List of top Biology Questions

The correct equation depicting species-area relationship is

The concept of "Contagium vivum fluidum" was given by

Select the correct path of flow of milk during breast feeding.

DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as :

Which of the following is an incorrect statement ?

Amensalism can be represented as:

In spite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

Mutations in plant cells can be induced by :

Complete the flow chart on central dogma.

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as:

During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :

Identify the correct statement.

Identify the incorrect pair.

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

If Adenine makes $30 \%$ of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?

In the exponential growth equation $N _{ t }= N _{0} e ^{ rt }$, e represents:

Succus entericus is referred to as :

The centriole undergoes duplication during:

The organelles that are included in the endomembrane system are :

Veneral diseases can spread through : (a) Using sterile needles (b) Transfusion of blood from infected person (c) Infected mother to foetus (d) Kissing (e) Inheritance Choose the correct answer from the options given below.