POST UTME OSUSTECH 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The type of transport in plants that involves the movement of water and minerals from the roots to the leaves through the xylem is called
A. Transpiration
B. Translocation
C. Osmosis
D. Diffusion
Question 2
A 2.5 L solution contains 1.5 M glu\cose. If 50 mL of this solution is diluted to 100 mL, what is the concentration of glu\cose in the final solution?
A. 0.75 M
B. 1.0 M
C. 1.25 M
D. 1.5 M
Question 3
The process of photosynthesis in plants involves the conversion of light energy into chemical energy. Which of the following products is formed during the light-dep\endent reactions of photosynthesis?
A. ATP
B. NADPH
C. Oxygen
D. Glu\cose
Question 4
A diagram of the human eye is shown below. What is the primary function of the structure labeled 'B'?
A. To focus light on the retina
B. To regulate the amount of light entering the eye
C. To produce tears to lubricate the eye
D. To move the eye in different directions
Question 5
A diagram of the human circulatory system is shown below. What is the primary function of the structure labeled 'D'?
A. To transport oxygen to the body's cells
B. To regulate body temperature
C. To control movement
D. To produce hormones
Question 6
A species of bird has a beak shape that is well-suited for cracking open seeds. However, this beak shape also makes it difficult for the bird to eat insects. What is an example of an adaptation that has resulted from this trade-off?
A. The bird's ability to fly quickly to catch insects
B. The bird's strong legs for perching on branches
C. The bird's specialized digestive system for breaking down seeds
D. The bird's large eyes for spotting insects
Question 7
The process of mitosis in eukaryotic cells involves the replication of DNA and the subsequent division of the cell into two daughter cells. Which of the following stages of mitosis is characterized by the condensation of chromatin into visible chromosomes?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 8
The type of classification that groups living organisms based on their physical characteristics and morpho\logy is called
A. Phy\logenetic Classification
B. Morpho\logical Classification
C. Bio\logical Classification
D. Chemical Classification
Question 9
In the context of cell division, what is the primary function of the centrioles during the prophase stage of mitosis?
A. To form the spindle fibers
B. To replicate the DNA
C. To condense the chromatin
D. To form the nuclear envelope
Question 10
The process of mitosis in eukaryotic cells involves the replication of DNA and the subsequent division of the cell into two daughter cells. Which of the following stages of mitosis is characterized by the separation of sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Question 11
A diagram of the human nervous system is shown below. What is the primary function of the structure labeled 'C'?
A. To transmit signals from the brain to the rest of the body
B. To regulate body temperature
C. To control movement
D. To produce hormones
Question 12
A genetic cross is performed between two pea plants, one with the genotype TT and the other with the genotype tt. What is the probability that the offspring will have the genotype Tt?
A. 1/2
B. 1/4
C. 3/4
D. 2/3
Question 13
A 50 mL sample of blood is collected from a patient and centrifuged to separate the plasma from the cells. The plasma is then analyzed for glu\cose concentration. If the glu\cose concentration in the plasma is 120 mg/dL, what is the glu\cose concentration in the whole blood?
A. 60 mg/dL
B. 80 mg/dL
C. 100 mg/dL
D. 120 mg/dL
Question 14
The nervous system is responsible for transmitting signals between different parts of the body. Which of the following types of neurons is responsible for transmitting signals from sensory receptors to the central nervous system?
A. Motor neuron
B. Sensory neuron
C. Interneuron
D. Association neuron
Question 15
A diagram of the human excretory system is shown below. What is the primary function of the kidneys?
A. To filter waste products from the blood
B. To regulate the amount of water in the body
C. To produce hormones that control growth and development
D. To maintain the acid-base balance in the body

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