The CRI stage in wheat
Question 01.Which one of the following is the CRI stage in wheat?
(a). 18 days after sowing.
(b). 21 days after sowing.
(c). 24 days after sowing.
(d). 15 days after sowing.
Answer: The CRI stage in Wheat is 21 DAS (21 days after sowing). In multiple choice objective question, you will see the options having 21 days after sowing.
CRI = Crown Root Stage.
Also Read: Agronomy MCQ and Answer
Another questions from the same topic:
Question 02. Which one is the active tillering stage in wheat?
(a). 20 – 25 days after sowing..
(b). 25 – 30 days after sowing.
(c). 35 – 40 days after sowing.
(d). 40 – 50 days after sowing.
Answer: The active tillering stage in wheat is 35 – 40 days after sowing. This stage also requires irrigation.
Question 03. Which one is the flowering stage in whea?
(a). 50 – 55 days after sowing.
(b). 55 – 65 days after sowing.
(c). 65 – 70 days after sowing.
(d). 70 – 75 days after sowing.
Answer: The flowering stage in wheat is 50 – 55 days after sowing. Normally, pest population is high at this stage.
Question 04. Which one is the grain filling stage in wheat?
(a). 70 – 75 days after sowing.
(b). 80 – 90 days after sowing.
(c). 90 – 100 days after sowing.
(d). 100 – 105 days after sowing.
Answer: The grain filling stage in wheat is 70 – 75 days after sowing. It is the most economical stage. Unfilled grain may cause significant loss in yield.
Among 4 questions, the first question ‘The CRI stage in wheat’ is the most important question.
| Type | Multiple choice objective questions |
| Last updated | 23/12/2021 |
Other questions from wheat:
Question 01. The scientific name of the common wheat is …., and it is a..?
(a). Triticum aestivum, hexaploid.
(b). Triticum aestivum, tetraploid.
(c). Triticum aestivum, triploid.
(d). Triticum aestivum, diploid.
Answer: The scientific name of the common wheat is Triticum aestivum, and it is a heclxaploiad. Its 2n number is 42. 2n = 6x = 42.
Question 02. By which scientist was Norin 10 the semi dwarf wheat variety bred?
(a). Norman Borlaug.
(b). Gonjiro Inazuka.
(c). Henry A. Wallace.
(d). George H. Shull.
Answer: Nirin 10, the semi dwarf wheat variety was bred by Gonjiro Inazuka. The origin place is Japan. It grows to just 2 feet tall.
Question 03. At which city is the Indian Institute of Wheat and Barley Research located?
(a). Jabalpur, Madhya Pradesh.
(b). Pusa, New Delhi.
(c). Karnal, Haryana.
(d). Coimbatore, Tamil Nadu.
Answer: The Indian Institute of Wheat and Barley Research is located at Karnal, Haryana.
Mission or obctives of IIWBR is “Ensuring food security of India by enhancing the productivity and profitability of wheat and barley on an ecologically and economically sustainable basis and making India the world leader in wheat production” – IIWBR
See IIWBR location on Google Earth
Question 04. What is the optimum cardinal temperature for wheat?
(a). 22 °C.
(b). 21 °C.
(c). 18 °C.
(d). 25 °C.
Answer: The optimum cardinal temperature for wheat is 25 °C.
The minimum cardinal temperature is 3 – 4 °C.
The maximum cardinal temperature is 30 – 32 ° C.
Question 05. Which is marconi wheat?
(a). T. aestivum.
(b). T. durum.
(c). T. compactum.
(d). None of the above.
Answer: T. durum or Triticum durum is marconi wheat. Triticum aestivum is bread wheat, while Triticum compactum is club wheat.
Also Read: Agriculture Multiple Choice Objective Questions
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Subject: Agronomy (Agriculture)
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