POST UTME UI 2024 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In the xylem, water and minerals are transported from the roots to the leaves through the process of
A. Transpiration Pull
B. Root Pressure
C. Transpiration Push
D. Capillary Action
Question 2
The xylem in plants is responsible for transporting water and minerals from the roots to the leaves. Which of the following is a characteristic of xylem tissue?
A. It is composed of dead cells.
B. It is responsible for transporting sugars from the leaves to the roots.
C. It is found in the phloem.
D. It is involved in the synthesis of proteins.
Question 3
The diagram below shows the structure of a plant cell. Identify the part labeled A
A. Cell Wall
B. Plasma Membrane
C. Cytoplasm
D. Nucleus
Question 4
In a closed e\cosystem, the rate of photosynthesis is directly proportional to the rate of respiration. Which of the following best describes the relationship between the two processes?
A. Respiration is the reverse of photosynthesis.
B. Photosynthesis and respiration are two separate processes.
C. The rate of photosynthesis is directly proportional to the rate of respiration.
D. Photosynthesis is the source of energy for respiration.
Question 5
The classification of living things is based on the concept of taxonomy. Which of the following is a level of classification?
A. Domain
B. Kingdom
C. Phylum
D. Species
Question 6
The process of respiration in the human body involves the breakdown of glu\cose to produce energy. Which of the following is a byproduct of cellular respiration?
A. Carbon dioxide and water.
B. Glu\cose and oxygen.
C. Nitrogen and phosphorus.
D. Sulfur and potassium.
Question 7
The process of meiosis results in the production of
A. 4 daughter cells with the same number of chromosomes as the parent cell
B. 4 daughter cells with half the number of chromosomes as the parent cell
C. 2 daughter cells with the same number of chromosomes as the parent cell
D. 2 daughter cells with half the number of chromosomes as the parent cell
Question 8
A 10 mL sample of a 0.1 M solution of NaOH is added to a 50 mL sample of a 0.1 M solution of HCl. What is the pH of the resulting solution?
A. 1
B. 2
C. 3
D. 4
Question 9
In a population of 1000 individuals, 70% exhibit the recessive allele for a particular trait. If the population is randomly bred, what is the expected frequency of the homozygous dominant genotype?
A. 0.49
B. 0.51
C. 0.55
D. 0.59
Question 10
A diagram of the human heart is shown below. Which of the following is a function of the atria?
A. They pump blood from the heart to the lungs.
B. They regulate the amount of blood in the heart.
C. They are involved in the synthesis of proteins.
D. They are essential for the survival of the host cell.
Question 11
The equation for the rate of respiration in a cell is given by
A. \frac{d[O_2]}{dt} = -k[O_2]
B. \frac{d[O_2]}{dt} = k[O_2]
C. \frac{d[O_2]}{dt} = -k[O_2]^2
D. \frac{d[O_2]}{dt} = k[O_2]^2
Question 12
A 0.5 M solution of NaOH is mixed with a 0.5 M solution of HCl. What is the pH of the resulting solution?
A. 1
B. 2
C. 3
D. 4
Question 13
A study on the genetic basis of a disease revealed that the disease is caused by a mutation in a gene that codes for a protein involved in the breakdown of a particular amino acid. Which of the following is a characteristic of the gene?
A. It is located on a chromosome.
B. It codes for a protein involved in the synthesis of a particular amino acid.
C. It is essential for the survival of the host cell.
D. It is involved in the regulation of gene expression.
Question 14
The human circulatory system is responsible for transporting oxygen and nutrients to cells and removing waste products. Which of the following is a type of blood vessel?
A. Artery.
B. Vein.
C. Capillary.
D. All of the above.
Question 15
The xylem in plants is responsible for transporting water and minerals from the roots to the leaves. Which of the following is a characteristic of xylem tissue?
A. It is composed of dead cells.
B. It is responsible for gas exchange.
C. It transports sugars and amino acids.
D. It is composed of living cells.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: