List of top Biology Questions

Stomatal movement is not affected by

The Golgi complex participates in

Which among the following is not a prokaryote ?

In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen ?

Which of the following is not a product of light reaction of photosynthesis ?

A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to

Natality refers to

Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called

Niche is

World Ozone Day is celebrated on

Which of the following is a secondary pollutant ?

Which of the following flowers only once in its life-time ?

The correct order of steps in Polymerase Chain Reaction (PCR) is

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes ?

Offsets are produced by

Which of the following has proved helpful in preserving pollen as fossils ?

Which of the following pairs is wrongly matched ?

Secondary xylem and phloem in dicot stem are produced by

Select the correct match :

Select the wrong statement :

Plants having little or no secondary growth are

The experimental proof for semiconservative replication of DNA was first shown in a

Casparian strips occur in