Which of the following enzymes hydrolyzes the internal phosphodiester bonds in a polynucleotide chain?

Four cards are drawn at random from a pack of playing cards. The probability of getting exactly two cards from the same suit and the remaining two cards from two different suits is

Breeding of crops with high levels of minerals,vitamins,and proteins is called:

Two identical bodies are made of a material for which the heat capacity increases with temperature. One of these is held at a temperature of $100^{\circ} C$,while the other one is kept at $0^{\circ} C$. If the two are brought into contact,then assuming no heat loss to the environment,the final temperature that they will reach is

Product $(X)$ is

Which of the following is not correct?