MCQ on Genetics and Plant Breeding for various Agriculture Exams Part - 9

1. The main objective of ISTA is
A. Find out the best performing lab in the world
B. Ranking of STLs
C. Punish the poor performing labs
D. Uniformity in seed testing

2. As per ISTA, the minimum number of seeds in the working sample should be at least
A. 2500 seeds
B. 5000 seeds
C. 10000 seeds
D. 25000 seeds

3. The act samples are drawn by
A. Seed certification officer
B. Seed inspectors
C. Farmer himself
D. Agriculture officers

4. Which of the following dividers works on the principle of gravity
A. Boerner divider
B. Soil type divider
C. Gamet divider
D. Random cup method

5. Retesting during moisture estimation should be carried out when the difference between the replications is more than
A. 0.10
B. 0.02
C. 0.01
D. 0.20

6. The validity period for an ISTA accredited laboratory is for
A. 1 years
B. 3 years
C. 5 years
D. 10 years

7. ODV test is mainly conducted for
A. Cotton
B. Rice
C. Onion
D. Chilli

8. In paddy the first and final count days for seed germination is
A. 4 & 10
B. 4 & 21
C. 4 & 14
D. 5 & 14

9. The minimum germination standard required for Maize is
A. 85 %
B. 80 %
C. 90 %
D. 75 %

10. Phosphine gas produced during fumigation is heavier than the air by
A. 2 times
B. 3 times
C. 4 times
D. 5 times