MCQ on Seed Technology for various Agriculture Exams Part - 50

1. The difference in flowering of the parents in hybrid seed production can be predicted at
   A. Seedling stage
   B. Flowering stage
   C. Booting stage
   D. Primordial initiation stage

2. The parent line which should not be taller than its counterpart in CGMS system
   A. B-line
   B. R-line
   C. F₁
   D. A-line

3. Hybrid seeds in maize is produced by
   A. Hand emasculation & Hand pollination
   B. Hand pollination without emasculation
   C. Insect pollination without emasculation
   D. Hand emasculation & wind pollination

4. The suppression of male flower and alternatively inducing femaleness is achieved by spraying
   A. Ethrel
   B. Nitrogen
   C. GA₃
   D. Boron

5. Which method is followed for maintenance and nucleus seed production in maize
   A. Open pollination
   B. Selfing
   C. Sib mating
   D. Random mating

6. Laxmi / SB 289E is the pedigree of hybrid
   A. NHH44
   B. Varalaxmi
   C. Jayalaxmi
   D. Vijayalaxmi

7. Restriction of Export and Import of Seeds was implemented through
   A. Seed Control Order, 1983
   B. The Seeds Act, 1966
   C. New Policy on Seed Development, 1988
   D. Seed Bill, 2004

8. AOSA member countries are
   A. USA, Canada, Australia and New Zealand
   B. USA and UK
   C. USA and Netherlands
   D. USA and Germany

9. Generally for fixing the lot size which of the crop is considered
   A. Soybean
   B. Maize
   C. Ground nut
   D. Wheat

10. As per ISTA Rules moisture content of the seed is expressed on the basis of
    A. Dry
    B. Wet and Dry
    C. Dry and Wet
    D. Wet

11. The chemicals used for osmotic stress test
    A. KH₂PO₄
    B. Sucrose
    C. Glycerol
    D. PEG and Mannitol