List of top Biology Questions

An aggregate fruit is one which develops from:
Which one of the following statements is correct?
Non-albuminous seed is produced in:
To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
Which of the following shows coiled RNA strand and capsomeres?
The first human hormone produced by recombinant DNA technology is?
Function of filiform apparatus is to:
Geitonogamy involves :
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as
The zone of atmosphere in which the ozone layer is present is called:
In vitro clonal propagation in plants is characterized by:
Fructose is absorbed into the blood through mucosa cells of intestine by the process called:
In 'S' phase of the cell cycle :
A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?
Which one of the following living organisms completely lacks a cell wall?
Select the Taxon mentioned that represents both marine and freshwater species
Planaria possess high capacity of:
A marine cartilaginous fish that can produce electric current is:
Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.
Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem
Which one of the following is a non-reducing carbohydrate?
A scrubber in the exhaust of a chemical industrial plant removes:
Anoxygenic photosynthesis is characteristic of:
An analysis of chromosomal DNA using the southern hybridisation technique does not use:
Commonly used vectors for human genome sequencing are:
In which one of the following processes CO2 is not released?