WorksheetsScience quiz 2020-21
Total questions: 10
Worksheet time: 2mins
In which reaction does the treatment of amide with bromine and alkali gives a primary amine?
Bargellini reaction
Favorskii rearrangement
Hofmann reaction
Pinacol rearrangement
Which formula represents the relative ratios of different atoms in a compound?
General formula
Structural formula
Molecular formula
Empirical formula
What is the phenomenon of Raman scattering, named after Indian physicist C.V. Raman?
the statistical distribution of meteorite impacts
effects of cloud layers on radio emissions
the motion of atoms in the ionized gas
change of wavelength of deflected light
What material emits light when exposed to radiation?
Melanophore
Alexandrite
Phosphor
Chromophore
Who is the author of "The Accidental Prime Minister: The Making and Unmaking of Manmohan Singh" book?
Sanjay Baru
Chetan Bhagat
Robert
None of these
Which one of the following is the infective stage of the Malarial parasite?
Trophozoites
Sporozoite
Schigozoite
Sporoblast
Aflatoxins are produced by
fungi
bacteria
algae
viruses
Cyanide poisoning causes death in seconds because
it causes lysis of red blood cells
it denatures enzymes of the heart/muscle
it breaks the electron transport chain
it causes cardiac arrest
The Emirates Mars Mission "................................" will be the first probe to provide a complete picture of the Martian atmosphere and its layers when it reaches the red planet’s orbit in 2021.
Chandrayan
Perseverance Rover
Hope Probe
Mars 96
The scientist who got Nobel prize in Chemistry “for the development of a method for genome editing” in 2020
Roger Penrose
Reinhard Genzel
Andrea Ghez
Emmanuelle Charpentier
