List of top Biology Questions

Which of the following is not a micronutrient

Length of oesophagus is:

Gastrulation means:

citrulline structure:

Bradykinin is a :

Number of chromosomes present in spermatogonium is :

Carcinogen present in cigarette smoke is :

Structure analogous to the placenta in mammals

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

Choose the incorrect about gemmules:

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

Vernalisation is

Which one is only found in plant?

During DNA replication, supercoiling is relaxed by

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

Which of the following is not true?

Verticilaster inflorescence is found in

Zooidogamy is found in

Chromosome walking is

Hirudin is:

Sex is determined in human beings

Which one of the following is not a correct pair of type of cancer and origin place?

In some organisms, karyokinesis is not followed by cytokinesis as a result of which multinucleate condition arises leading to the formation of syncytium. The perfect example for this is