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Zoology
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TN State Board
TN 12th Standard
Zoology
TEST : 3
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q1.
The male sex hormone testosterone is secreted from
A.
Sertoli cells
B.
Leydig cell
C.
Epididymis
D.
Prostate gland
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q2.
Which one of the following groups includes sexually transmitted diseases caused by bacteria only?
A.
Syphilis, gonorrhoea and candidiasis
B.
Syphilis, chlamydiasis and gonorrhoea
C.
Syphilis, gonorrhoea and trichomoniasis
D.
Syphilis, trichomoniasis and pediculosis
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q3.
ABO blood group in man is controlled by
A.
Multiple alleles
B.
Lethal genes
C.
Sex linked genes
D.
Y-linked genes
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Answer :
Option A
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q4.
DNA and RNA are similar with respect to
A.
Thymine as a nitrogen base
B.
A single-stranded helix shape
C.
Nucleotide containing sugars, nitrogen bases and phosphates
D.
The same sequence of nucleotides for the amino acid phenyl alanine
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q5.
Who published the book “Origin of species by Natural Selection” in 1859?
A.
Charles Darwin
B.
Lamarck
C.
Weismann
D.
Hugo de Vries
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q6.
A 30 year old woman has bleedy diarrhoea for the past 14 hours, which one of the following organisms is likely to cause this illness?
A.
Streptococcus pyogens
B.
Clostridium difficile
C.
Shigella dysenteriae
D.
Salmonella enteritidis
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q7.
Allergy involves
A.
IgE
B.
IgG
C.
lgA
D.
IgM
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q8.
The most common substrate used in distilleries for the production of ethanol is_________
A.
Soyameal
B.
Groundgram
C.
Molasses
D.
Corn meal
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q9.
The genetic defect adenosine deaminase deficiency may be cured permanently by
A.
Enzyme replacement therapy
B.
periodic infusion of genetically engineered lymphocytes having ADA cDNA
C.
administering adenosine deaminase activators
D.
introducing bone marrow cells producing ADA into embryo at an early stage of development.
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q10.
The interaction in nature, where one gets benefit on the expense of other is...
A.
Predation
B.
Mutualism
C.
Amensalism
D.
Commensalism
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
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Zoology
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Chapter 1: Reproduction in Organisms
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Chapter 2: Human Reproduction
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Chapter 3: Reproductive Health
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Chapter 4: Principles of Inheritance and Variation
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Chapter 5: Molecular Genetics
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Chapter 6: Evolution
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Chapter 7: Human Health and Diseases
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Chapter 8: Immunology
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Chapter 9: Microbes in Human Welfare
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Chapter 10: Applications of Biotechnology
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Chapter 11: Organisms and Population
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Chapter 12: Biodiversity and its Conservation
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Chapter 13: Environmental Issues
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