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Test Taking Anxiety 101

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Practice Test 1 (Diagnostic)

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HESI Practice Test 1 Math

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HESI Practice Test 1 Biology

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HESI Practice Test 1 Anatomy & Physiology

HESI Practice Test 1 Physics

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🫀 HESI A&P Review: Cardiovascular System

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The Cardiovascular System

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HESI Practice Test 1 Biology

HESI A2 Free Practice Test Practice Test 1 (Diagnostic) HESI Practice Test 1 Biology

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Cellular Reproduction Cellular Respiration and Photosynthesis 0%
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Question 1 of 25

1. Question
In the taxonomic system, a class is grouped into which of the following levels?
- Order
- Family
- Species
- Phylum
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Question 2 of 25

2. Question
A researcher characterizes a polymer that consists of glycerol molecules. Which of the following does she write in her notes about this polymer?
- These molecules will form protein biomolecules.
- This polymer is capable of storing very little energy.
- The glycerol molecules are covalently bonded together.
- This polymer will help transmit genetic information in a cell.
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Question 3 of 25

3. Question
A researcher characterizes the amino acid chain and structure of a novel substance. Which of the following types of substance is the researcher studying?
- Fat
- DNA
- Enzyme
- Sucrose
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Question 4 of 25

4. Question
A study was performed to evaluate which type of road salt deiced a road most quickly. Which of the following is the independent variable?
- Deicing time period
- Road used for deicing
- Type of road salt used
- Amount of road salt used
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Question 5 of 25

5. Question
A researcher predicts that a new drug will lower cholesterol in people. What is this statement called?
- Law
- Theory
- Variable
- Hypothesis
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Question 6 of 25

6. Question
Which trait is used to distinguish living things from nonliving things?
- Size
- Shape
- Homeostasis
- Environment
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Question 7 of 25

7. Question
Why did it take many years for the cell theory to be developed?
- Advancements in microscopy took place slowly.
- Cells were difficult to isolate for experimental analysis.
- Researchers believed a cell formed from preexisting cells.
- Scientists already proved that cells were essential for life.
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Question 8 of 25

8. Question
A researcher discovers a cell that is less than 0.5 millimeters in diameter. This cell has pili surrounding its cell wall. Which of the following does the researcher classify this cell as?
- Autotroph
- Eukaryote
- Heterotroph
- Prokaryote
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Question 9 of 25

9. Question
Which of the following structures do prokaryotic cells rely on for movement?
- Flagellum
- Microtubule
- Pili
- Vesicle
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Question 10 of 25

10. Question
Which of the following is a characteristic of eukaryotes?
- These organisms are all unicellular.
- They lack a membrane-bound nucleus.
- Many organelles are in their cytoplasm.
- Bacteria and plants are examples of eukaryotes.
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Question 11 of 25

11. Question
Which of the following cellular processes do autotrophs rely on to obtain energy?
- Carbon fixation
- Cell respiration
- Photosynthesis
- Gluconeogenesis
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Question 12 of 25

12. Question
Which of the following explains how a plant cell different from an animal cell?
- It lacks a cell wall.
- It is rectangular.
- It has many vacuoles in its cytoplasm.
- It traps sunlight using its mitochondria.
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Question 13 of 25

13. Question
Glycolysis breaks down
- acetyl coA.
- ATP.
- glucose
- pyruvate
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Question 14 of 25

14. Question
During the G₂ phase, more copies of tubulin are made to separate which of the following?
- histones
- chromosomes
- daughter cells
- sister chromatids
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Question 15 of 25

15. Question
Which process involves crossing over?
- Mitosis
- Meiosis
- Calvin cycle
- Cell respiration
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Question 16 of 25

16. Question
Chromosomes line up during
- anaphase.
- interphase
- prometaphase.
- telophase.
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Question 17 of 25

17. Question
What is the correct order of the stages of the cell cycle?
- \(G_1, S, G_2, M\)
- \(G_2, S, G_1, M\)
- \(M, S, G_2, G_1\)
- \(S, M, G_1, G_2\)
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Question 18 of 25

18. Question
Which of the following is made only during the light reaction phase of photosynthesis?
- ATP
- CO₂
- H₂O
- FADH₂
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Question 19 of 25

19. Question
Which of the following is a segment of DNA that transmits information from parent to offspring?
- Centromere
- Chromatid
- Chromosome
- Gene
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Question 20 of 25

20. Question
The replication of DNA ends with a twisted strand called a _____.
- base pair
- nucleic acid
- double helix
- single strand
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Question 21 of 25

21. Question
Human cells have _____ sets of different chromosomes.
- 12
- 23
- 46
- 50
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Question 22 of 25

22. Question
Which of the following describes how an organism can have two alleles for each trait but only one of those alleles is expressed?
- One of the alleles is hidden in the chromosome.
- One of the alleles is dominant over the other allele.
- It depends on which allele is obtained from a parent first.
- The allele closest to the top of the chromosomes is expressed.
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Question 23 of 25

23. Question
An RNA copy of a gene used as a blueprint for a protein is called which of the following?
- mRNA
- pre-mRNA
- rRNA
- tRNA
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Question 24 of 25

24. Question
An offspring receives which of the following number of allele(s) for a particular trait from each parent.
- 1
- 2
- 3
- 4
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Question 25 of 25

25. Question
Crossing two heterozygous flowers, Bb x Bb, which of the following is the chance of obtaining a homozygous, recessive trait?
- 25%
- 50%
- 75%
- 100%
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HESI Practice Test 1 Biology

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