WorksheetsSurvey Biology Chap 1-6
Total questions: 79
Worksheet time: 40mins
Which of the following represents the correct sequence of biological organization from smallest to largest?
Molecule → Atom → Cell → Tissue → Organ → Organism
Atom → Molecule → Macromolecule → Organelle → Cell → Tissue → Organ → Organ System → Organism
Atom → Organelle → Molecule → Cell → Tissue → Organ → Organism
Molecule → Atom → Organelle → Cell → Organ → Organism
At which level of organization does life first appear?
Molecule
Organelle
Cell
Tissue
Which level of organization includes all living and non-living components in a particular area?
Community
Ecosystem
Population
Biosphere
Why is studying biology important for healthcare professionals?
It helps understand the chemical properties of elements.
It explains the structure and function of living organisms.
It focuses only on plant life.
It eliminates the need for clinical practice.
Which of the following best describes biology?
The study of rocks and minerals
The science of life and living organisms
The study of chemical reactions only
The study of celestial bodies
How does biology contribute to solving global challenges?
By providing entertainment
By explaining historical events
Through advancements in medicine, agriculture, and environmental conservation
By focusing only on human anatomy
Which macromolecule is composed of monosaccharide monomers?
Proteins
Carbohydrates
Lipids
Nucleic acids
What is the monomer of nucleic acids?
Amino acids
Nucleotides
Fatty acids
Monosaccharides
Which macromolecule is primarily responsible for catalyzing biochemical reactions?
Lipids
Proteins
Carbohydrates
Nucleic acids
Lipids are made up of which components?
Monosaccharides
Fatty acids and glycerol
Amino acids
Nucleotides
Which macromolecule stores genetic information?
Carbohydrates
Lipids
Nucleic acids
Proteins
Lactase breaks down which disaccharide?
Maltose
Lactose
Sucrose
Glucose
In a lactase activity test, which result indicates lactase is functioning?
Increase in lactose concentration
Increase in glucose concentration
Decrease in glucose concentration
No change in lactose concentration
Why is lactase testing clinically important?
It measures blood sugar levels
It diagnoses lactose intolerance
Which type of macromolecule is lactase?
Carbohydrate
Lipid
Protein
Nucleic acid
What happens when lactase is absent or deficient?
Lactose is digested normally
Lactose remains undigested, causing gastrointestinal symptoms
Glucose levels increase rapidly
Protein synthesis stops
Which of the following is found in eukaryotic cells but not in prokaryotic cells?
Ribosomes
Nucleus
Plasma membrane
DNA
True or False: Prokaryotic cells are generally smaller and simpler than eukaryotic cells.
True
False
Which domains contain prokaryotic organisms?
Bacteria and Archaea
Archaea and Eukarya
Bacteria and Eukarya
Eukarya only
Which organelle is present in plant cells but absent in animal cells?
Mitochondria
Chloroplast
Ribosome
Nucleus
Which structure provides rigidity and protection to plant cells?
Plasma membrane
Cell wall
Cytoplasm
Vacuole
Which organelle is larger and more prominent in plant cells compared to animal cells?
Nucleus
Vacuole
Ribosome
Golgi apparatus
What is the primary function of mitochondria?
Protein synthesis
Energy production (ATP)
Photosynthesis
Lipid storage
Which organelle is responsible for packaging and modifying proteins?
Ribosome
Golgi apparatus
Endoplasmic reticulum
Lysosome
Which organelle contains digestive enzymes to break down waste?
Lysosome
Ribosome
Vacuole
Nucleus
Which organelle is the site of photosynthesis?
Mitochondria
Chloroplast
Ribosome
Golgi apparatus
Which feature is common to both plant and animal cells?
Chloroplast
Cell wall
Mitochondria
Large central vacuole
Which structure is unique to animal cells?
Centrioles
Cell wall
Chloroplast
Large vacuole
Which organelle is found in all cells (prokaryotic and eukaryotic)?
Nucleus
Ribosome
Golgi apparatus
Chloroplast
Which organelle is responsible for detoxifying harmful substances in eukaryotic cells?
Smooth ER
Rough ER
Lysosome
Golgi apparatus
Which structure controls what enters and exits the cell?
Cell wall
Plasma membrane
Cytoplasm
Nucleus
What is the main structural component of the cell membrane?
Proteins
Phospholipids
Carbohydrates
Why is the cell membrane described as a “fluid mosaic”?
It is rigid and unchanging
It contains moving proteins and lipids within the bilayer
It is made only of proteins
It is impermeable to all substances
Which process requires energy (ATP)?
Diffusion
Osmosis
Facilitated diffusion
Active transport
Which of the following is an example of passive transport?
Sodium-potassium pump
Endocytosis
Diffusion of oxygen into a cell
Exocytosis
Facilitated diffusion differs from simple diffusion because:
It requires ATP
It uses transport proteins
It moves substances against the gradient
It only occurs in plant cells
Osmosis refers to:
Movement of solutes across a membrane
Movement of water across a selectively permeable membrane
Active transport of ions
Movement of glucose into cells
A cell placed in a hypertonic solution will:
Swell
Shrink
Stay the same
Burst
Which solution has the same solute concentration as the cell?
Hypertonic
Hypotonic
Isotonic
None of the above
If a cell with 10% solute is placed in a solution with 20% solute, water will:
Move into the cell
Move out of the cell
Not move
Move both ways equally
If a plant cell is placed in a hypotonic solution, what happens?
It shrinks
It becomes turgid
It bursts
It stays the same
Which condition causes animal cells to lyse (burst)?
