MCQ on Seed Technology for various Agriculture Exams Part - 24

1. The name of the father of the hybrid rice is
   A. M. S. Swaminathan
   B. Tia Zhung
   C. Yuan Long Ping
   D. Borlaug Norman

2. The first cytokinin identified in plants is called as
   A. Zeatin
   B. Protein
   C. Glutenin
   D. Lycopene

3. The percentage of amylase present in a starch grain is nearly
   A. 1 – 2 %
   B. 40 – 45 %
   C. 20 – 25 %
   D. 38 – 42 %

4. Which one of the following is the biochemical deterioration of seed?
   A. Loss of weight
   B. Free radical production
   C. Loss of germination
   D. Loss of vigour

5. The first generation resulting from crossing of two inbreds is
   A. Hybrid
   B. Synthesis
   C. Composites
   D. Variety

6. The first generation resulting from the controlled crossing of an approved inbred line and open pollinated variety is
   A. Single cross
   B. Double cross
   C. Top cross
   D. Four way cross

7. The cross between parents differing in a single gene is
   A. Double hybrid
   B. Mono hybrid
   C. Single cross hybrid
   D. Triple cross hybrid

8. The superiority of an F1 hybrid over both its parents in terms of yield and some other characters is defined as
   A. Inbreeding depression
   B. Heterosis
   C. Clonal degeneration
   D. Heterobeltiosis