Cross of F1 hybrid with either parent is called:
A.Test cross
B.Single cross
C.Back cross
D.None of them
Category: Agriculture Genetics Plant Breeding and Biotechnology Mcqs
An organism with one extra chromosome (2n + 1), is instead of the normal diploid (2n) is known as:
A.Monoploid
B.Monosomic
C.Trisomic
D.Tetrasonic
Actual petrified remains of ancient plants and animals or impressions left by them in rocks are called:
A.Fossils
B.Models
C.Traces
D.None of the above
According to position of the ovule within the ovary, an ovule may be:
A.Ascending
B.Pendulous
C.Suspended
D.All of the above
Composites are developed by using:
A.Advanced generation seed mixtures obtained from high yielding intervarietal or interracial crosses
B.Hybrid directly from intervarietal crosses
C.Recurrent selection for specific combining ability
D.The hybrid of an inbred with an open-pollinated variety
An association can be:
A.Hydrophytic
B.Halophytic
C.Xerophytic
D.All of the above
Cliestogamy encourages:
A.Self pollination
B.Cross pollination
C.Apomixes
D.Inbreeding depression
