Hii, i am here to help you according to your query.First of all interviewers are very friendly and will help u with hints of u get stuck!

Here is a list of questions asked to me in JTST interview 2017

General

Your name √

Your school √

Your hobby? {Music} √

Who is the recent classical singer who died recently. *

Tell me na!es of some classical singers *

What is your fathers profession? √

What are your future plans? {Research in Physics} √

Physics

Describe Ohm’s law

Is ohm's applicable for semiconductors? Explain √

Draw a graph for variation resistance of semiconductor vs temperature √

What type of bonding do u see in semiconductor? √

If covalent bonding is in semiconductor then how do they carry electricity in the absence of free electrons? √

What is p type and n type semiconductor? *

What are LEDs? √

Explain the functioning of diodes. *

What is the difference between EMF and potential Difference? √

What is the relationship between flow of current and flow of current?..√ (cont. Is current the flow of positive charge? Ans is no √)

Chemistry

Write the formulae for bohrs 1st radius √

Compare the Bohr radius of 1st orbit of H and 1st orbit of He+ qualitatively and quantitatively √

What are quantum mechanics? √

How many types of quantum numbers are there? √

What would happen to periodic table if there would have been 3 spin quantum numbers ? √

Mathematics

What is the perfect defination of straight line? *

Write an equation of straight line √

Plot it by y=mx+c form √

How will u compare a point to be above or below this line? √

How will you compare two points to be in same side or in opposite side of a line? √

What is the difference between a spiral (2D helix) & a straight line √

Biology {Told them it's not my subject}

What is your favourite topic? {Genetics} √

What is an allele? √

How many alleles are possible? {Partial √}

Give an example where 3 allele is possible √

Is 1 allele possible *

What is haploid,diploid,triploid √

What is polyploid? Is more than 3 allele possible? √

The interview lasted for 30min with professors of

Calcutta University Physics HOD

IISER Kolkata chemistry faculty

JBNSTS Biology faculty

IIT Kharagpur maths faculty (most probably)

“√” representative is could answer the questions

“*” Represents I couldnt answer the questions

“Partial √” means I could answer the questions after hint

Hope this helps!!