List of practice Questions

Nephrons are connected with ______.

The black pigment in the eye which reduces the internal reflection is located in:

Did you know haemoglobin has the quaternary structure of a protein? But why? Attempt this question to get the answer.The major reason behind some proteins having quaternary structure is:

Coenzymes are small molecules that enhance the action of an enzyme. Do you know that Vitamins act as coenzymes? Attempt this question to enhance your knowledge.Which one of the following is a coenzyme?

If benzene in solution containing 30% by mass in carbon tetrachloride, calculate the mole fraction of benzene.

In the presence of a catalyst, the heat evolved or absorbed during the reaction _______.

Which plant hormone help in active absorption of water?

Cockroach shows which kind of circulatory system?

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when :

Seeds placed in water imbibe the same because of:

Respiration results in ___________.

Match the column I and II and choose the correct combination from the options given regarding Cockroach.  Column I  Column II a. Testes K. 2^th - 6^th segments b. Ovaries L. 4^th - 6^th segments c. Spermathecae M. 6^th - 7^th segments d. Mushroom N. 6^th segments

What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as?

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 ?

Which of the following codons codes for the amino acid phenylalanine ?

Water is flowing through a horizontal pipe in stream line flow. At the narrowest part of the pipe

Molecular scissor of genetic engineering?

How many steps are there in the process of glycolysis, the metabolic pathway that converts glucose into pyruvate ?

What is the IUPAC name of phloroglucinol?

Fruit is a modification of:

The maximum percentage of polyunsaturated fatty acid present in: