Practice Questions

TLS Online TPP Program

#Question id: 801

Identify the type of DNA from the structures given below and match the correct form with its characteristics described.

#Part-B Specialized Branches in Biotechnology

(ii) – The more compact A form of DNA has 11 bp per turn and shows a large tilt of the base pairs with respect to the helix axis.
(i) – The B form, which is observed at high humidity, most closely corresponds to the average structure of DNA under physiological conditions.
(iii) – Z DNA is a left-handed helix and has a zigzag (hence “Z”) appearance and has an anti-conformation of glycosyl bond.
(i) – The A form which is observed under low humidity has a structure similar to the structure that RNA adopts when double-helical.

More Questions

TLS Online TPP Program

#Question id: 11629

#Part-A Aptitude & General Biotechnology

Two pure line plants of 46 cm and 10 cm in height cross each other forming F1 progeny 28 cm in height, what is the no. of QTL formed?

TLS Online TPP Program

#Question id: 11454

#Part-B Specialized Branches in Biotechnology

The structure of the mammalian middle ear is adapted to convert ________.

TLS Online TPP Program

#Question id: 12499

#Part-A Aptitude & General Biotechnology

On the basis of the linked marker genotypes II 3 can be told that:

TLS Online TPP Program

#Question id: 18706

#Part-A Aptitude & General Biotechnology

Sources of thermostable DNA polymerases with proofreading (3′–5′ exonuclease) activity are given match them correctly

DNA polymerase Source

a. Tma i. Thermotoga maritima

b. Deep vent tm ii. Pyrococcus furiosus

c. Tli iii. Thermococcus litoralis

d. Pfu iv. Pyrococcus sp

e. Pwo v. Pyrococcus woesi

TLS Online TPP Program

#Question id: 14466

#Part-B Specialized Branches in Biotechnology

Let a number 30 be divided into two parts such that cube of one multiplied with the other is maximum, then the parts are