Which bacterium is the most abundant photosynthetic organism in the oceans?
Answer
Prochlorococcus
89724 Intermediate Trivia Questions
89724 public questions at this depth. How many can you answer?
Which bacterium fixes nitrogen in root nodules of legumes such as peas and clover?
Answer
Rhizobium leguminosarum
Which bacterium causes meningococcal meningitis and can also cause bloodstream infections?
Answer
Neisseria meningitidis
Which bacterium causes crown gall disease in plants and transfers DNA into plant cells?
Answer
Agrobacterium tumefaciens
Which bacterium produces the enzyme used in PCR, a technique that amplifies DNA?
Answer
Thermus aquaticus
Which bacterium is used to produce Swiss-type cheese flavor and its characteristic holes?
Answer
Propionibacterium freudenreichii
From which Kennedy Space Center launch complex did SpaceX launch Crew Dragon Demo-2 in May 2020?
Answer
Launch Complex 39A
Who commanded SpaceX’s Inspiration4 mission in September 2021?
Answer
Jared Isaacman
Which private company built the Dream Chaser spaceplane for cargo missions?
Answer
Sierra Space
Which company operated the first private lunar lander to complete a soft landing on the Moon?
Answer
Intuitive Machines
What is the name of the spacecraft that carried NASA astronauts on the first commercial crewed orbital flight?
Answer
Crew Dragon Endeavour
Who commanded Axiom Mission 1, the first privately operated crew mission to the International Space Station?
Answer
Michael López-Alegría
Which mineral is the chief ore of tin, with the chemical formula SnO₂?
Answer
Cassiterite
Which mineral is the main ore of chromium?
Answer
Chromite
Which sedimentary rock consists mainly of rounded gravel-sized clasts?
Answer
Conglomerate
Which mineral is the most common natural magnetic mineral?
Answer
Magnetite
What is the name of the process in which minerals crystallize from cooling magma?
Answer
Crystallization
Which mineral is the main ore of zinc and has the chemical formula ZnS?
Answer
Sphalerite
In Gregor Mendel’s pea-plant experiments, which type of inheritance did his results establish as a mathematical pattern?
Answer
Particulate inheritance
What is the Persian stew of herbs, kidney beans, dried limes, and meat called?
Answer
Ghormeh sabzi