Mention the methods which cause morphological modifications of chromosomes

Mention two morphological adaptations of hydrophytes.

Mention the agent that causes allergy?

Mention the causes of cancer.

In which type of evolution similar sequences of morphological modifications appear successively from the basic stock?

Mention the cause of earthquake .

The substance which causes doubling of the chromosome is called

Mention the causes of deforestation.

Mention the the causative organism of ascariasis

Mention the causes of acid rain?