Hypertonic solution
Hypotonic solution
Isotonic solution
None of the above
Predict what happens if a red blood cell is placed in distilled water:
It shrinks
It swells and bursts
It stays the same
It becomes turgid
Which solution would cause plasmolysis in plant cells?
Hypotonic
Isotonic
Hypertonic
None of the above
Why does osmosis occur?
Because water moves toward higher water concentration
Because water moves toward higher solute concentration
Because solutes move freely across membranes
Because ATP is used
How are photosynthesis and cellular respiration related?
They are completely independent processes
They are inverse processes in terms of energy and reactants/products
They both produce glucose
They both consume oxygen
Which of the following is a product of photosynthesis and a reactant in cellular respiration?
Carbon dioxide
Oxygen
ATP
NADH
Which molecule is produced during photosynthesis and broken down during cellular respiration?
Glucose
ATP
NADH
Pyruvate
Which process is anabolic and which is catabolic?
Photosynthesis is catabolic; cellular respiration is anabolic
Both are anabolic
Photosynthesis is anabolic; cellular respiration is catabolic
Both are catabolic
What is the main energy molecule produced by cellular respiration?
Glucose
ATP
NADPH
Oxygen
Which organelle is involved in photosynthesis and which in cellular respiration?
Chloroplast for photosynthesis; mitochondria for cellular respiration
Mitochondria for both
Chloroplast for both
Ribosome for photosynthesis; mitochondria for cellular respiration
Which of the following best describes the energy flow between these processes?
Photosynthesis converts light energy into chemical energy; respiration releases chemical energy as ATP
Photosynthesis releases energy; respiration stores energy
Both processes release energy
Both processes store energy
What gas is consumed during cellular respiration and produced during photosynthesis?
Carbon dioxide
Oxygen
Nitrogen
Hydrogen
Which statement correctly compares ATP production in photosynthesis and cellular respiration?
Photosynthesis produces more ATP than respiration
Respiration produces more ATP than photosynthesis
Both produce equal ATP
Neither produces ATP
Why are photosynthesis and cellular respiration considered complementary processes?
They occur in the same organelle
The products of one are the reactants of the other
They both require sunlight
They both produce carbon dioxide
Which statement correctly describes the relationship between photosynthesis and cellular respiration?
Both processes produce glucose
Photosynthesis stores energy, cellular respiration releases energy
Both processes occur in mitochondria
Both processes require oxygen
Which of the following is a reactant in photosynthesis and a product of cellular respiration?
Oxygen
Carbon dioxide
Glucose
ATP
Which organelle is involved in photosynthesis and which in cellular respiration?
Chloroplast for photosynthesis; mitochondria for cellular respiration
Mitochondria for both
Chloroplast for both
Ribosome for photosynthesis; mitochondria for cellular respiration
Which process is anabolic and which is catabolic?
Photosynthesis is catabolic; cellular respiration is anabolic
Both are anabolic
Photosynthesis is anabolic; cellular respiration is catabolic
Both are catabolic
Which statement best compares ATP production in photosynthesis and cellular respiration?
Photosynthesis produces more ATP than respiration
Respiration produces more ATP than photosynthesis
Both produce equal ATP
Neither produces ATP
Which of the following organisms is an autotroph?
Human
Mushroom
Oak tree
Dog
Which statement correctly describes heterotrophs?
They produce their own food using sunlight
They rely on consuming other organisms for energy
They store energy in chloroplasts
They convert CO2 into glucose
Which of the following is true about autotrophs and heterotrophs?
Both require sunlight to survive
Autotrophs make their own food; heterotrophs consume food
Both produce glucose through photosynthesis
Both store energy in chloroplasts
Which type of organism performs cellular respiration?
Autotrophs only
Heterotrophs only
Both autotrophs and heterotrophs
Neither
Why are autotrophs considered “producers” in ecosystems?
They consume other organisms
They produce oxygen and organic molecules
They store energy in ATP
They break down glucose
Which statement correctly describes the relationship between DNA, genes, and chromosomes?
Genes are made of chromosomes, which are made of DNA
Chromosomes are made of DNA, which contains genes
DNA is made of genes, which contain chromosomes
Genes and chromosomes are unrelated
Which molecule carries genetic information?
RNA
DNA
Protein
Lipid
What are homologous chromosomes?
Identical copies of the same chromosome
Chromosomes that carry the same genes but may have different alleles
Chromosomes found only in prokaryotes
Chromosomes that are completely unrelated
How many homologous pairs are found in human somatic cells?
23
46
22
44
Which stage of the cell cycle involves DNA replication?
G1 phase
S phase
G2 phase
M phase
What happens during G1 phase?
DNA replication
Cell growth and normal functions
Chromosome separation
Cytokinesis
Which phase includes mitosis and cytokinesis?
Interphase
M phase
S phase
G2 phase
During which phase do chromosomes align at the center of the cell?
Prophase
Metaphase
Anaphase
Telophase
Which phase involves the separation of sister chromatids?
Prophase
Metaphase
Anaphase
Telophase
What occurs during telophase?
Chromosomes condense
Nuclear envelopes reform
Chromosomes align at the equator
Spindle fibers attach to centromeres
Which phase is characterized by the condensation of chromatin into visible chromosomes?
Prophase
Metaphase
Anaphase
Telophase
Which organelle is the site of photosynthesis in plant cells?
Endoplasmic reticulum
Golgi apparatus
Chloroplast
Mitochondria
What is the function of ribosomes in a cell?
Energy production
Protein synthesis
Lipid breakdown
DNA storage
Which structure regulates the movement of substances into and out of the cell?
Cell wall
Vacuole
Nucleus
Plasma membrane
