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.Management Sciences
Category: Plant Breeding and Genetics
As a result of linkage and crossingover _____________________?
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A. Chromatids become chromosomes
B. Nuclear division come to close
C. Chromosomes become half in number
D. Exchange of chromosomal material
Hereditary variations in plants have been produced by the use of________________?
A. DDT
B. X-rays
C. Gibberrellic acid
D. Auxins
A mutation which kills 50% of the individual that carry the mutation is known as_________________?
A. Lethal mutation
B. Sub lethal mutation
C. Vital mutation
D. Sub-vital mutation
Dispersal of seeds by parachute mechanism is present in__________________?
A. Onion
B. Tomato
C. Cotton
D. Sorghum
Two allelie genes are located on_______________________?
A. Two homologous chromosomes
B. Two non homologous chromosomes
C. Any two chromosomes with one each
D. Same chromosomes
Artificial vegetative reproduction is done by_________________?
A. Grafting
B. Budding
C. Layering
D. All the above
The most recent evolved plant group is ____________________?
A. Confers
B. Mosses
C. grasses
D. Gymnosperm
In green vegetables, the limiting amino acids is__________________?
A. Methionine
B. Arginine
C. Lysine
D. Trytophan
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