HESI A2 Biology Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
Which bond holds the two strands of DNA together?
✔✔A) Hydrogen bonds
B) Ionic bonds
C) Covalent bonds
D) Peptide bonds
Which type of cell division produces gametes?
A) Mitosis
✔✔B) Meiosis
C) Binary fission
D) Budding
Which process do plants use to release energy stored in glucose?
A) Photosynthesis
✔✔B) Cellular respiration
1
,C) Fermentation
D) Transpiration
What is the primary function of ribosomes?
A) Energy storage
✔✔B) Protein synthesis
C) DNA replication
D) Waste removal
Which part of the plant is responsible for gas exchange?
✔✔A) Stomata
B) Phloem
C) Xylem
D) Cuticle
Which structure controls what enters and exits a cell?
✔✔A) Plasma membrane
B) Nucleus
2
,C) Cell wall
D) Cytoplasm
What is the main role of chlorophyll in plants?
A) Store glucose
✔✔B) Absorb light energy
C) Transport water
D) Produce ATP
Which organelle digests and recycles cellular waste?
A) Ribosome
✔✔B) Lysosome
C) Nucleolus
D) Centriole
Which process describes water moving across a semipermeable membrane from high to low
concentration?
A) Active transport
3
, ✔✔B) Osmosis
C) Facilitated diffusion
D) Endocytosis
Which molecule carries genetic instructions in all living organisms?
✔✔A) DNA
B) RNA
C) ATP
D) Protein
Which stage of mitosis involves chromosomes lining up at the cell's equator?
A) Prophase
✔✔B) Metaphase
C) Anaphase
D) Telophase
Which base in RNA replaces thymine found in DNA?
A) Cytosine
4
Answers | Latest Version | 2025/2026 |
Correct & Verified
Which bond holds the two strands of DNA together?
✔✔A) Hydrogen bonds
B) Ionic bonds
C) Covalent bonds
D) Peptide bonds
Which type of cell division produces gametes?
A) Mitosis
✔✔B) Meiosis
C) Binary fission
D) Budding
Which process do plants use to release energy stored in glucose?
A) Photosynthesis
✔✔B) Cellular respiration
1
,C) Fermentation
D) Transpiration
What is the primary function of ribosomes?
A) Energy storage
✔✔B) Protein synthesis
C) DNA replication
D) Waste removal
Which part of the plant is responsible for gas exchange?
✔✔A) Stomata
B) Phloem
C) Xylem
D) Cuticle
Which structure controls what enters and exits a cell?
✔✔A) Plasma membrane
B) Nucleus
2
,C) Cell wall
D) Cytoplasm
What is the main role of chlorophyll in plants?
A) Store glucose
✔✔B) Absorb light energy
C) Transport water
D) Produce ATP
Which organelle digests and recycles cellular waste?
A) Ribosome
✔✔B) Lysosome
C) Nucleolus
D) Centriole
Which process describes water moving across a semipermeable membrane from high to low
concentration?
A) Active transport
3
, ✔✔B) Osmosis
C) Facilitated diffusion
D) Endocytosis
Which molecule carries genetic instructions in all living organisms?
✔✔A) DNA
B) RNA
C) ATP
D) Protein
Which stage of mitosis involves chromosomes lining up at the cell's equator?
A) Prophase
✔✔B) Metaphase
C) Anaphase
D) Telophase
Which base in RNA replaces thymine found in DNA?
A) Cytosine
4
