List of top Questions asked in UP Board XII

Transition metals and their maximum compounds are paramagnetic. Explain it.
The spin-only magnetic moment value of \([\mathrm{MnBr}_4]^{2-}\) is \(5.9\,\mathrm{BM}\). What will be the geometry of the complex ion?
In a solution 30 mass percent of benzene is dissolved in carbon tetrachloride. Calculate mole fraction of benzene.
Explain Raoult's Law.
Write the uses of carbon tetrachloride and chloroform.
Best method of preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is
The correct order of increasing acid strength is
Which of the following gives a positive Fehling's solution test?
Oxidation number of cobalt in K[Co(CO)$_4$] is
Compound of which transition metal ion is colourless?
Example of gaseous solution is
Write an essay on search for genetic material.
What do you understand by biodiversity? How can it be preserved?
Write a note on Thalassaemia.
Write a note on Colour blindness.
What is a plasmid? Explain.
Describe the structure of a typical ovule with a diagram.
What is the use of biotechnology in the field of medicine?
Write a note on immunity.
What are antibiotics? What is their importance in human life?
Describe the menstrual cycle with a diagram.
Explain the difference between chemical fertilizer and biofertilizer.
What is plant succession? Explain with an example.
Explain Oparin's theory related to the origin of life.
What is opioid drug? Explain.