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Botany
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TN State Board
TN 12th Standard
Botany
TEST : 28
TN State Board
TN 12th Standard
Botany
Chapter 2: Classical Genetics
Prepare / Learn
Q1.
Select the period for Mendel’s hybridization experiments
A.
1856 - 1863
B.
1850 - 1870
C.
1857 - 1869
D.
1870 - 1877
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
UNIT VII: Genetics
Prepare / Learn
Q2.
The mechanism that causes a gene to move from one linkage group to another is called
A.
Translocation
B.
Crossing over
C.
Inversion
D.
Duplication
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
Chapter 3: Chromosomal Basis of Inheritance
Prepare / Learn
Q3.
Codon – anticodon interactions occur by
A.
Covalent bond
B.
Electrostatic interactions
C.
Hydrogen bonds
D.
Hydrophobic interaction
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
UNIT VIII: Biotechnology
Prepare / Learn
Q4.
Which one of the following palindromic base sequence in DNA can be easily cut at about the middle by some particular restriction enzyme?
A.
5’CGTTCG3’ 3’ATCGTA 5’
B.
5’ GATATG 3’ 3’ CTACTA 5’
C.
5’ GAATTC 3’ 3’ CTTAAG 5’
D.
5’ CACGTA 3’ 3’ CTCAGT 5’
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
Chapter 6: Principles of Ecology
Prepare / Learn
Q5.
Sticky glands of Boerhaavia and Cleome support
A.
Anemochor
B.
Zoochory
C.
Autochory
D.
Hydrochory
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
UNIT IX: Plant Ecology
Prepare / Learn
Q6.
The upright pyramid of number is absent in
A.
Pond
B.
forest
C.
lake
D.
grassland
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
Chapter 1: Asexual and Sexual Reproduction in Plants
Prepare / Learn
Q7.
Parthenocarpic fruits lack
A.
Endocarp
B.
Epicarp
C.
Mesocarp
D.
seed
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
Chapter 2: Classical Genetics
Prepare / Learn
Q8.
Among the following characters which one was not considered by Mendel in his experimentation pea?
A.
Stem – Tall or dwarf
B.
Trichomal glandular or non-glandular
C.
Seed – Green or yellow
D.
Pod – Inflated or constricted
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
UNIT VII: Genetics
Prepare / Learn
Q9.
A point mutation comprising the substitution of a purine by pyrimidine is called
A.
Transition
B.
Translocation
C.
Deletion
D.
Transversion
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 12th Standard
Botany
Chapter 3: Chromosomal Basis of Inheritance
Prepare / Learn
Q10.
Which of the following RNA polymerases is responsible for the transcription of protein coding genes in eukaryotes?
A.
RNA Pol I
B.
RNA Poly II
C.
RNA Pol III
D.
RNA Pol IV
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
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TN State Board
TN 12th Standard
Botany
TEST : 28
Botany
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UNIT VI: Reproduction in Plants
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UNIT VII: Genetics
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UNIT VIII: Biotechnology
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UNIT IX: Plant Ecology
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UNIT X: Economic Botany
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Chapter 1: Asexual and Sexual Reproduction in Plants
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Chapter 2: Classical Genetics
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Chapter 3: Chromosomal Basis of Inheritance
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Chapter 4: Principles and Processes of Biotechnology
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Chapter 5: Plant Tissue Culture
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Chapter 6: Principles of Ecology
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Chapter 7: Ecosystem
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Chapter 8: Environmental Issues
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Chapter 9: Plant Breeding
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Chapter 10: Economically Useful Plants and Entrepreneurial Botany
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