MCQs on Cultivation of Sugarcane ( Saccharum officinerum )

1. What percentage of total sugar production is contributed by sugarcane?
1. 80%
2. 50%
3. 65%
4. 90% #
2. Which state is the largest grower and producer of sugarcane in India?
1. Maharashtra
2. Tamil Nadu
3. Uttar Pradesh #
4. Karnataka
3. What is the chromosome number of Saccharum officinarum, also known as Noble/Tropical cane?
1. 2n=80 #
2. 2n=82-114
3. 2n=60
4. 2n=100
4. Which method of planting sugarcane is best suited for sloped land and saline soil?
1. Flat Planting
2. Furrow Planting
3. Trench Planting
4. Ring-Pit Methods #
5. What is the optimal pH range for the growth of sugarcane?
1. 5.0 to 6.0
2. 4.5 to 5.5
3. 6.5 to 7.5 #
4. 7.0 to 8.0
6. During which stage is irrigation most critical for sugarcane cultivation?
1. Germination
2. Formative #
3. Growth
4. Maturity
7. What is the main use of bagasse, a by-product of sugarcane?
1. Cattle feed
2. Fuel, paper #
3. Fertilizer
4. Biogas production
8. What is the primary purpose of ratooning in sugarcane cultivation?
1. To improve soil fertility
2. To allow stubbles of harvested crop to sprout for the next crop #
3. To increase sugar content
4. To reduce water consumption
9. What is the optimal temperature for the sprouting of sugarcane ratoon?
1. Around 15°C
2. Around 20°C
3. Around 27°C #
4. Around 30°C
10. What percentage of total sugarcane production in India is used for making gur/jaggery?
1. 10-15%
2. 15-20% #
3. 20-25%
4. 25-30%