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UNIT X: Economic Botany
- Online Test
UNIT X: Economic Botany
TEST : 2
# UNIT X: Economic Botany
# TN 12th Botany
Prepare / Learn
Q1.
Himgiri developed by hybridization is selection for disease resistance against rust pathogen is a variety of
A.
Chilli
B.
Maize
C.
Sugarcane
D.
Wheat
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT X: Economic Botany
# TN 12th Botany
Prepare / Learn
Q2.
Breeding of crops with high levels of minerals, vitamins and proteins is called
A.
somatic hybridization
B.
biofortification
C.
bio magnification
D.
micro propagation
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT X: Economic Botany
# TN 12th Botany
Prepare / Learn
Q3.
The reason for vegetatively reproducing crop plants to suit for maintaining hybrid vigour is that
A.
they are more resistant to disease
B.
once a desired hybrid produced, no chances of losing it
C.
they can be easily propagated
D.
they have a longer life span
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT X: Economic Botany
# TN 12th Botany
Prepare / Learn
Q4.
Wonder wheat is a new wheat variety developed by
A.
Mexico’s International Wheat and Maize improvement centre
B.
Indian National Botanical Research Institute
C.
Australian crop Improvement centre
D.
African Crop Improvement centre
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
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