Online quizzes on chemisty and biology

Quizzes or online chemistry quiz and biology quiz for 9, 10, 11, and 12 grade or high school science students to help in exams like NEET, KVPY. These biology and chemistry test questions answer sets covered general topics to grow the knowledge of such topics. Therefore, start these free learning chemistry or biology quizzes below to test your knowledge.

Quizzes online on chemistry and biology

Online chemistry quiz

Chemistry Quiz 1

The element platinum belongs to the block

Quantum numbers set of the 19th electron of chromium

Why ideal gas cannot be liquefied?

Effective nuclear charge of potassium ion

What is the SI units of Van der Waals constant b?

How many geometric isomers are possible in butene?

IUPAC name of CH3CH2C(CH3) = CH2

The correct order of energy of 2s orbitals in H, Li, Na, and K

The hybridization of xenon atom in XeF4

The formal oxidation number of Cr and Cl in the ions Cr2O7-2 and ClO3- are

Chemistry Quizzes

Online biology quiz

Biology Quiz 1

Anoxia is caused by

Amino acids obtained from

What is the role of hemoglobin in blood?

Which of the following molecules is a secondary metabolite?

Lecithin is a

The potential of pure water at standard temperature and atmospheric pressure is

Action potential in neurons is generated by a rapid influx of

Erythropoietin is produced by

Tendrils are modifications of

Which of the following proteins does not play a role in skeletal muscle construction?

Biology Quizzes

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Atomic number electron configuration of f block elements Lanthanides in periodic table

f block Elements

f block elements on periodic table f block elements appear in two chemical series like 4f block names as lanthanides or rare earth elements and...

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Polarimetry principle and instrumentation in potentiometer for measure optical rotation in organic chemistry


What is polarimetry? Polarimetry in analytical chemistry is a method for measuring the rotatory power of a substance by the instrument polarimeter. Many transparent non-symmetrical...