The rise of blood sugar above the normal level is known as

In which of the following,ortho/para substitution by an electrophile is very facile?

It is now possible to breed plants and animals with desired characters through

The area bounded by the curves $y = x(x - 3)^2$ and $y = x$ is (in sq. units) :

In which of the following is the notochord present in the embryonic stage?

$A$ block of mass $m$ is at rest on another block of the same mass as shown in the figure. The lower block is attached to a spring. What is the maximum amplitude of motion so that both blocks remain in contact?