MCQ on Seed Technology for various Agriculture Exams Part - 55

1. TZ test colour of living tissues of seed change to
   A. Yellow
   B. Green
   C. Red
   D. Blue

2. Effect of pollen grains on the material tissues e.g. on the fruit quality in date palm or the effect of foreign pollen on the endosperm colouration is called as
   A. Paramutation
   B. Metaxenia
   C. Penetrance
   D. Regulon

3. The crop in which the cooling germination test was normally used
   A. Cotton
   B. Wheat
   C. Soybean
   D. Amaranthes

4. A group of similar plants in structural features and performance is known as
   A. Clone
   B. Inbred line
   C. Variety
   D. Pure line

5. The heterosis estimated over the superior parent is known as
   A. Heterobeltiosis
   B. Clonal degeneration
   C. Standard heterosis
   D. Inbreeding depression
   Answer: A. Heterobeltiosis

6. National Bureau of Plant Genetic Resources is situated at
   A. Chennai
   B. Mumbai
   C. New Delhi
   D. Calcutta

7. 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 regeneration
   D. Heterobeltiosis