Question 15
A diagram of the human nervous system is shown below. Identify the part labeled A.
A. Cerebrum
B. Cerebellum
C. Brainstem
D. Spinal cord

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