11. Spectrophotometer works on the principle of
12. Kalyan Sona is the variety of
13. Humic acid is a fraction of humus, which is
14. Which one of the following crops has the highest consumption of pesticide
15. Para Wilt associated with
16. The formula $$\left( {\frac{{{\text{LER - 1}}}}{{{\text{LER}}}} \times {\text{Value}}\,{\text{of}}\,{\text{Combined}}\,{\text{Intercrop}}} \right)$$ represents
17. Match the column I (food gain product in sop) with column II (during 2003) and select correct answer:
Column I
Column II
a. Rice
1. 68.9 m. tonnes
b. Wheat
2. 77.7 m. tonnes
c. Coarse grain
3. 25.1 m. tonnes
d. Pulses
4. 11.5 m. tonnes
| Column I | Column II |
| a. Rice | 1. 68.9 m. tonnes |
| b. Wheat | 2. 77.7 m. tonnes |
| c. Coarse grain | 3. 25.1 m. tonnes |
| d. Pulses | 4. 11.5 m. tonnes |
18. For two equally competitive species, Aggressivity will be
19. Greenhouse effect causes
20. Directorate of Wheat Research (DWR) is located at
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