The codon for anticodon 3'-UUUA-5' is:

1. 3'-AAU-5'

2. 5'-UAAA-3'

3. 5'-AAAU-3'

4. 3'-UAAU-5'

A kind of biotechnology involving manipulation of DNA is:

1. DNA replication

2. genetic engineering

3. denaturation

4. renaturation

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

1. cadmium

2. lead

3. arsenic

4. mercury

The phrase 'Omnis cellula-e-cellula' was given by:

1. Virchow

2. Pasteur

3. Schleiden

4. Brown

Intermediate community between pioneer and climax communities is called:

1. seral community

2. biotic community

3. temporary community

4. ecosure

Ten per cent law of energy transfer in a food chain is given by:

1. Schimper

2. Elton

3. Haeckel

4. Lindemann

Apoenzyme is:

Glycogenolysis involves:

1. conversion of sugar into glycogen

2. oxidation of sugar

3. conversion of glycogen into sugar

4. conversion of glycogen into fat

A polygenic inheritance in human beings is:

1. skin colour

2. sickle cell anaemia

3. colour blindness

4. phenylketonuria

Nucleic acid segment tagged with a radioactive molecule is called:

1. clone

2. probe

3. plasmid

4. vector