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Large biology quiz

This is primarily for me to study for my finals. You can also use this quiz to study but it isn't organized and doesn't really make sense.
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Aliravittu
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Last updated: May 18, 2026
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First submittedMay 18, 2026
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The process that plants use to convert carbon dioxide, water and sunlight into glucose and oxygen.
Photosynthesis
The production of light in organisms through internal chemical reactions
Bioluminescence
An organism that produces its own energy
Autotroph
An organism that cant process its own energy and has to get it elsewhere
Heterotroph
Metabolic prosess where cells create usable energy
Cellular respiration
The first step of the previous metabolic process
Glycolysis
Second step of the previous process
Citric acid cycle
Third and last step of the previous process
Electron transport chain
Anaerobic metabolic prosess where micro organisms convert carbohydrates into energy and lactic acid
Lactic acid fermentation
A basic microscopic unit of life
Cell
The "command center" of a cell
Nucleus
The "powerhouse" of a cell
Mitochondria
Organelle that translates genetic code into amino acids
Ribosome
Organelle in eukaryotic cells that makes ribosomes. Located in the cells "control center"
Nucleolus
Double membrane barrier in eukaryotic cells "control center" that separates it from the gel-like structure.
Nuclear envelope
The gel-like structure containing organelles and structures. It transports, maintains cells shape, stores macromolecules and acts as a host to metabolic processes.
Cytoplasm
Network of membranes in cells that is studded with the protein making organelles.
Rough endoplasmic reticulum
Network of tubular membranes in a cell lacking the protein making organelles.
Smooth endoplasmic reticulum
Cylindrical organelle found in most eukaryotic cells that are important during cell division.
Centriole
Membrane-bound organelle found in eukaryotic cells expect red blood cells. Capable of breaking down all types of biological polymeres.
Lysosome
Cell organelle located in the cytoplasm responsible for packing and sending proteins and lipids.
Golgi apparatus
The thin structure that holds the shape of all cells. Regulates the entry and exit of nutrients and waste products.
Cell membrane
Long chains of protein monomeres that hold up the cytoskeleton.
Protein filament
Protective outer layer of plant, fungi, algae and most prokaryotic cells. Provides structural support, shape and protection.
Cell wall
The green organelle found in plant and algae cells responsible for photosynthesis.
Chloroplast
Membrane that surrounds the vacuole. Helps managing water regulation and pressure.
Vacuole membrane
Needle-shaped calcium crystals found in many plant cells. Acts as a defense against herbivores.
Raphide crystal
Colorless plastide in plant cells. Synthesizes and stores starches.
Amyloplast
The green pigment in plants, algae and syanobacteria that is crucial for photosynthesis. Part of the chloroplast.
Chlorophyll
Double helix-shaped molecule that holds all the genetic information and instructions of all known organisms. Located in the nucleus and mitochrondria.
DNA
Single stranded nucleic acid present in all living cells acting as an essential intermediate in expressing genetic information.
RNA
Organic polymere that the cell wall consists of. Indigestable for humans.
Cellulose
Structures made of DNA and protein located in the nucleus that carry genetic information.
Chromosome
Alternate version of a specific gene located in the chromosomes locus.
Allele
Alternate version of a gene that masks the effect of a different variant.
Dominant allele
Alternate version of a gene that gets overwritten by the above.
Recessive allele
Part of a chromosome where alleles are located.
Locus
Part of a chromosome that shortens every time mitosis happens.
Telomere
Enzyme that protects the above from shortening. Some lobsters have this enzyme.
Telomerase
Two-step biological process where proteins are made by the instructions of DNA.
Protein synthesis
First step of the above. Genetic code is copied into a portable message. DNA -> mRNA. Happens inside the nucleus.
Transcription
Second step of the process said.Genetic message in decoded and built into a chain of amino acids. mRNA -> Proteins. Happens in the cytoplasm at the ribosome.
Translation
Happens right after transcription. The non-coding parts of the pre-RNA are removed and the coding parts are put together. This results in a complete mRNA
Splicing
The non-coding parts of the pre-RNA
Introns
The coding parts of the pre-RNA
Exons
Enzyme responsible for transcription. It builds the pre-RNA.
RNA-polymerase
Hint
Answer
Unprocessed RNA molecule straight after transcription. No splicing has happened yet.
precursor-RNA
Processed RNA molecule after splicing.
messenger-RNA
Building blocks of nucleic acids containing RNA and DNA.
Nucleotide
Organic molecules that form the informational component of nucleotides. Purines and Pyrimidines connect to eachother.
Nitrogenous bases
A sequence of 3 of the things above in an DNA or mRNA molecule
Codon
A-base. Connects to T-base and the U-base in RNA.
Adenine
T-base. Connects to A-base.
Thymine
G-base. Connects C-base.
Guanine
C-base. Connects to G-base.
Cytosine
U-base. Substituses T-base in RNA molecules.
Urasil
Hormone produced by the thyroid gland. Regulates the bodys basal metabolic rate, body temperature, and cellular growth and development.
Thyroxin
Hormone that stimulates the thyroid gland to produce and release the hormone above.
Thyreotropin
Hormone produced by the hypothalamus. Stimulates uterine contractions during childbirth, triggers milk ejection during breastfeeding, and promotes social bonding, trust, and maternal attachment.
Oxytocin
Hormone produced by the kidneys to stimulate bone marrow to produce erythrocytes
Erythropoietin
Hormone produced by the hypothalamus. Stimulates the kidneys to reabsorb water back into the blood to prevent dehydration and helps regulate blood pressure.
ADH
Hormone produced and by the anterior pituitary gland. Stimulate the growth of ovarian follicles in women and supports sperm production in men.
FSH
Hormone that regulates the development of male reproductive tissues, promoting secondary sexual characteristics like muscle mass and bone density
Testosterone
Hormone that regulates the female reproductive system and promotes the development of secondary sexual characteristics, such as breast growth and hip widening.
Estrogen
Hormone that regulates the body's circadian rhythm by signaling to the body that it is time to sleep in response to darkness.
Melatonin
Hormone that triggers the "fight-or-flight" response by increasing heart rate, blood pressure, and energy availability during stress or danger.
Adrenaline
Hormone that regulates mood, sleep, and appetite.
Serotonin
Hormone that regulates the body's stress response, increases blood sugar through gluconeogenesis, and suppresses inflammation.
Cortisol
Hormone that lowers blood sugar levels by facilitating the uptake of glucose into the body's cells for energy or storage.
Insulin
Hormone that increases blood calcium levels by stimulating its release from bones, increasing absorption in the gut, and reducing its excretion by the kidneys.
PTH
Regulates long-term energy balance by signaling the brain to inhibit hunger and stimulates fat burning when energy stores are sufficient.
Leptin
Hunger hormone.
Ghrelin
Taxonomic ranks
Domain
 
Kingdom
 
Phylum
 
Class
 
Order
 
Family
 
Genus
 
Species
Six kingdoms of life
Archaebacteria
 
Eubacteria
 
Protista
 
Fungi
 
Plantae
 
Animalia
Three domains of life
Bacteria
 
Archaea
 
Eukarya
Two cell classifications
Prokaryota
 
Eukaryota
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