Agriculture MCQs

2794 MCQs  (Page 267 of 280)

The centre of origin of sunflower is__________?
A. East asia
B. North america
C. West africa
D. South america
Colour blindness is a________?
A. S*x linked trait
B. S*x influenced trait
C. S*x limited trait
D. None of above
Male sterility is absence of_________?
A. Functional pollen
B. Sterile pollen
C. Sterile anther
D. All of these
Self-incompatibility is controlled by_________?
A. Multiple alleles
B. Polygenes
C. Plasmogenes
D. Both b and c
Earliest method of plant breeding?
A. Introduction
B. Mutation
C. Hybridization
D. Selection
In acidic soil which form of phosphorus uptake by plants?
A. Primary orthophosphate
B. Secondary orthophosphate
C. Both
D. None of these
In alkaline soil which form of phosphorus uptake by plants?
A. Primary orthophosphate
B. Secondary orthophosphate
C. Both
D. None of these