List of top Biology Questions

The initial step in the digestion of milk in humans is carried out by?
A marine cartilaginous fish that can produce electric current is:
The main function of mammalian corpus luteum is to produce:
Which vector can clone only a small fragment of DNA?
Match the storage products listed under Column-I with the organisms given under Column-II; choose the appropriate option from the given choices.
The enzyme recombinase is required at which stage of meiosis?
During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?
Which one of the following fungi contains hallucinogens?
Choose the correctly matched pair:
Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?
An example of edible underground stem is:
Placenta and pericarp are both edible portions in :
Which vector can clone only a small fragment of DNA?
Which one of the following growth regulators is known as ‘stress hormone’?
Anoxygenic photosynthesis is characteristic of:
How do parasympathetic neural signals affect the working of the heart?
Which one of the following living organisms completely lacks a cell wall?
Which one of the following are analogous structures?
Which structures perform the function of mitochondria in bacteria?
Fruit colour in squash is an example of:
Which of the following is a hormone releasing Intra Uterine Device (IUD)?
The motile bacteria are able to move by:
Tubectomy is a method of sterilization in which :
The shared terminal duct of the reproductive and urinary system in the human male is:
In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is