POST UTME IGBINEDION UNIVERSITY 2017 Biology | Objective

Practice these randomly selected questions to test your readiness.

Question 1
In a photosynthetic pathway, the light-dep\endent reactions occur in the thylakoid membranes of the chloroplast. What is the primary function of the light-dep\endent reactions?
A. To produce ATP and NADPH
B. To produce glu\cose and oxygen
C. To produce starch and cellulose
D. To produce proteins and lipids
Question 2
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'TT'?
A. 0.25
B. 0.5
C. 0.75
D. 0.9
Question 3
In a photosynthetic pathway, the light-dep\endent reactions occur in the thylakoid membranes of the chloroplast. What is the primary function of the light-dep\endent reactions?
A. To produce ATP and NADPH
B. To produce glu\cose and oxygen
C. To produce starch and cellulose
D. To produce proteins and lipids
Question 4
A plant with the genotype 'Rr' is crossed with a plant with the genotype 'RR'. What is the probability that the offspring will have the genotype 'RR'?
A. 0
B. 0.5
C. 1
D. 0.75
Question 5
The diagram below shows the structure of a plant cell. What is the function of the cell wall?
A. To provide structural support
B. To regulate the movement of subs\tances
C. To synthesize proteins
D. To store genetic information
Question 6
A cell is in the G2 phase of the cell cycle. What is the next phase of the cell cycle?
A. G1
B. S
C. G2
D. M
Question 7
The diagram below shows the structure of a human eye.
A. The cornea is labeled A
B. The iris is labeled B
C. The retina is labeled C
D. The lens is labeled A
Question 8
The Hardy-Weinberg principle states that allele and genotype frequencies in a population 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 true?
A. Random mating
B. No mutation
C. No gene flow
D. No natural selection
Question 9
A 2.0 M solution of NaOH is mixed with a 2.0 M solution of HCl. What is the pH of the resulting solution?
A. 1
B. 7
C. 10
D. 12
Question 10
In a eukaryotic cell, the process of photosynthesis occurs in the mitochondria.
A. True
B. False
C. Photosynthesis occurs in the chloroplasts
D. Photosynthesis occurs in the cytoplasm
Question 11
In a tropical rainforest, the primary consumers are primarily herbivores. Which of the following is a characteristic of the primary consumers in this e\cosystem?
A. They are primarily carnivores
B. They are primarily detritivores
C. They are primarily herbivores
D. They are primarily omnivores
Question 12
A 50-g sample of a subs\tance is burned in a bomb calorimeter, relea\sing 120 kJ of heat. What is the molar heat of combustion of the subs\tance?
A. -2000
B. -2400
C. -2800
D. -3000
Question 13
In a cell, the process of mitosis is divided into four stages: prophase, metaphase, anaphase, and telophase. What is the primary function of the metaphase stage?
A. To align the chromosomes at the center of the cell
B. To separate the sister chromatids
C. To condense the chromosomes
D. To decondense the chromosomes
Question 14
The diagram below shows the structure of a human eye. What is the function of the lens?
A. To regulate the movement of subs\tances
B. To synthesize proteins
C. To focus light on the retina
D. To store genetic information
Question 15
A plant with the genotype 'Tt' is crossed with a plant with the genotype 'tt'. What is the probability that the offspring will have the genotype 'tt'?
A. 0
B. 0.5
C. 1
D. 0.75

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