List of top Biology Questions

Traditional Anethesia is obtained from

In DNA 20% bases are adenine. What percentage of bases are pyrimidines?

Band 3 protine in RBC has the function of

Which of the following is not considered as a secondarymessenger?

Cell placed in hypertonic solution is shown by

Hypothalamus can regulate

Which is also called molecular glue

Length of oesophagus is:

Gastrulation means:

citrulline structure:

Chordae Tendinae is found in:

Which of the following is not a micronutrient

Most advanced invertebrates are:

Carcinogen present in cigarette smoke is :

Bradykinin is a :

Number of chromosomes present in spermatogonium is :

An interaction in which one organism is benefitted and other is unaffected

Choose the incorrect about gemmules:

Structure analogous to the placenta in mammals

Hardest substance in plant kingdom is

To make chromosomal studies easier, chromosomes are classified into certain groups. So,the chromosome number 21, 22 and Y are listed in

Genetic variation cannot be effectively brought about by

Which one is only found in plant?

Which of the following is not true?

During DNA replication, supercoiling is relaxed by