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Biomolecules
- Online Test
Biomolecules
TEST : 4
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q1.
The following structure of protein is called
A.
Tertiarystructure
B.
quaternary structure.
C.
Secondary structure
D.
primary structure
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Answer :
Option A
Explaination / Solution:
Tertiary structure is this structure.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q2.
The sugar constituent of DNA is.
A.
D – 2 – deoxy ribose
B.
D – glucose
C.
D – ribose
D.
D – lactose
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Answer :
Option A
Explaination / Solution:
Sugar constituent of DNA is D-2-deoxy ribose.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q3.
Which of the following amines can be resolved into enantiomers?
A.
4 – (dimethylamino) pyridine
B.
2 – pentanamine
C.
3 – pentanamine
D.
Trimethylamine
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Answer :
Option B
Explaination / Solution:
2-pentanamine forms enantiomers.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q4.
The enzyme which catalyses the hydrolysis of fats into fatty acids and glycerol is.
A.
Zymase
B.
Peptidase
C.
Lipase
D.
Urease
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Answer :
Option C
Explaination / Solution:
Lipase catalyse hydrolysis of fats into fatty acids and glycerol.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q5.
Adenosine is.
A.
Nucleoside
B.
Nucleotide
C.
None of these
D.
Nuclic acid
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Answer :
Option A
Explaination / Solution:
Adenosine is nucleoside.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q6.
ATP is
A.
Cytosine
B.
Nucleotide
C.
Adrnosine
D.
Nucleoside
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Answer :
Option B
Explaination / Solution:
ATP is nucleotide.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q7.
RNA guides the biosynthesis of
A.
Fats
B.
Cellulose
C.
Starch
D.
Proteins
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Answer :
Option D
Explaination / Solution:
RNA guides the biosynthesis of proteins.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q8.
Phospholipid is.
A.
Act as material for proteins
B.
An important source of energy
C.
Have the same formulas as waxes
D.
Ester of glycerol with phosphoric acid
View Solution
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Answer :
Option D
Explaination / Solution:
Phospholipid is esters of glycerol with phosphoric acid.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q9.
Bees – wax is.
A.
Myricylpaimitate
B.
Glyceryl stearate
C.
Myricyloleate
D.
Myricyl acetate
View Solution
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Answer :
Option A
Explaination / Solution:
Bees wax is myricylpaimitate.
# Biomolecules
# CBSE 12TH CHEMISTRY
Prepare / Learn
Q10.
Nucleotides are joined together by
A.
peptide linkage
B.
disulphide linkage
C.
glycosidic linkage
D.
phosphodiester linkage
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
Nucleotides are together by phosphodiester linkage.
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