BIOLOGY HESI A2 EXAM QUESTIONS

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BIOLOGY HESI A2 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -75 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What happens to glucose during glycolysis?

• Its energy is entirely lost.
• It splits into molecules of pyruvic acid.
• It is stored in NADH.
• IT joins with molecules of citric acid.

Answer:

• It splits into molecules of pyruvic acid.

Question 2: What is the function of decomposition in the carbon cycle?

• To produce light energy
• To convert carbon to fuel
• To release carbon dioxide
• To store food for consumers

Answer:

• To release carbon dioxide

Question 3: Hemophilia is a sex-linked trait carried on the X chromosome. In an example of a male with hemophilia and a female carrier, what percentage of the offspring is predicted to be carriers only?

• 0%
• 25%
• 50%
• 100%

Answer:

• 25%

Question 4: Which statement regarding energy content is true?

• Decomposers > secondary consumers
• Primary consumers > producers
• Producers > secondary consumers
• Secondary consumers > primary consumers

Answer:

• Producers > secondary consumers

Question 5: Which gives the order of four taxonomic categories from least to most specific?

• Kingdom, phylum, class, order
• Kingdom, phylum, order, class
• Kingdom, order, phylum, class
• Kingdom, class, order, phylum

Answer:

• Kingdom, phylum, class, order

Question 6: Which of these molecules contains glucose?

• Proteins
• Lipids
• Nucleic acids
• Carbohydrates

Answer:

• Carbohydrates

Question 7: Imagine that two parents both carry the recessive gene for cystic fibrosis. Any homozygous recessive offspring will manifest the disease. What percentage of the offspring is predicted to be carriers but not manifest the disease?

• 0%
• 25%
• 50%
• 100%

Answer:

• 50%

Question 8: Why are bacteria and blue-green algae often classified together?

• Both are gymnosperms.
• Both are prokaryotes.
• Both are autotrophs.
• Both are pathogens.

Answer:

• Both are prokaryotes.

Question 9: A cell is in a solution in which the concentration of solutes is higher inside the cell than outside the cell. what would you expect to happen to the cell?

• It will swell and possibly burst.
• It will shrivel and shrink.
• It will maintain its current size.
• It will grow a supportive cell wall.

Answer:

• It will swell and possibly burst.

Question 10: Which animal has an open transport system?

• Grasshopper
• Earthworm
• Dolphin
• Chicken

Answer:

• Grasshopper

Question 11: Which molecules contain only carbon, hydrogen, and oxygen?

• Lipids and proteins
• Carbohydrates and lipids
• Proteins and carbohydrates
• Nucleic acids and proteins

Answer:

• Carbohydrates and lipids