1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In Maize, hybrid vigour is exploited by-
A
Crossing of two inbred parental lines
B
Inducing mutations
C
Harvesting seeds from the most productive plants
D
Bombarding the protoplast with DNA
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Crop plants grown in monoculture are-
A
Characterised by poor root system
B
Highly prone to pests
C
Low in yield
D
Free from intraspecific competition
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In order to obtain virus-free plants through tissue culture the best method is-
A
Anther culture
B
Protoplast culture
C
Meristem culture
D
Embryo rescue
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Triticale, the first man-made cereal crop, has been obtained by crossing wheat with
A
Pearl millet
B
Sugarcane
C
Rye
D
Barley
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