POST UTME MADONNA UNIVERSITY 2022 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
The process of respiration in plants involves the breakdown of glu\cose to produce energy in the form of ATP, which is then used to power the movement of
A. Protons
B. Electrons
C. Ions
D. Molecules
Question 2
A student is studying the classification of living things. Which of the following kingdoms is characterized by the presence of cell walls made of cellulose?
A. Animalia
B. Fungi
C. Plantae
D. Protista
Question 3
The classification of living things is based on the following characteristics: cell structure, body organization, metabolism, response to stimuli, and
A. Genetic information
B. Evolutionary history
C. Eco\logical niche
D. Reproduction method
Question 4
In a typical human cell, the process of meiosis is initiated by the breakdown of the following structure:
A. Nucleus
B. Mitochondria
C. Endoplasmic Reticulum
D. Lysosome
Question 5
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 is NOT a product of digestion?
A. Glu\cose
B. Amino acids
C. Fatty acids
D. Water
Question 6
Which of the following types of cells is responsible for the production of gametes in plants?
A. Meristematic cells
B. Parenchyma cells
C. Collenchyma cells
D. Sporophytic cells
Question 7
A diagram of a human respiratory system is shown below. What is the function of the structure labeled 'Y'?
A. Site of gas exchange
B. Site of air filtration
C. Site of air humidification
D. Site of air warming
Question 8
In a plant cell, the xylem is responsible for transporting water and minerals from the roots to the leaves through the process of
A. Transpiration
B. Photosynthesis
C. Osmosis
D. Diffusion
Question 9
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.36
B. 0.64
C. 0.48
D. 0.72
Question 10
The process of asexual reproduction in plants is characterized by the following method:
A. Budding
B. Fragmentation
C. Regeneration
D. Spore formation
Question 11
The sense organ responsible for detecting changes in temperature is
A. tongue
B. skin
C. eyes
D. ears
Question 12
In the process of cellular respiration, what is the primary function of the electron transport chain?
A. To generate ATP through substrate-level phosphorylation
B. To pump protons across the mitochondrial inner membrane
C. To produce NADH and FADH2
D. To reduce oxygen to water
Question 13
In a population of Drosophila melanogaster, the frequency of the recessive allele 'a' is 0.2. If the population is in Hardy-Weinberg equilibrium, what is the frequency of the homozygous dominant genotype 'AA'?
A. 0.64
B. 0.36
C. 0.16
D. 0.04
Question 14
A plant root has a high concentration of auxin, which promotes cell elongation. Which of the following statements is true regarding the effect of auxin on cell growth?
A. Auxin inhibits cell elongation
B. Auxin promotes cell division
C. Auxin promotes cell elongation
D. Auxin has no effect on cell growth
Question 15
A researcher is studying the structure of a cell. Which of the following organelles is responsible for protein synthesis?
A. Mitochondria
B. Ribosome
C. Endoplasmic Reticulum
D. Lysosome

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