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UNIT IX: Plant Ecology
- Online Test
UNIT IX: Plant Ecology
TEST : 1
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q1.
Plants which produce characteristic pneumatophores and show vivipary belong to
A.
Halophytes
B.
psammophytes
C.
hydrophytes
D.
mesophytes
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q2.
Mycorrhizae are the example of
A.
amensalism
B.
antibiosis
C.
mutualism
D.
fungistatis
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q3.
If ‘+’ sign is assigned to beneficial interaction, ‘-’ sign to detrimental and ‘0’ sign to neutral interaction, then the population interaction represented by ‘+’ ‘-’ refers to
A.
mutualism
B.
amensalism
C.
commensalism
D.
parasitism
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Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q4.
Which of the following is correctly matched?
A.
Aerenchyma - Opuntia
B.
Age pyramid - Biome
C.
Parthenium hysterophorus - Threat to biodiversity
D.
Stratification - Population
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q5.
An association of individuals of different species living in the same habitat and having functional interactions is
A.
Population
B.
Ecological niche
C.
Biotic community
D.
Ecosystem
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q6.
Roots play in significant role in absorption of water in
A.
Wheat
B.
Sunflower
C.
Pistia
D.
Pea
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q7.
If we uncover half of the forest covering the earth, what crisis will be produced at most and the first?
A.
Some species will be extinct
B.
Population and ecological imbalance will rise up
C.
Energy crisis will occur
D.
Rest half forests will maintain this imbalance
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q8.
Most animals are tree dwellers in a
A.
Tropical rain forest
B.
Coniferous forest
C.
Thorn woodland
D.
Temperate deciduous fo
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q9.
Cuscuta is an example of
A.
Ectoparasitism
B.
Brood parasitism
C.
Predation
D.
Endoparasitism
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT IX: Plant Ecology
# TN 12th Botany
Prepare / Learn
Q10.
Large woody vines are more commonly found in
A.
Alphine forests
B.
Temperate forests
C.
Mangroves
D.
Tropical rain forests
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
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