34719 Intermediate Trivia Questions
34719 public questions at this depth. How many can you answer?
What class of liver-damaging plant toxins is found in ragworts and many other species?
Answer
Pyrrolizidine alkaloids
What toxin found in ginkgo seeds is also called 4'-O-methylpyridoxine?
Answer
Ginkgotoxin
What carcinogenic toxin is found in bracken fern?
Answer
Ptaquiloside
What is the common name of Aethusa cynapium, a poisonous parsley relative?
Answer
Fool's parsley
What poisonous alkaloid group is found in yew trees?
Answer
Taxine
What carcinogenic acid is found in birthworts of the genus Aristolochia?
Answer
aristolochic acid
What cardiac glycoside is found in lily of the valley?
Answer
convallatoxin
Which air base was the site of the first successful official tornado forecast in 1948?
Answer
Tinker Air Force Base
What radar signature uses lofted debris to confirm a tornado is occurring?
Answer
Tornado debris signature
What term describes several tornadoes produced by the same storm cell?
Answer
Tornado family
Which Italian valley is a noted European tornado hotspot?
Answer
Po Valley
Which country has the most annual tornadoes per land area?
Answer
United Kingdom
What Japanese-born meteorologist was nicknamed Mr. Tornado?
Answer
Ted Fujita
Which university employed Ted Fujita during much of his tornado research career?
Answer
University of Chicago
On what date did the Tri-State Tornado occur?
Answer
March 18, 1925
What 1974 tornado outbreak produced 148 confirmed tornadoes across North America?
Answer
1974 Super Outbreak
What radar-detected rotation algorithm is abbreviated TVS?
Answer
Tornadic vortex signature
What enhanced warning phrase was first used during the May 3, 1999 Oklahoma tornado outbreak?
Answer
Tornado emergency
What type of tornado contains several vortices revolving inside the main circulation?
Answer
Multiple-vortex tornado
Which river is the primary inflow to the Dead Sea?
Answer
Jordan River
The Blue Nile begins at which lake in Ethiopia?
Answer
Lake Tana
Which lake is the largest lake entirely in Europe?
Answer
Lake Ladoga
Which lake is the largest natural freshwater lake in Australia?
Answer
Lake Alexandrina
Which lake contains Manitoulin Island, the world's largest lake island?
Answer
Lake Huron