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Chapter 8 Biomolecules
- Online Test
Chapter 8 Biomolecules
TEST : 1
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q1.
How many fatty acids occur in a lipid (fat) molecule
A.
One
B.
Two
C.
Three
D.
Four or Five
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q2.
Nitrogen base + Pentose sugar + Phosphate group is
A.
Nucleoside
B.
Nucleotide
C.
Nucleic acid
D.
Pyrimidine base
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q3.
One turn of B-DNA double helix spans a distance of
A.
3.4 nm
B.
2.46 nm
C.
4.56 nm
D.
4.6 nm
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q4.
In fruits such as Lady’s fi nger the mucilage is made up of
A.
Galactose
B.
Mannose
C.
Both (a) and (b)
D.
Lactose
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q5.
The number of hydrogen atoms between Guanine & Cytosine and that of Adenine and Thyamine respectively is
A.
1 and 2
B.
3 and 4
C.
3 and 2
D.
2 and 2
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q6.
Amino acids are organic compounds and are called α - amino acids. Why?
A.
Amino acids are organic compounds containing an amino group and acidic group as substituents on two different carbons
B.
Amino acids are organic compounds containing an amino group and an acidic group as substituents on the same carbon
C.
Amino acids are inorganic compounds containing an amino group and acidic group as substituents on two different carbons
D.
Amino acids are inorganic compounds containing an amino group and acidic group as substituents on the same carbon
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q7.
Amino acids are substituted methanes. Name the four substituent groups occupying the four valency positions.
A.
Hydrogen, carboxyl group, amino group and a variable group (R)
B.
Two carboxyl groups amino group and OH
C.
Two hydrogen, one carboxyl group, amino group and a variable group (R)
D.
Two amino groups, one hydrogen and one carboxyl group
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q8.
Variety of amino acids are formed on the basis of
A.
Position of hydroxyl group
B.
Position of carboxyl group
C.
Position of hydrogen
D.
Nature of R group
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q9.
Lipids are insoluble in water because lipid molecule are
A.
Neutral
B.
Zwitter ions
C.
Hydrophobic
D.
Hydrophillic
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 11th Standard
Botany
Chapter 8 Biomolecules
Prepare / Learn
Q10.
Which of the following is/are secondary metabolites?
A.
Rubber
B.
Morphine
C.
Curcumin
D.
All of these
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Answer :
Option D
Explaination / Solution:
No Explaination.
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Chapter 8 Biomolecules
TEST : 1
Chapter 8 Biomolecules
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TN State Board : TN 11th Standard (Botany)
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Chapter 1 Living World
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Chapter 2 Plant Kingdom
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Chapter 3 Vegetative Morphology
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Chapter 4 Reproductive Morphology
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Chapter 5 Taxonomy and Systematic Botany
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Chapter 6 Cell: The Unit of Life
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Chapter 7 Cell Cycle
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Chapter 8 Biomolecules
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UNIT I: Diversity of Living World
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UNIT III: Cell biology and Biomolecules
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