Practice Questions

TLS Online TPP Program

#Question id: 756

The thermal denaturation of DNA may be reversed by cooling the solution. Rapid cooling allows:

#Part-A Aptitude & General Biotechnology

the formation of local regions of dsDNA, formed by the base pairing of short regions of complementarity within or between DNA strands
the wholly complementary DNA strands to find each other.
Completely double helix formation
All of the above are correct.

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TLS Online TPP Program

#Question id: 11857

#Part-A Aptitude & General Biotechnology

Find the least number which when divided by 5 , 7 , 11 leaves reminders 1 , 2 , 3 respectively.

TLS Online TPP Program

#Question id: 11858

#Part-A Aptitude & General Biotechnology

A, B and C start at the same time in the same direction to run around a circular stadium . A completes a round in 252 seconds , B in 308 seconds and C in 198 seconds all starting at the same point . After what time will they meet again at the starting point ?

TLS Online TPP Program

#Question id: 11859

#Part-A Aptitude & General Biotechnology

Six bells commence tolling together and toll at intervals of 2,4,6,8,10,and 12 seconds respectively . In 30 minutes , how many times do they toll together ?

TLS Online TPP Program

#Question id: 11860

#Part-A Aptitude & General Biotechnology

The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?

TLS Online TPP Program

#Question id: 11861

#Part-A Aptitude & General Biotechnology

Four metal rods of lengths 78 cm , 104 cm , 117 cm and 169 cm are to be cut into parts of equal length. Each part must be as long as possible . What is the maximum number of pieces that can be cut ?