Hard Nature Questions
66 questionsTest your knowledge with 66 hard nature trivia questions. Each question includes multiple choice options and the correct answer.
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Which of the following liquids is least viscous? Assume temperature is 25°C.
The correct answer is A. Acetone
What is isobutylphenylpropanoic acid more commonly known as?
The correct answer is B. Ibuprofen
What causes the sound of a heartbeat?
The correct answer is B. Closure of the heart valves
Which of the following plastic is commonly used for window frames, gutters and drain pipes?
The correct answer is D. Polyvinylchloride (PVC)
Which horizon in a soil profile consists of bedrock?
The correct answer is D. R
The word "science" stems from the word "scire" meaning what?
The correct answer is B. To know
Which of these chemical compounds is NOT found in gastric acid?
The correct answer is D. Sulfuric acid
What is the molecular formula of Glucose?
The correct answer is B. C6H12O6
An organic compound is considered an alcohol if it has what functional group?
The correct answer is D. Hydroxyl
Which of the following is considered classical conditioning?
The correct answer is B. Pavlov's dog experiments
How many objects are equivalent to one mole?
The correct answer is D. 6.022 x 10^23
Which of the following elements is typically used in the doping of the semiconductor silicon?
The correct answer is A. Boron
Which is not a type of neuron?
The correct answer is C. Perceptual Neuron
What is the molecular formula of Ozone?
The correct answer is C. O3
Which of the following are cells of the adaptive immune system?
The correct answer is A. Cytotoxic T cells
Autosomal-dominant Compelling Helio-Ophthalmic Outburst syndrome is the need to do what when seeing the Sun?
The correct answer is C. Sneeze
In quantum physics, which of these theorised sub-atomic particles has yet to be observed?
The correct answer is B. Graviton
All of the following human genetic haplogroup names are shared between Y-chromosome and mitochondrial DNA haplogroups EXCEPT:
The correct answer is D. Haplogroup U
The Western Lowland Gorilla is scientifically know as?
The correct answer is D. Gorilla Gorilla Gorilla
If you planted the seeds of Quercus robur what would grow?
The correct answer is C. Trees
Which of these is a stop codon in DNA?
The correct answer is D. TAA
What physics principle relates the net electric flux out of a closed surface to the charge enclosed by that surface?
The correct answer is D. Gauss's Law
What is the name for the auditory illusion of a note that seems to be rising infinitely?
The correct answer is D. Shepard Tone
What is the same in Celsius and Fahrenheit?
The correct answer is B. -40
How many protons are in an oxygen atom?
The correct answer is A. Eight
Muscle fiber is constructed of bundles small long organelles called what?
The correct answer is D. Myofibrils
Which of the following is a major muscle of the back?
The correct answer is B. Trapezius
What is the scientific name of the knee cap?
The correct answer is C. Patella
What was the first organic compound to be synthesized from inorganic compounds?
The correct answer is D. Urea
In physics, conservation of energy and conservation of momentum are both consequences of which of the following?
The correct answer is C. Noether's Theorem
Folic acid is the synthetic form of which vitamin?
The correct answer is B. Vitamin B
Which of the following is NOT a real element?
The correct answer is D. Vitrainium
Which is the chemical name of H2O?
The correct answer is C. Dihydrogen Monoxide
What common name is given to the medial condition, tibial stress syndrome (MTSS)?
The correct answer is C. Shin Splints
What element on the periodic table has 92 electrons?
The correct answer is D. Uranium
Where is the Gluteus Maximus muscle located?
The correct answer is B. Butt
The 'Islets of Langerhans' is found in which human organ?
The correct answer is D. Pancreas
What is "Stenoma"?
The correct answer is B. A genus of moths
What nucleotide pairs with guanine?
The correct answer is B. Cytosine
Which scientific unit is named after an Italian nobleman?
The correct answer is D. Volt
What is the unit of electrical inductance?
The correct answer is B. Henry
In the Scoville scale, what is the hottest chemical?
The correct answer is C. Resiniferatoxin
How many legs is it biologically impossible for a centipede to have?
The correct answer is A. 100
On the Beaufort Scale of wind force, what wind name is given to number 8?
The correct answer is B. Gale
Which of the following is NOT a word used to describe an earthquake?
The correct answer is A. Drop-slide
What is the scientific name of the red fox?
The correct answer is C. Vulpes Vulpes
Burning which of these metals will produce a bright white flame?
The correct answer is D. Magnesium
Which constellation contains the center of the Milky Way?
The correct answer is C. Sagittarius
What does the term "isolation" refer to in microbiology?
The correct answer is D. The separation of a strain from a natural, mixed population of living microbes
What is the scientific name for the extinct hominin known as "Lucy"?
The correct answer is A. Australopithecus Afarensis