List of top Biology Questions

Beta-pleated is a secondary structure of the protein. Primary structure folded to form secondary structure. Hydrogen bonds are responsible for the formation of secondary structure. Solve the given question to have a better understanding of the beta-pleated sheet.In β-pleated secondary protein structure there are:
A haem group is a prosthetic group made up of a protoporphyrin ring and a central iron (Fe) atom. Some of the enzymes have haem. Want to know more about it, attempt this question.Which of the following enzymes has/have heme as a prosthetic group?(i) Catalase                            (ii) Carboxypeptidase(iii) Succinic dehydrogenase (iv) Peroxidase
Ammonia is generally excreted through which of the following?
Sucrose is also called as ____.
Nephrons are connected with ______.
Fruit is a modification of:
Unidirectional transmission of a nerve impulse through nerve fiber is due to the fact that:
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:
______ is the branch of genetics, which deals with heritable changes in gene activity that are not caused by changes in the DNA sequence.
The filtration slits are formed in the Bowman’s capsule by ________.
Who is known as the direct ancestor of modern man?
Addition of the adulterants reduces the value of _________ in food.
Which one of the following is correct regarding the factors that affects water absorption in plants?
Krebs cycle begins with which of the following reaction?
Phytochrome occurs in two forms. In which form(s) does it promote the germination of seeds of some species?
Abortions are much riskier _____.
The amount of energy provided by fat is ____.
In which part of the excretory system of the human body urine is it stored before passing urine?
The sino-atrial node is the normal pacemaker of the human heart because:
Which of the following gases is primarily responsible for eutrophication of water bodies?
Which one of the following shows the correct sequence of the path of urine in the human excretory system?
The sex of the children will be determined by what they inherit from the:
__________ is the result of an artificial hybridization between radish and cabbage.
Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus
The percentage of forest cover recommended by the 'National Forest Policy' (1988) is: