Practice Questions

TLS Online TPP Program

#Question id: 4413

Which of the following is true about TFIID?

#Unit 3. Fundamental Processes

It helps to wind DNA and has phosphatase activity
It has both acetylase acitivty and phosphatase activity
It acetylates histones
It recruits RNA polymerase II to promoter region by binding to DNA elements such as TATA box

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TLS Online TPP Program

#Question id: 14687

#Unit 13. Methods in Biology

Find the probability of drawing one rupee coin from a purse with two compartments one of which contains 3 fifty paisa coins and 2 one-rupee coins and the other contains 2 fifty paisa coins and 3 one rupee coins.

TLS Online TPP Program

#Question id: 14688

#Unit 13. Methods in Biology

If A and B are two events such that

= 1/ 2 then the events A and B are

TLS Online TPP Program

#Question id: 14689

#Unit 13. Methods in Biology

A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that value of the determinant chosen is

TLS Online TPP Program

#Question id: 14690

#Unit 13. Methods in Biology

One hundred identical coins each with probability p of showing up heads are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equal to that of the heads showing in 51 coins, then the value of p is

TLS Online TPP Program

#Question id: 14691

#Unit 13. Methods in Biology

In a shooting competition, the probability of hitting the target by A is 2/5, by B is 2/3 and by C is 3/5. If all of them fire independently at the same target, calculate the probability that only one of them will hit the target.

TLS Online TPP Program

#Question id: 14692

#Unit 13. Methods in Biology

A box contains 6 white balls and 3 black balls and another box contains 4 white balls and 5 black balls. The probability that a ball selected from one of the box again selected at random is a white ball.