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Chemistry

Chemistry
Which one of the following chemicals helps in fruit ripening?

Atrazine
Malathion
Isoproturan
Ethephon

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Ozone gas
Carbon Monoxide
Carbon dioxide
Methane

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Chemistry
Nucleus of an atom consists of.

Proton and Neutron
Electron, Proton and Neutron
Proton
Neutron

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Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

1
2
4
3

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Chemistry
The natural resource, known as black gold is

Tin
Lead
Platinum
Coal

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Chemistry
Which of the following processes is used for the production of Biodiesel ?

Transamination
Translation
Transesterification
Transcription

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