MCQ on Seed Technology for various Agriculture Exams Part - 23

 The progeny obtained by hybridization between two or more genetically dissimilar individuals, strains, pure lines etc., is called as

A. Embryo

B. Explant

C. Cybrid

D. Hybrid

The reduction or loss in vigour and fertility as a result of inbreeding is called as

A. Heritability

B. Inbreeding depression

C. Heterosis

D. Cybrid line

Progeny of a single homozygous plant of a self-pollinated species is called as

A. Dihybrid

B. Pure line

C. Inbred

D. Monohybrid

The variety produced by crossing in all combination of a number of lines that combine well with each other is called as

A. Varietal mixtures

B. Hybrid variety

C. Composite variety

D. Synthetic variety

The male sterile parent is crossed with one of the following lines to produce hybrid line

A. A line

B. B line

C. R line

D. C line

Hybrid rice seed production is carried out by

A. One line system

B. Multi line system

C. Three line system

D. Four line system

The first generation progeny of a cross between two single cross hybrids

A. Single cross hybrid

B. Double cross hybrid

C. Back cross hybrid

D. Three way cross hybrid