The Lorax Trivia
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88 free The Lorax trivia questions with answers — literature quiz, new questions added Oct 2026.
45 free The Lorax trivia questions with answers. The Lorax was Dr. Seuss's own favorite of his books, and the one that made him the most enemies. This quiz covers the 1971 story front to back - the Once-ler, the Thneeds, the Bar-ba-loots and Swomee-Swans, the pile of rocks that says UNLESS and the last Truffula seed - then follows it into the 1972 CBS special and the 2012 Illumination film with Danny DeVito, Zac Efron and Taylor Swift. Along the way you get the odd history around it: the Lake Erie line Seuss cut after scientists wrote to him, the logging industry's rebuttal book, the California town that called it unfair, the Kenyan monkey a study says inspired the Lorax's look, and the marketing blitz that put the tree-hugger on an SUV ad. About a third of the questions are easy enough for kids who know the book by heart; the rest are for parents and Seuss completists. Every answer has been checked against Wikipedia and the sources it cites, and each explanation adds one more thing worth knowing.
30 of 88 questions with answers and explanations. Play the quiz
Q 01The Lorax appeared in 1971, the year after Americans first marked which annual environmental day?
Earth Day
Earth Day was first held in April 1970, so Seuss's book arrived the very next year, just as the modern American environmental movement was taking off.
Q 02Which publisher released The Lorax?
Random House
Random House's Bennett Cerf once bet Seuss that he couldn't write a book using just 50 words, and lost when Green Eggs and Ham appeared.
Q 03Among all of his own books, Dr. Seuss singled out The Lorax as what?
His personal favorite
His personal favorite was The Lorax, the book that loggers later objected to as unfair to their industry.
Q 04In the book, where does the Lorax first appear from?
A fresh tree stump
A fresh tree stump: he pops out of the first tree the Once-ler chops down, which one Seuss scholar reads as a sign that the Lorax is part of the forest itself.
Q 05What does the Once-ler lower to the boy's ear to tell the tale of the Lorax?
A Whisper-ma-Phone
A Whisper-ma-Phone slupps down from the Once-ler's Lerkim because, as he puts it, the secrets he tells are for the boy's ears alone.
Q 06What one word does the Lorax leave behind on a small pile of rocks?
UNLESS
UNLESS puzzles the Once-ler for years, until the boy's visit makes it clear: unless someone like you cares a whole awful lot, nothing is going to get better.
Q 07What does the Once-ler give the boy at the end of The Lorax?
The last Truffula seed
The last Truffula seed comes with orders to plant it, give it clean water and feed it fresh air, so that the Lorax and all of his friends may come back.
Q 08Which made-up word does the Once-ler use for expanding his factory, roads and wagons?
Biggering
Biggering is his word for it: he biggers his factory, his roads, his wagons and his loads, and keeps on biggering until the very last tree has been chopped down.
Q 09Which Great Lake was named in a line about dirty water that Seuss later cut from The Lorax?
Lake Erie
Lake Erie was the butt of the line until people from the Ohio Sea Grant program wrote to Seuss about how far the cleanup had come, and he cut it some 14 years after publication.
Q 10In The Lorax, what leftover goo from the Thneed factory gums up the Humming-Fish's gills?
Gluppity-Glupp
Gluppity-Glupp, along with Schloppity-Schlopp, gets dumped in the pond where the Humming-Fish hummed, gumming their gills until the Lorax has to send them away.
Q 11What is the title of the logging industry's answer to The Lorax, told from a logger's point of view?
Truax
Truax is a logger who harvests trees for ball bats and houses; oak flooring makers funded the booklet, which casts its tree defender, the Guardbark, as a creature that throws tantrums.
Q 12A 2018 study suggested the Lorax's appearance was inspired by which African animal?
The patas monkey
The patas monkey may have been the model: it lives off Kenya's whistling thorn acacia, and face-matching software paired the Lorax with it more closely than with an earlier Seuss creature.
Q 13What kind of tree near Seuss's La Jolla home is said to have inspired the story's tufted trees?
A Monterey cypress
Q 21How does the Lorax leave after the last Truffula tree falls?
By the seat of his pants
By the seat of his pants, the Lorax hoists himself up and away with one sad backward glance and not a word; the Once-ler says he never forgot the grim look he wore.
