Agriculture MCQs

2794 MCQs  (Page 220 of 280)

The term useful heterosis was first used by__________________?
A. Meredith and bridge (1972)
B. Richey (1914)
C. Jenkins (1935)
D. Hull (1950)
Top cross was first suggested by__________________?
A. Simmonds (1979)
B. East (1908)
C. Davenport (1908)
D. Davis (1927)
Heterosis can be fixed by___________________?
A. Apomixis
B. Polyploidy
C. Asexual reproduction
D. All the above