What is the correct formula for magnification?
A) magnification = Image size ÷ Actual size
B) magnification = Actual size ÷ Image size
C) magnification = Actual size × Image size
D) magnification = Image size – Actual size
B) magnification = Actual size ÷ Image size
Ingestion refers to:
A) The breakdown of food
B) Taking food into the body
C) Absorption of nutrients
D) Removal of waste
B) Taking food into the body
Which structure is found in plant cells but not in animal cells?
A) Nucleus
B) Mitochondria
C) Cell wall
D) Ribosomes
C) Cell wall
. A group of similar cells performing the same function is called a:
A) Tissue
B) Organ
C) Organ system
D) Cell
A) Tissue
Starch is made from:
A) Amino acids
B) Glucose
C) Fatty acids
D) Glycerol
B) Glucose
If the magnification is 5 and the actual size is 10 μm, what is the image size?
A) 50 μm
B) 2 μm
C) 15 μm
D) 5 μm
A) 50 μm
Blood is pumped away from the heart through:
A) Veins
B) Capillaries
C) Arteries
D) Nerves
Which organelle is responsible for photosynthesis in plant cells?
A) Ribosomes
B) Chloroplasts
C) Mitochondria
D) Vacuoles
B) Chloroplasts
An organ system is made up of:
A) One type of cell
B) Tissues only
C) Several organs working together
D) Proteins
C) Several organs working together
Proteins are built from:
A) Sugars
B) Fatty acids
C) Amino acids
D) Glycerol
C) Amino acids
Bacteria have:
A) A nucleus
B) Chloroplasts
C) Cell wall
D) Mitochondria
C) Cell wall
What is the word equation for photosynthesis?
A) Glucose + oxygen → carbon dioxide + water
B) Carbon dioxide + water → glucose + oxygen
C) Oxygen + water → carbon dioxide + glucose
D) Water + glucose → carbon dioxide + oxygen
B) Carbon dioxide + water → glucose + oxygen
Which of these structures controls the activities of the cell?
A) Vacuole
B) Cell membrane
C) Ribosomes
D) Nucleus
D) Nucleus
The heart is an example of a(n):
A) Organ
B) Cell
C) Tissue
D) Organism
A) Organ
Fats and oils are made from:
A) Glucose and amino acids
B) Glycerol and fatty acids
C) Starch and proteins
D) Glucose and glycerol
B) Glycerol and fatty acids
What type of DNA is found in bacterial cells?
A) Linear DNA
B) Circular DNA
C) Double-stranded RNA
D) Chromatin
B) Circular DNA
The word equation for aerobic respiration is:
A) Glucose + carbon dioxide → oxygen + water
B) Glucose + oxygen → carbon dioxide + water
C) Oxygen + carbon dioxide → glucose + water
D) Glucose + water → oxygen + carbon dioxide
B) Glucose + oxygen → carbon dioxide + water
The function of the cell wall is to:
A) Produce proteins
B) Control cell division
C) Support and protect the cell
D) Transport nutrients
C) Support and protect the cell
Which of the following is the correct order of biological organization?
A) Cell → Organ → Tissue → Organ system → Organism
B) Organ → Tissue → Cell → Organism → Organ system
C) Cell → Tissue → Organ → Organ system → Organism
D) Tissue → Cell → Organ → Organ system → Organism
C) Cell → Tissue → Organ → Organ system → Organism
Iodine solution is used to test for:
A) Protein
B) Fats
C) Starch
D) Sugar
C) Starch
Ribosomes are responsible for:
A) Respiration
B) Protein synthesis
C) Storing waste
D) Digestion
B) Protein synthesis
Benedict’s solution is used to test for:
A) Lipids
B) Reducing sugars
C) Proteins
D) Starch
B) Reducing sugars
Plasmids in bacterial cells are:
A) Protein factories
B) Circular DNA
C) Cell walls
D) Vacuoles
B) Circular DNA
An organism is:
A) A single cell only
B) A part of a tissue
C) A living individual made of systems
D) A collection of molecules
C) A living individual made of systems
The Biuret test is used to detect:
A) Carbohydrates
B) Fats
C) Sugars
D) Proteins
D) Proteins