WorksheetsGen Bio 1011 Practice Exam
Total questions: 26
Worksheet time: 13mins
What is the primary function of the cell membrane?
A) Energy production
B) Protein synthesis
C) Selective permeability
D) Genetic material storage
Which part of the phospholipid molecule is hydrophilic?
A) Tail
B) Head
C) Both A and B
D) Neither A nor B
In which type of environment do organisms need more unsaturated fats in their membranes to maintain fluidity?
A) Hot
B) Cold
C) Dry
D) Acidic
What is the main characteristic of passive transport?
A) Requires energy
B) Moves against the concentration gradient
C) Moves with the concentration gradient
D) Involves vesicles
Which of the following processes requires energy?
A) Osmosis
B) Facilitated diffusion
C) Active transport
D) Simple diffusion
What is the role of cholesterol in the cell membrane? (Not too important to know)
A) Increase membrane fluidity
B) Decrease membrane fluidity
C) Provide energy
D) Act as a receptor
Which type of transport involves the movement of large molecules into the cell?
A) Diffusion
B) Exocytosis
C) Endocytosis
D) Osmosis
What is the primary function of ribosomes?
To store genetic information.
The primary function of ribosomes is to synthesize proteins.
To transport nutrients within the cell.
To produce energy for cellular activities.
What are the products of glycolysis?
A) 2 ATP, 2 NADH, and 2 pyruvate
B) 2 ATP, 2 FADH2, and 2 acetyl-CoA
C) 4 ATP, 2 NADH, and 2 pyruvate
D) 2 ATP, 4 NADH, and 2 glucose
Where does the citric acid cycle occur in eukaryotic cells?
A) Cytoplasm
B) Nucleus
C) Mitochondria
D) Endoplasmic reticulum
Which of the following is a byproduct of the electron transport chain?
A) Glucose
B) Oxygen
C) Water
D) Lactic acid
What is the role of ATP synthase?
A) To split water molecules
B) To transport electrons
C) To produce ATP
D) To store energy
Which of the following best describes fermentation?
A) Aerobic process
B) Anaerobic process
C) Energy-producing process without oxygen
D) Both B and C
What is the main energy currency of the cell?
A) ADP
B) NADH
C) ATP
D) FADH2
Which organelle is responsible for photosynthesis?
A) Mitochondria
B) Chloroplast
C) Ribosome
D) Golgi apparatus
What is the function of the Golgi apparatus?
A) Protein Synthesis
B) Lipid metabolism
C) Modifying, sorting, and packaging proteins
D) Energy production
Which cellular structure is responsible for detoxifying harmful substances?
A) Lysosome
B) Peroxisome
C) Ribosome
D) Endoplasmic reticulum
What is the term for the movement of water across a selectively permeable membrane?
Filtration
Diffusion
Evaporation
Osmosis
Which structure contains enzymes that break down waste materials and cellular debris?
Endoplasmic Reticulum
Lysosomes
Ribosomes
Mitochondria
Which of the following is a function of the smooth endoplasmic reticulum?
A) Protein synthesis
B) Lipid synthesis
C) ATP production
D) DNA replication
What is the primary function of the cytoskeleton?
The primary function of the cytoskeleton is to provide structural support and shape to the cell.
To transport nutrients across the cell membrane.
To store genetic information within the cell.
To facilitate cell division and replication.
How many ATP are produced from one glucose molecule during cellular respiration (including glycolysis, the citric acid cycle, and the electron transport chain)?
40 ATP
18 ATP
24 ATP
30 to 32+ ATP
Which type of cellular transport does NOT require a protein?
Simple diffusion
Endocytosis
Active transport
Facilitated diffusion
What is the role of enzymes in biological reactions?
Enzymes are used to store energy in cells.
Enzymes help in the formation of DNA strands.
Enzymes are responsible for cell division.
Enzymes speed up biological reactions by lowering activation energy.
What is a common characteristic of prokaryotic cells?
They have a defined nucleus.
They are multicellular organisms.
They contain membrane-bound organelles.
They lack a nucleus, and have circular DNA.
Which process occurs in the mitochondria?
Protein synthesis
DNA replication
Cellular respiration
Photosynthesis
