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Zoology
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TN State Board
TN 12th Standard
Zoology
TEST : 5
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q1.
Cry toxins obtained from Bacillus thuringiensis are effective against for______
A.
Mosquitoes
B.
Flies
C.
Nematodes
D.
Bollworms
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q2.
GEAC stands for
A.
Genome Engineering Action Committee
B.
Ground Environment Action Committee
C.
Genetic Engineering Approval Committee
D.
Genetic and Environment Approval Committee
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
Q3.
Predation and parasitism are which type of interactions?
A.
(+,+)
B.
(+, O)
C.
(--, --)
D.
(+, --)
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q4.
Which of the following is considered a hotspots of biodiversity in India
A.
Western ghats
B.
Indo-gangetic plain
C.
Eastern Himalayas
D.
A and C
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q5.
The ‘thickness’ of Stratospheric Ozone layer is measured in/on:
A.
Sieverts units
B.
Dobson units
C.
Melson units
D.
Beaufort Scale
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
Q6.
In which mode of reproduction variations are seen
A.
Asexual
B.
Parthenogenesis
C.
Sexual
D.
Both a and b
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Zoology
# TN 12th Zoology
Prepare / Learn
Q7.
The male homologue of the female clitoris is
A.
Scrotum
B.
Penis
C.
Urethra
D.
Testis
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
Q8.
A contraceptive pill prevents ovulation by
A.
blocking fallopian tube
B.
inhibiting release of FSH and LH
C.
stimulating release of FSH and LH
D.
causing immediate degeneration of released ovum.
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
Q9.
Which of the following is not correct?
A.
Three or more alleles of a trait in the population are called multiple alleles.
B.
A normal gene undergoes mutations to form many alleles
C.
Multiple alleles map at different loci of a chromosome
D.
A diploid organism has only two alleles out of many in the population
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
Q10.
The total number of nitrogenous bases in human genome is estimated to be about
A.
3.5 million
B.
35000
C.
35 million
D.
3.1 billion
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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