This set of Agriculture Multiple Choice Questions & Answers (MCQs) focuses on “Crop Production – Rice – Set 2”.
1. Which of the following is the first rice variety to develop under India’s rice programme?
a) Jaya
b) Lata
c) Singh
d) Hema
View Answer
Explanation: The first variety under India’s rice programme was Jaya. It is the cross between T.N. – 1 (from Taiwan) × T – 141 (Indian variety). It out yielded T.N. – 1 & IR – 8 both hence it is called Miracle Rice in India.
2. Which of the following variety of rice gives yield under submerged condition?
a) CR – 1014
b) CR – 44
c) CR – 26
d) CR – 1012
View Answer
Explanation: The variety CR – 1014 which is a cross between T – 90 × Urang Urangan gives a yield of about 3 – 4 tonnes/ha under submerged conditions.
3. World’s first high yielding dwarf variety is ________
a) Pusa Basmati – 1
b) Pusa Basmati 2
c) Basmati 1
d) Lata
View Answer
Explanation: Pusa Basmati – 1 is the world’s first high yielding dwarf variety under quality rice. It has been developed from IARI through convergent breeding.
4. Which of the following is not a Deep water rice variety?
a) Chakia – 59
b) Jalamagan
c) Sabarmati
d) Jaladhi 1
View Answer
Explanation: Sabarmati is not a deep water rice variety. Deep water rice variety is those varieties which are capable of survival in submerged condition or when the water level is higher compared to normal conditions.
5. Which of the following element deficiency is seen in saline sodic soils and intensively cultivated areas?
a) Zn
b) Br
c) Mg
d) Na
View Answer
Explanation: Zinc (Zn) deficiency is the major problem in intensively cultivated areas and Saline-sodic soils. In normal soils apply Zinc Sulphate @40kg.
6. Which of the following variety is Fe tolerant?
a) Phalguna
b) Jaldhup
c) Jalmagan
d) Basamati
View Answer
Explanation: Iro toxicity is the major problem in highly acidic Utisols, Oxisols and acid-sulphate soils. Varietal tolerance is the only solution. Phalguna variety is a Fe tolerant variety.
7. Dapog method is used for cultivation of _______
a) Rice
b) Wheat
c) Maize
d) Barley
View Answer
Explanation: Dapog method of cultivation is used for cultivation of rice. It is prevalent in Japan and Philipines. Here seed rate is 2.5 times higher than other methods.
8. Which of the following is not a critical stage for water application?
a) Booting stage
b) Tillering stage
c) Flowering
d) Seeding
View Answer
Explanation: Booting stage is the most critical stage among the water critical stages. Tillering stage is important at 0 – 20 days and flowering stage at 50 – 60 days is also important.
9. What is the spacing in Kharif rice?
a) 25 × 25 cm
b) 30 × 30 cm
c) 20 × 15 cm
d) 10 × 10 cm
View Answer
In kharif season the optimum distance is 20 × 15 cm. The seedlings are 20 – 30 days old. Seedlings should have 3 – 4 leaves.
10. What is the ideal spacing in the Rabi rice?
a) 15 × 10
b) 10 × 10
c) 15 × 15 cm
d) 25 × 15 cm
View Answer
Explanation: The spacing in Rabi season is lower than Kharif season i.e. 15 × 15. This is due to the unfavourable condition in Rabi season we give plant more space for nutrient absorption, light interception etc.
Sanfoundry Global Education & Learning Series – Agriculture.
To practice all areas of Agriculture, here is complete set of Multiple Choice Questions and Answers.
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