BIOLOGY HESI A2 PRACTICE QUESTIONS 2025 EXAM

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BIOLOGY HESI A2 PRACTICE QUESTIONS 2025 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -62 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: 28. Which organelle can be functionally compared to the door of a house?

• Endoplasmic reticulum
• Cell membrane
• Nucleus
• Cytoplasm

Answer:

• Cell membrane

Question 2: 17. Which cellular appendage enables cells to move though their environments?

• Flagellum
• Cell membrane
• Transport protein
• Receptor

Answer:

• Flagellum

Question 3: 13. Anaerobic respiration happens in ___ because ___

A. animals: they need energy

B. Plans: they use sunlight

C. Bacteria: they live in environments with low oxygen

• None of the above

Answer:

C. Bacteria: they live in environments with low oxygen

Question 4: 15. The cellular membrane consists of a bilayer of which substances?

• Nucleic acids
• Phospholipids
• Proteins
• Carbohydrates

Answer:

• Phospholipids

Question 5: Why do gardeners sometimes use salt to get rid of slugs?

• The salt moves from the exterior into the slug's body.
• The salt causes water in the slug to move outward.
• The salt and slug slime merge to form a new compound.
• The salt's corrosiveness breaks down the slug's cell walls.

Answer:

• The salt's corrosiveness breaks down the slug's cell walls.

Question 6: 47. 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 7: 55. What event occurs during telophase?

• The nuclear envelope disappears.
• Organelles double in number.
• Chromosomes separate.
• Two nuclei are formed.

Answer:

• Two nuclei are formed

Question 8: 25. Which antioxidant is identified as healing vitamin?

• D
• K
• A
• E

Answer:

• A

Question 9: 50. What process do cells in the tip of a plant's root undergo to increase in number?

• Meiosis
• Cytokinesis
• Fractioning
• Mitosis

Answer:

• Mitosis

Question 10: 59. What organelle do plant cells have that functions as storage, waste disposal, and protection?

• Nucleus
• Mitochondria
• Vacuoles
• Ribosomes

Answer:

• Vacuoles

Question 11: 4. What system consists of all the organs involved in the formation and release of urine and includes the kidneys, ureters, bladder, and urethra.

• The digestive system
• The reproductive system
• The renal system
• The kidney system

Answer:

• The renal system