Subject: Bio - Chemistry

#185

What is the general formula for alkanes?

A) CnH2n+2

B) CnH2n

C) CnH2n-2

D) CnHn

Answer:   A

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#186

Which compound contains a carboxylic acid group?

A) Acetic acid

B) Ethanol

C) Methane

D) Acetone

Answer:   A

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#187

Which of the following is a nucleic acid?

A) DNA

B) Protein

C) Glucose

D) Starch

Answer:   A

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#188

Which is a characteristic of organic compounds?

A) Contain carbon

B) High melting point

C) Ionic bonding

D) Lack of carbon

Answer:   A

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#189

Which of the following is an ester?

A) Ethyl acetate

B) Acetic acid

C) Ammonia

D) Glycine

Answer:   A

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#190

What is an amide?

A) A compound with –CONH2 group

B) A compound with –OH group

C) A compound with –COOH group

D) A compound with –CHO group

Answer:   A

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#191

Which of the following is a hydrocarbon?

A) Methane

B) Sodium chloride

C) Water

D) Carbon dioxide

Answer:   A

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#192

Which functional group is present in alcohols?

A) –OH

B) –COOH

C) –NH2

D) –CHO

Answer:   A

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