GENERAL BIOLOGY — STUDY GUIDE
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS |
NEWEST VERSION
Description:
This study guide covers core General Biology
topics, including cell structure and function,
metabolism, genetics, evolution, ecology,
classification of organisms, and introductory
physiology. Each multiple-choice question includes
one clearly marked correct answer.
Keywords:
General Biology, cell biology, metabolism,
enzymes, photosynthesis, cellular respiration,
genetics, DNA, RNA, evolution, ecology, taxonomy,
physiology, homeostasis, study guide, MCQs,
verified answers
Questions
1. The basic unit of life is the:
A) Tissue
B) Organ
C) Cell ✅✅✅
D) Molecule
2. Which structure controls what enters and leaves the cell?
A) Nucleus
B) Cell membrane ✅✅✅
, C) Ribosome
D) Cytoplasm
3. The nucleus is best described as the:
A) Site of ATP production
B) Control center of the cell ✅✅✅
C) Storage area for water
D) Structure for protein packaging
4. Which organelle is known as the powerhouse of the cell?
A) Golgi apparatus
B) Chloroplast
C) Mitochondrion ✅✅✅
D) Vacuole
5. Ribosomes are responsible for:
A) Lipid digestion
B) Protein synthesis ✅✅✅
C) DNA replication only
D) Waste removal
6. The jelly-like substance inside the cell is called:
A) Cell wall
B) Cytoplasm ✅✅✅
C) Lysosome
D) Nucleolus
7. Plant cells differ from animal cells because plant cells have:
A) Ribosomes only
B) Mitochondria only
C) Cell walls and chloroplasts ✅✅✅
D) Cytoplasm only
8. The main function of chloroplasts is:
A) Cellular respiration
B) Photosynthesis ✅✅✅
C) Protein synthesis
D) Digestion
9. Which structure provides support and protection in plant cells?
A) Cell wall ✅✅✅
B) Cell membrane
C) Nucleus
D) Mitochondrion
2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS |
NEWEST VERSION
Description:
This study guide covers core General Biology
topics, including cell structure and function,
metabolism, genetics, evolution, ecology,
classification of organisms, and introductory
physiology. Each multiple-choice question includes
one clearly marked correct answer.
Keywords:
General Biology, cell biology, metabolism,
enzymes, photosynthesis, cellular respiration,
genetics, DNA, RNA, evolution, ecology, taxonomy,
physiology, homeostasis, study guide, MCQs,
verified answers
Questions
1. The basic unit of life is the:
A) Tissue
B) Organ
C) Cell ✅✅✅
D) Molecule
2. Which structure controls what enters and leaves the cell?
A) Nucleus
B) Cell membrane ✅✅✅
, C) Ribosome
D) Cytoplasm
3. The nucleus is best described as the:
A) Site of ATP production
B) Control center of the cell ✅✅✅
C) Storage area for water
D) Structure for protein packaging
4. Which organelle is known as the powerhouse of the cell?
A) Golgi apparatus
B) Chloroplast
C) Mitochondrion ✅✅✅
D) Vacuole
5. Ribosomes are responsible for:
A) Lipid digestion
B) Protein synthesis ✅✅✅
C) DNA replication only
D) Waste removal
6. The jelly-like substance inside the cell is called:
A) Cell wall
B) Cytoplasm ✅✅✅
C) Lysosome
D) Nucleolus
7. Plant cells differ from animal cells because plant cells have:
A) Ribosomes only
B) Mitochondria only
C) Cell walls and chloroplasts ✅✅✅
D) Cytoplasm only
8. The main function of chloroplasts is:
A) Cellular respiration
B) Photosynthesis ✅✅✅
C) Protein synthesis
D) Digestion
9. Which structure provides support and protection in plant cells?
A) Cell wall ✅✅✅
B) Cell membrane
C) Nucleus
D) Mitochondrion
