POST UTME LAUTECH 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The type of tissue that is found in the skin and is responsible for sensation is called _______.
A. epithelial
B. connective
C. muscular
D. nervous
Question 2
A plant cell has a cell wall, a large central vacuole, and a small nucleus. Which of the following is NOT a characteristic of plant cells?
A. Cell wall
B. Large central vacuole
C. Small nucleus
D. Mitochondria
Question 3
The table below shows the classification of living organisms into different kingdoms. Which of the following organisms belongs to the kingdom Animalia?
A. Bacteria
B. Fungi
C. Protista
D. Homo sapiens
Question 4
A species of bird has a unique characteristic of having a beak that is shaped like a hook. Which of the following is a likely adaptation of this beak shape?
A. It is used for catching fish
B. It is used for cracking seeds
C. It is used for eating insects
D. It is used for drinking water
Question 5
A diagram of a human reproductive system is shown below. Identify the organ responsible for producing sperm in males.
A. Testes
B. Epididymis
C. Vas Deferens
D. Prostate Gland
Question 6
In a human nervous system, the transmission of signals from the sensory receptors to the central nervous system is primarily facilitated by which of the following types of neurons?
A. Motor neurons
B. Sensory neurons
C. Interneurons
D. Association neurons
Question 7
A population of bacteria is growing in a controlled environment. The growth rate of the population is measured over time and is found to be proportional to the current population size. What is the name of this type of growth?
A. Exponential growth
B. Logistic growth
C. Linear growth
D. Sigmoid growth
Question 8
In the context of cell division, what is the primary function of the spindle fibers during anaphase?
A. To separate the sister chromatids
B. To align the chromosomes at the metaphase plate
C. To pull the chromosomes apart during anaphase
D. To form the nuclear envelope during telophase
Question 9
In a plant cell, the process of gas exchange occurs primarily in the _______.
A. vacuole
B. chloroplast
C. cell wall
D. plasma membrane
Question 10
A DNA molecule has the following sequence: 5'-ATCG-3'. What is the complementary sequence?
A. 5'-TAGC-3'
B. 5'-TCGA-3'
C. 5'-GCTA-3'
D. 5'-AGCT-3'
Question 11
The Hardy-Weinberg principle states that a population's allele and genotype frequencies will remain cons\tant from generation to generation in the absence of other evolutionary influences. Which of the following is a necessary condition for the Hardy-Weinberg principle to hold?
A. Random mating
B. No mutation
C. No gene flow
D. No natural selection
Question 12
A plant has a root system with a total surface area of 100 cm^2. If the root hairs have a length of 1 cm and a diameter of 0.01 cm, what is the total surface area of the root hairs?
A. 10 cm^2
B. 20 cm^2
C. 50 cm^2
D. 100 cm^2
Question 13
The process of meiosis results in the production of four haploid cells from a diploid cell. Which of the following is a characteristic of the cells produced during meiosis?
A. They have the same number of chromosomes as the parent cell
B. They have half the number of chromosomes as the parent cell
C. They have a mix of paternal and maternal chromosomes
D. They are genetically identical to the parent cell
Question 14
The process of osmoregulation in a desert-dwelling organism involves the excretion of excess water through which of the following structures?
A. Kidneys
B. Lungs
C. Skin
D. Bladder
Question 15
The process by which an organism grows and develops from a \single cell is called _______.
A. mitosis
B. meiosis
C. fertilization
D. embryogenesis

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