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TN State Board
TN 12th Standard
Botany
TEST : 4
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q1.
Find the wrongly matched pair.
A.
Endemism - Species confined to a region and not found anywhere else.
B.
Hotspots - Western ghats
C.
Ex-situ Conservation - Zoological parks and Sacred groves - Saintri hills of Rajasthan
D.
Alien sp. Of India - Water hyacinth
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q2.
Pick out the odd pair.
A.
Mass selection – Morphological characters
B.
Purline selection - Repeated self pollination
C.
Clonal selection - Sexually propagated
D.
Natural selection - Involves nature
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q3.
Groundnut is native of _____________
A.
Philippines
B.
India
C.
North America
D.
Brazil
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q4.
A man-made allopolyploid cereal crop is
A.
Hordeum vulgare
B.
Triticale
C.
Raphanus brassica
D.
Zee mays
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q5.
Identify the correctly matched pair
A.
Tuber - Allium cepa
B.
Sucker - Pistia
C.
Rhizome - Musa
D.
Stolon - Zingiber
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q6.
An example for edible underground stem is
A.
Carrot
B.
Groundnut
C.
Sweet potato
D.
Potato
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q7.
How many different kinds of gametes will be produced by a plant having the genotype AABbCC?
A.
Three
B.
Four
C.
Nine
D.
Two
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q8.
Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
A.
Factors occur in pairs
B.
The discrete unit controlling a particular character is called a factor
C.
Out of one pair of factors one is dominant and the other is recessive
D.
Alleles does not show any blending and both the characters recover as such in F
2
generation
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q9.
Match list I with list II
A.
A-i, B-iii, C-ii, D-iv
B.
A-ii, B-iii, C-iv, D-i
C.
A-ii, B-iii, C-i, D-iv
D.
A-iii, B-ii, C-i, D-iv
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# TN State Board
# TN 12th Standard
# Botany
# TN 12th Botany
Prepare / Learn
Q10.
EcoRI cleaves DNA at
A.
AGGGTT
B.
GTATATC
C.
GAATTC
D.
TATAGC
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
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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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