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UNIT 14: Biomolecules
- Online Test
UNIT 14: Biomolecules
TEST : 2
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q1.
Which one of the following is not produced by body?
A.
DNA
B.
Enzymes
C.
Harmones
D.
Vitamins
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q2.
The number of sp2 and sp3 hybridised carbon in fructose are respectively
A.
1 and 4
B.
4 and 2
C.
5 and 1
D.
1 and 5
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q3.
Vitamin B2 is also known as
A.
Riboflavin
B.
Thiamine
C.
Nicotinamide
D.
Pyridoxine
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q4.
The pyrimidine bases present in DNA are
A.
Cytosine and Adenine
B.
Cytosine and Guanine
C.
Cytosine and Thiamine
D.
Cytosine and Uracil
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q5.
Among the following L-serine is
A.
B.
C.
D.
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q6.
The secondary structure of a protein refers to
A.
fixed configuration of the polypeptide backbone
B.
hydrophobic interaction
C.
sequence of α-amino acids
D.
α-helical backbone
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q7.
Which of the following vitamins is water soluble?
A.
Vitamin E
B.
Vitamin K
C.
Vitamin A
D.
Vitamin B
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q8.
Complete hydrolysis of cellulose gives
A.
L-Glucose
B.
D-Fructose
C.
D-Ribose
D.
D-Glucose
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q9.
Which of the following statement is not correct?
A.
Ovalbumin is a simple food reserve in egg-white
B.
Blood proteins thrombin and fibrinogen are involved in blood clotting
C.
Denaturation makes protein more active
D.
Insulin maintains the sugar level of in the human body.
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Chemistry
UNIT 14: Biomolecules
Prepare / Learn
Q10.
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
A.
It does not form oxime
B.
It does not react with Grignard reagent
C.
It does not form osazones
D.
It does not reduce tollens reagent
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
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UNIT 14: Biomolecules
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UNIT 14: Biomolecules
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TN State Board : TN 12th Standard (Chemistry)
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