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

Alcoholism may leads to

• Skin cancer

• Liver cirrhosis

• Viral disease

• Eye Infection

A kind of biotechnology involving manipulation of
DNA is

• DNA replication

• Genetic engineering

• Denaturation

• Renaturation

Sir Godfrey Hounsfield developed the diagonosi technique of

• CT scanning

• MRI

• Endoscopy

• Bronchoscopy

Amount of Co, in expired air is about

• 0.04%

• 0.03%

• 4.5%

• 21%

Minamata disease is caused due to the presence of in water.

• Cadmium

• Lead

• Arsenic

• Mercury

The codon for anticodon 3-UUUA-5' is

• 3-AAU-5

• 5-UAAA-3

• 5-AAAU-3

• 3-UAAU-5'

Age of fishes is also known as

• Permian Era

• Silurian Era

• Devonian Era

• Ordovician Era

Vaccine for tuberculosis is known as

• PAS vaccine

• BCG vaccine

• OPVA

• DPT