Minamata disease is caused due to the presence of in water.
Cadmium
Lead
Arsenic
Mercury
D.
Mercury
In water, mercury gets changed into water-soluble dimethyl form and enters the food chain accompanied by biological amplification. It develops a crippling deformity called Minamata disease.
A hereditary disease which is never passed on from father to son is
X-chromosomal linked disease
Autosomal linked disease
Y chromosomal linked disease
None of the above
Intermediate community between pioneer and climax communities is called
Seral community
Biotic community
Temporary community
Ecosphere
A kind of biotechnology involving manipulation of
DNA is
DNA replication
Genetic engineering
Denaturation
Renaturation