HESI A2 Biology Multiple Choice
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
Which organelle is responsible for producing ATP through cellular respiration?
A) Ribosome
✔✔B) Mitochondrion
C) Golgi apparatus
D) Lysosome
Which biomolecule is the primary source of quick energy for cells?
✔✔A) Carbohydrates
B) Proteins
C) Lipids
D) Nucleic acids
Which structure regulates the movement of substances into and out of the cell?
A) Cytoplasm
B) Nucleus
1
,✔✔C) Plasma membrane
D) Ribosome
Which base pairs with adenine in DNA?
A) Cytosine
✔✔B) Thymine
C) Guanine
D) Uracil
Which type of RNA carries amino acids to the ribosome during protein synthesis?
A) mRNA
✔✔B) tRNA
C) rRNA
D) snRNA
What is the main function of chloroplasts in plant cells?
A) Protein synthesis
✔✔B) Photosynthesis
2
,C) Energy release from glucose
D) Storage of genetic material
Which phase of the cell cycle involves DNA replication?
✔✔A) S phase
B) G1 phase
C) G2 phase
D) M phase
Which macromolecule stores genetic information?
A) Protein
B) Carbohydrate
C) Lipid
✔✔D) Nucleic acid
Which part of the brain controls balance and coordination?
A) Cerebrum
✔✔B) Cerebellum
3
, C) Medulla oblongata
D) Hypothalamus
Which of the following is an example of active transport?
✔✔A) Sodium-potassium pump
B) Diffusion
C) Osmosis
D) Facilitated diffusion
Which phase of meiosis leads to the separation of homologous chromosomes?
✔✔A) Anaphase I
B) Anaphase II
C) Telophase I
D) Prophase II
Which nitrogenous base is found only in RNA and not in DNA?
A) Thymine
✔✔B) Uracil
4
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
Which organelle is responsible for producing ATP through cellular respiration?
A) Ribosome
✔✔B) Mitochondrion
C) Golgi apparatus
D) Lysosome
Which biomolecule is the primary source of quick energy for cells?
✔✔A) Carbohydrates
B) Proteins
C) Lipids
D) Nucleic acids
Which structure regulates the movement of substances into and out of the cell?
A) Cytoplasm
B) Nucleus
1
,✔✔C) Plasma membrane
D) Ribosome
Which base pairs with adenine in DNA?
A) Cytosine
✔✔B) Thymine
C) Guanine
D) Uracil
Which type of RNA carries amino acids to the ribosome during protein synthesis?
A) mRNA
✔✔B) tRNA
C) rRNA
D) snRNA
What is the main function of chloroplasts in plant cells?
A) Protein synthesis
✔✔B) Photosynthesis
2
,C) Energy release from glucose
D) Storage of genetic material
Which phase of the cell cycle involves DNA replication?
✔✔A) S phase
B) G1 phase
C) G2 phase
D) M phase
Which macromolecule stores genetic information?
A) Protein
B) Carbohydrate
C) Lipid
✔✔D) Nucleic acid
Which part of the brain controls balance and coordination?
A) Cerebrum
✔✔B) Cerebellum
3
, C) Medulla oblongata
D) Hypothalamus
Which of the following is an example of active transport?
✔✔A) Sodium-potassium pump
B) Diffusion
C) Osmosis
D) Facilitated diffusion
Which phase of meiosis leads to the separation of homologous chromosomes?
✔✔A) Anaphase I
B) Anaphase II
C) Telophase I
D) Prophase II
Which nitrogenous base is found only in RNA and not in DNA?
A) Thymine
✔✔B) Uracil
4