Q 22The 1972 Lorax special was narrated by Eddie Albert, the star of which 1960s rural sitcom?
Green Acres
Green Acres cast him as a Park Avenue lawyer who flees to a farm, and he lived the part: a campaigner against DDT, he turned the front yard of his Los Angeles home into a cornfield.
Q 23Thurl Ravenscroft, a bass singer in the 1972 Lorax special, was for decades the voice of which cereal mascot?
Tony the Tiger
A Monterey cypress in a seaside La Jolla park is said to have been the model; thought to be 80 to 100 years old, the lone tree toppled in June 2019.
Q 14In 1989, a logging town in which state tried to pull The Lorax from its second-grade reading list?
California
California's Laytonville was the town: a logging-supplies dealer campaigned against the book after his second-grader took its lesson to heart, but the school board voted to keep it.
Q 15Which word completes the Lorax's line 'I speak for the trees, for the trees have no ...'?
tongues
Tongues is the word, chosen to rhyme with the next line, in which he asks the Once-ler at the top of his lungs what he has made out of a Truffula tuft.
Q 16How does the Once-ler expand his knitting business?
He brings in his relatives
He brings in his relatives with one radio-phone call, summoning brothers, uncles and aunts to knit Thneeds, and every one of them drives off the moment the last tree falls.
Q 17Why do the Brown Bar-ba-loots have to leave the valley?
They are hungry
They are hungry: with too little Truffula Fruit to go round, the Bar-ba-loots get what the Lorax calls the crummies in their tummies, and he sends them off to find food.
Q 18What must the boy pay the Once-ler?
Fifteen cents, a nail and a snail shell
Fifteen cents, a nail and a snail shell, and not just any shell: it must come from a great-great-great-grandfather snail, all tossed into a tin pail he lowers on a rope.
Q 19The studio behind the 1972 Lorax TV special also created which cartoon character?
The Pink Panther
The Pink Panther made DePatie-Freleng's name: hired to animate the 1963 film's opening titles, the studio spun the cat into his own cartoons before turning to Dr. Seuss specials.
Q 20In The Lorax, Truffula tufts have the sweet smell of fresh what?
Butterfly milk
Butterfly milk is the Once-ler's phrase for it, right after he calls the tufts softer than silk; the 2012 film keeps the line, then has its young hero ask what that even means.
Tony the Tiger's 'They're g-r-r-reat!' was his for some fifty years; he also sang 'You're a Mean One, Mr. Grinch' but went uncredited, so many viewers assumed the singer was Boris Karloff.
Q 24Chris Renaud, director of the 2012 Lorax film, had earlier co-directed which animated hit?
Despicable Me
Despicable Me came out two years earlier, and the Lorax film was sold with the line 'From the creators of Despicable Me'; Renaud also voices its assorted forest animals.
Q 25Which animation studio made the 2012 Lorax film?
Illumination
Illumination was then a young studio on only its third feature, a year after its Easter Bunny comedy Hop, and its founder Chris Meledandri produced the film himself.
Q 26The 2012 Lorax film's writers had already scripted which other big-screen Dr. Seuss adaptation?
Horton Hears a Who!
Horton Hears a Who! was also written by Ken Daurio and Cinco Paul, four years earlier, and NPR's critic called it the much better Seuss feature of the two.
Q 27In The Lorax, why can the Swomee-Swans no longer sing?
Smog in their throats
Smog in their throats silences them, so the Lorax sends the whole flock away, warning that they may have to fly for a month or a year to find clean air.
Q 28Which actor re-recorded the Lorax's voice himself for the 2012 film's Spanish, Italian, German and Russian dubs?
Danny DeVito
Danny DeVito speaks none of those languages, so he learned every line phonetically with two native coaches per language; the idea was his own, floated on a call with the producer.
Q 29Zac Efron voices which character in the 2012 Lorax film?
Ted
Ted is named after Theodor Geisel, the man behind the Dr. Seuss pen name, as the film's producer confirmed when an interviewer asked him.
Q 30Which pop star voices Audrey in the 2012 Lorax film?
Taylor Swift
Taylor Swift voices Audrey, who paints Truffula trees so vividly that the young hero sets off to find one, less out of love for nature than to impress her.