1. What is botanical name of sugarcane?
Answer: Saccharum officinarum (Tropical cane) and Saccharum barberi (Indian cane)
2. Chemical use for treatment of seed borne diseases.
Answer:carbendazim @1g/lit. of water
3. Wild cane of sugarcane
Answer: Saccharum spontaneum  & Saccharum robustum
4. Sugarcane is propagated through
Answer:Setts
5. Insecticides recommended for control of top borer.
Answer:chlorantraniliprole 18.5 sc @375ml/ha
6.  Chemical use for weed control
Answer: Pre-emergence application of atrazine @ 1.5-2.0 kg/ha or metribuzine @ 1.0 kg/ha followed by 2, 4-D @ 0.75-1.0 kg/ha as post emergence
7. What is sucrose percent in sugarcane?
Answer: 13 – 24 %
8. Which stage is most critical for irrigation of sugarcane?
Answer; Formative stage
9. Time of germination of sugarcane
Answer: 30 – 60 Days
10. Time of maturity of sugarcane.
Answer: 250 – 365 Days
11. Formative stage of sugarcane comes after
Answer: 60 – 130 Days after Planting
12. Brix meter is used for measuring.
Answer: Maturity of Sugarcane
13. Sowing time of sugarcane in Bihar
Answer: sugarcane is planted twice a year in October – November (autumn) and February – March (spring).
14. Duration of sugarcane maturity in Bihar.
Answer: 10 – 12 months
15. Optimum soil pH required for sugarcane cultivation.
Anawer: 6.5 – 7.5
16. Suitable temperature requirement for sugarcane production.
Answer: 28 - 32°C
17. What is percentage average sugar recovery of sugarcane
Anawer: 11 %
18. What is byproduct of Sugarcane?
Anawer: Bagasse & Mollases
19. What is brix reading ranges for sugarcane maturity.
Anawer: 18 – 20 %
20. Propping & Wrapping in sugarcane is done to prevent
Anawer: Lodging
21. Earthing up in sugarcane is done in month.
Anawer: June  
22. Hormone used for sugarcane ripening is
Anawer: Ethephon / Glyphosate
23. Propping of sugarcane is done in the month.
Anawer: August
24. Row to Row spacing in sugarcane.
Anawer: 90 cm
25. Flowering in sugarcane is controlled using.
Anawer: Ethrel
26 What is Seed / Sett rate of sugarcane?
Anawer: approx 50 – 60 q/ha
 27. Which disease known as cancer of sugarcane?
Anawer: Red rot disease