Oncology is the study of

• Branch of science that deals with eyes
• Branch of science that deals with Brain
• Branch of science that deals with Tumours and Cancers
• Branch of science that deals with Blood Circulation
Correct Option: C  [ Branch of science that deals with Tumours and Cancers ]

Remark:

Which of the following is used in pencils ?

• Graphite
• Silicon
• Charcoal
• Phosphorous
Correct Option: A  [ Graphite ]

Remark:

The location of where an organism lives would be best described as its:

• niche
• habitat
• range
• biome
Correct Option: B  [ habitat ]

Remark:

Which instrument is used for measuring humidity of atmosphere?

• Barometer
• Anemometer
• Thermometer
• Hygrometer
Correct Option: D  [ Hygrometer ]

Remark:

In which year was the "@" chosen for its use in e-mail addresses?

• 1972
• 1976
• 1980
• 1984
Correct Option: A  [ 1972 ]

Remark:

Who had discovered oxygen?

• Rutherford
• William Harvey
• Priestly
• Galileo
Correct Option: C  [ Priestly ]

Remark:

Which metal is responsible for Itai-Itai disease?

• Cadmium
• Nickel
• Chromium
• Mercury
Correct Option: A  [ Cadmium ]

Remark:

Which of the following statements is correct ?

• Protons are negatively charged and are present in the nucleus
• Electrons are positively charged and are present in the nucleus
• Electrons are negatively charged and are present in the orbits
• The entire mass of atom is distributed in the orbits.
Correct Option: C  [ Electrons are negatively charged and are present in the orbits ]

Remark:

Acid rain is caused due to the pollution of environment by:

• Carbondioxide and Nitrogen
• Carbon monoxide and Carbondioxide
• Ozone and Methane
• Some oxide of Nitrogen and Sulpher
Correct Option: D  [ Some oxide of Nitrogen and Sulpher ]

Remark: Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air

Magnetic effect of current gives rise to which force ?

• mechanical
• frictional
• spring
• gravitational
Correct Option: A  [ mechanical ]

Remark: