TLS Online TPP Program

#Question id: 18842


Which of the following is in the correct order regarding DNA extraction 

#Unit 13. Methods in Biology
  1. RNAase treatment->Protease treatment->Cell lysis-> ethanol precipitation 
  2. Cell lysis->phenol treatment->RNAase treatment-> ethanol precipitation 
  3. Cell lysis->RNAase treatment ->protease treatment-> ethanol precipitation 
  4. Cell lysis->phenol treatment ->protease treatment-> ethanol precipitation
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TLS Online TPP Program

#Question id: 7566

#General Aptitude

A car during its journey travels 30 minutes at a speed of 40 kmph, another 45 minutes at a speed of 60 kmph, and 2 hours at a speed of 70 kmph.The average speed of the car is

TLS Online TPP Program

#Question id: 7567

#General Aptitude

The Delhi Express runs @ 144 kilometers per hours and it reaches destination 20 minute ahead of schedule. If it averages 100 km/hour, it reaches 24 minute behind schedule. What is the average speed it should maintain in order to reach the destination on schedule?

TLS Online TPP Program

#Question id: 7568

#General Aptitude

Two stations P and Q are 110 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?

TLS Online TPP Program

#Question id: 7569

#General Aptitude

Yana and Gupta leave points x and y towards y and x respectively simultaneously and travel in the same route. After meeting each other on the way, Yana takes 4 hours to reach her destination, while Gupta takes 9 hours to reach his destination. If the speed of Yana is 48 km/hr, what is the speed of Gupta?

TLS Online TPP Program

#Question id: 7570

#General Aptitude

Every Sunday, Giri jogs 3 miles. For the rest of the week, each day he jogs 1 mile more than the previous day. How many miles does giri jog in 2 weeks?

TLS Online TPP Program

#Question id: 7571

#General Aptitude

A train overtakes two persons walking along a railway track. The first person walks at 4.5 km/hr and the other walks at 5.4 km/hr. The train needs 8.4 and 8.5 seconds respectively to overtake them. What is the speed of the train if both the persons are walking in the same direction as the train?