List of practice Questions

A substance intentionally added that affects the nature and quality of food is called _____.

The carbonic anhydrases form a family of enzymes that catalyze the interconversion between carbon dioxide and water and the dissociated ions of carbonic acid. Want to know a famous achievement of these enzymes? Check out this question.The fastest acting enzyme in the biological kingdom is:

Why is it important to have iodized salt in our diet?

A spherical balloon of radius $a$ is charged. The energy density in the electric field at point $P$ shown in the figure given below is $W$. If the balloon is inflated to a radius $b$ without altering its charge, what is the energy density at $P$?

The iron blade has a ring in which the wooden handle is fixed. The ring is slightly smaller in size than a wooden handle. The ring is heated. When the ring cools, it ______________ and tightly fits on the handle.

Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is:

Abnormal fall in the total count of WBCs in human blood is called:

Sucrose is also called as ____.

Which of the following statement is incorrect?

In which plants mechanical tissue is best developed?

Which of the following statements about digestive processes is true?

In the population of a species, chances of the spreading of a mutant gene increases when it is:

Which of the following part of the human brain is also called the emotional brain?

Which of the following enzymes is secreted by the urinary bladder?

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

In a family, a man with hemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the gene but does not express the disorder. What is the probability that their son will have hemophilia ?

Bond present between two nucleotides on single strand of DNA is

What is genomics?

Which of the following techniques is commonly used to introduce herbicide resistance into plants ?

If $\underset{x\to \mathrm{\infty }}{lim}(\frac{x^2+x+1}{x+1}-px-q)=-3$, then $p$ and $q$ is:

The value of $\frac{d}{dx}{x}^{2x}=$

If we assume that one-sixth the mass of an atom of ${}^{12}C$ isotope is taken as the reference, the mass of one molecule of oxygen will:

Which of the following elements is colourless?