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Chapter 4: Principles of Inheritance and Variation
- Online Test
Chapter 4: Principles of Inheritance and Variation
TEST : 2
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q1.
In an accident there is great loss of blood and there is no time to analyse the blood group which blood can be safely transferred?
A.
‘O’ and Rh negative
B.
‘O’ and Rh positive
C.
’B’ and Rh negative
D.
‘AB’ and Rh positive
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q2.
Father of a child is colourblind and mother is carrier for colourblindness, the probability of the child being colourblind is
A.
25%
B.
50%
C.
100%
D.
75%
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q3.
A marriage between a colourblind man and a normal woman produces
A.
All carrier daughters and normal sons
B.
50% carrier daughters, 50% normal daughters
C.
50% colourblind sons, 50% normal sons
D.
All carrier offsprings
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q4.
Mangolism is a genetic disorder which is caused by the presence of an extra chromosome number
A.
20
B.
21
C.
4
D.
23
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Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q5.
Klinefelters’ syndrome is characterized by a karyotype of
A.
XYY
B.
XO
C.
XXX
D.
XXY
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q6.
Females with Turners’ syndrome have
A.
Small uterus
B.
Rudimentary ovaries
C.
Underdeveloped breasts
D.
All of these
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Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q7.
Pataus’ syndrome is also referred to as
A.
13-Trisomy
B.
18-Trisormy
C.
21-Trisormy
D.
None of these
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q8.
Who is the founder of Modern Eugenics movement?
A.
Mendel
B.
Darwin
C.
Francis Galton
D.
Karl pearson
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Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q9.
Improvement of human race by encouraging the healthy persons to marry early and produce large number of children is called
A.
Positive eugenics
B.
Negative eugenics
C.
Positive euthenics
D.
Positive euphenics
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 4: Principles of Inheritance and Variation
# TN 12th Zoology
Prepare / Learn
Q10.
The _______deals with the control of several inherited human diseases especially inborn errors of metabolism
A.
Euphenics
B.
Eugenics
C.
Euthenics
D.
All of these
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
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