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Zoology
- Online Test
TN State Board
TN 12th Standard
Zoology
TEST : 15
TN State Board
TN 12th Standard
Zoology
Chapter 6: Evolution
Prepare / Learn
Q1.
The golden age of reptiles was
A.
Mesozoic era
B.
Cenozoic era
C.
Paleozoic era
D.
Proterozoic era
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 7: Human Health and Diseases
Prepare / Learn
Q2.
The sporozoite of the malarial parasite is present in ----
A.
saliva of infected female Anopheles mosquito.
B.
RBC of human suffering from malaria.
C.
Spleen of infected humans.
D.
Gut of female Anopheles mosquito.
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 8: Immunology
Prepare / Learn
Q3.
In agglutination and precipitation reactions, the antigen is a ______________ and ____________ respectively
A.
Whole cell/soluble molecule
B.
Soluble molecule/whole cell
C.
Bacterium/virus
D.
Protein/Antibody
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 9: Microbes in Human Welfare
Prepare / Learn
Q4.
Select the correct statement from the following.
A.
Biogas is produced by the activity of aerobic bacteria on animal waste.
B.
Methanobacterium is an aerobic bacterium found in rumen of cattle.
C.
Biogas, commonly called gober gas, is pure methane.
D.
Activated sludge-sediment in settlement tank of sewage treatment plant is a right source of aerobic bacteria.
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 10: Applications of Biotechnology
Prepare / Learn
Q5.
Genetic engineering has been successfully used for producing
A.
Transgenic mice for testing safety of polio vaccine before used in humans.
B.
Transgenic models for studying new treatments for certain cardiac diseases.
C.
Transgenic cow Rosie which produces high fat milk for making ghee.
D.
Animals like bulls for farm work as they have super power.
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 11: Organisms and Population
Prepare / Learn
Q6.
Animals that can move from fresh water to sea called as.....
A.
Stenothermal
B.
Eurythermal
C.
Catadromous
D.
Anadromous
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 12: Biodiversity and its Conservation
Prepare / Learn
Q7.
The highest number of species in the world is represented by
A.
Fungi
B.
Mosses
C.
Algae
D.
Lichens
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 13: Environmental Issues
Prepare / Learn
Q8.
SMOG is derived from :
A.
Smoke
B.
Fog
C.
Both A and B
D.
Only A
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 2: Human Reproduction
Prepare / Learn
Q9.
Colostrum is rich in
A.
Ig E
B.
Ig A
C.
Ig D
D.
Ig M
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Zoology
Chapter 3: Reproductive Health
Prepare / Learn
Q10.
Which of the following approach does not give the defined action of contraceptive?
A.
Barrier methods : Prevent fertilization
B.
Intra uterine devices : Increases phagocytosis of sperms, suppresses sperm motility and fertilizing capacity of sperms
C.
Hormonal contraceptives : Prevent retard entry of sperms, prevent ovulation and fertilization
D.
Vasectomy : Prevents spermatogenesis
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
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TN State Board
TN 12th Standard
Zoology
TEST : 15
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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