Agronomy MCQ Part 3
1. Normal row to row spacing of wheat is…..
A. 20-22.5 cm
B. 30-32 cm
C. 15-18 cm
D. 25-30 cm
Ans: A.
2. Norin dwarf wheat was discovered in Japan by……….
A. N.E. Borlaug
B. S.C. Salmon
C. Arthur Young
D. None of these
Ans: B.
3. Nursery area required to plant one hectare of Rice is………..
A. 1500 m2
B. 800 m2
C. 1200 m2
D. 100 m2
Ans: B.
4. First rice hybrid was developed in the world in china in the year…………
A. 1860
B. 1974
C. 1980
D. 1764
Ans: B. (Developed by Prof. Long Ping Yuan, known as father of hybrid Rice.)
5. Most important and widely used cropping system in India is……….
A. Rice-Rice
B. Rice-Pulse
C. Rice-wheat
D. Rice-Maize
Ans: C.
6. Which of the following wheat species is suitable for drought condition……………
A. Emmer wheat
B. Marconi wheat
C. Common bread wheat
D. All of these
Ans: B.
7. Test weight of wheat is………..
A. 80 gm
B. 20 gm
C. 60 gm
D. 40 gm
Ans: D. (weight of 1000 grains)
8. N.E Borlaug, an American agronomist (Known as father of Green revolution) was awarded Nobel prize in the field of……….
A. Medicine
B. Peace
C. Chemistry
D. Economics
E. None of these
Ans: B. (He was awarded the 1970 Nobel Peace Prize in recognition of his contributions to world peace through increasing food supply)
9. Critical stage for irrigation in wheat is…………..
A. Tillering
B. Flowering
C. Milking
D. Crown root initiation (CRI)
Ans: D.
10. Directorate of wheat research (DWR) is situated at………….
A. Karnal
B. Bangalore
C. New Delhi
D. Karnal
Ans. D.
11. First five-year plan in India was started in the year……………
A. 1951
B. 1955
C. 1957
D. 1960
Ans: A. (The First Five-year Plan was launched in 1951 by Jawaharlal Nehru which mainly focused in the development of the primary sector. It was based on the Harrod–Domar model with few modifications)
12. Food crop includes
A. Cereals
B. Pulses
C. Oilseeds
D. Both A & B
E. None of these
Ans: D.
13. Which of the following rice variety was developed by IRRI in the early 1960s…………………
A. IR8
B. Monalisa
C. Priya
D. Jaldhar
E. None of these
Ans: A. (IR8 is a high-yielding semi-dwarf rice variety developed by the International Rice Research Institute (IRRI) in the early 1960s. It was developed by an IRRI team consisting of Jennings, Hank Beachell, Akira Tanaka, T.T. Chang, S.K. De Datta, and Robert Chandler.)
14. Central rice research institute (CRRI) is located at……….
A. Varanasi
B. New Delhi
C. Cuttack
D. Hyderabad
Ans: C.
15. Which of the following is known as miracle rice in India?
A. IR 8
B. Jalpriya
C. Annapoorna
D. Pant Dhan1
Ans: A.
16. Rice inflorescence is known as…………..
A. Panicle
B. Arrow
C. Pod
D. Head
E. Ear
Ans: A.
17. World’s first high yielding basmati rice…………..
A. Basmati-370
B. Pusa Basmati 1
C. IR8
D. Jaya
Ans: B.
18. Which of the following rice sub-species is having dwarf in nature?
A. Javanica
B. Japonica
C. Indica
D. All of these
Ans: B.
19. Which one element is responsible for binding primary particle?
A. Ca
B. Na
C. Mg
D. K
E. S
Ans: A.
20. Origin of Rice?
A. Nepal
B. India-Burma
C. China
D. Brazil
Ans: B.
21. Most dominant mineral on the earth crust is……………
A. Tourmaline
B. Feldspar
C. Dolomite
D. Orthoclase
Ans: B.
22. Which of the following rocks almost cover 95% of earth’s crust?
A. Metamorphic rock
B. Sedimentary
C. Igneous rock
D. Basic rock
Ans: C.
23. Jute belongs to family………….
A. Gramineae
B. Solanaceae
C. Tiliaceae
D. Liliaceae
Ans: C.
24. Which of the following is the sweetest variety of mango?
A. Carabao mango
B. Sindhu
C. Amrapali
D. Alphonso
Ans: A. (As per the Guinness Book of World Records, the Carabao is the sweetest variety of mango grown in Philippines)
25. Which of the following is the sweetest variety of mango considered in India?
A. Sindhu
B. Amrapali
C. Alphonso
D. Chausa
Ans: D.
26. Akiochi disease of rice is due to toxicity of………………..
A. B
B. Ca
C. H2S
D. N
Ans: C.
See also…RICE DISEASE- SYMPTOMS & MANAGEMENT
27. Relative humidity is measured by……………
A. Anemometer
B. Psychrometer
C. Barometer
D. Altimeter
Ans: B.
28. The wonder variety of sugarcane is…………………..
A. Co 449
B. Co 0238
C. Ratna
D. All of these
Ans: B. (Co 0238 (Karan 4) is a high yielding and high sugar content variety, derived from the cross Co LK 8102 x Co 775.)
29. Largest producer of tea in the world is………….
A. China
B. India
C. Brazil
D. USA
Ans: A.
30. Origin of tomato is…………………..
A. Pakistan
B. UK
C. Peru
D. India
Ans: C.
31. Who is known as father of hybrid cotton?
A. B.P Pal
B. Arthor Young
C. C.T. Patel
D. None of these
Ans: C. (He developed the first commercial cotton hybrid, known as Hybrid-4 (Sankar-4), in 1970)
32. Grassy shoot disease in sugarcane is caused by……………..
A. Bacteria
B. Fungi
C. Virus
D. MLO
Read….SUGARCANE DISEASES- SYMPTOMS & CONTROL
Ans: D. (Sugarcane grassy shoot diseas is associated with ‘Candidatus Phytoplasma sacchari’ which are small, pleomorphic, pathogenic mycoplasma)
33. ICAR day is celebrated on…………..
A. 16 July
B. 26 July
C. 6 July
D. 9 July
Ans: A.
34. The term green revolution was coined by……………….
A. N.E. Borlaug
B. Wiliam S. Gaud
C. M.S. Swaminathan
D. C.T. Patel
Ans: B.
Read…GREEN REVOLUTION IN INDIA- ITS IMPACT
35. Cytokinin is mostly synthesized in……………
A. Stem
B. Root tips
C. Leaves
D. Grains
E. All of these
Ans: B.
36. Which of the following is acid igneous rock?
A. Basalt
B. Gabbro
C. Diabase
D. Granite
Ans: D. (Acid igneous rocks are Granite, sandstone, while basic rocks are basalt, gabbro, diabase, limestone)
37. National Academy of Agricultural Research Management (NAARM) is situated in………….
A. New Delhi
B. Hyderabad
C. Chennai
D. Varanasi
E. Manipur
Ans: B. (NAARM was established by the Indian Council of Agricultural Research (ICAR) at Hyderabad, in 1976, to address issues related to agricultural research and education management)
38. Nitrogen content in Ammonium sulphate is…………..
A. 25
B. 18
C. 21
D. 34
Ans: C. (N= 21%, S= 24%)
39. Who introduced the term Vitamin?
A. R.S bhatt
B. Funk
C. K.L Chaddha
D. None of them
Ans: B.
40. Which one is sweetest sugar?
A. Glucose
B. Galactose
C. Fructose
D. Lactase
E. Sucrose
Ans: C.
41. A line on a map connecting points having the same amount of rainfall in a given period is called?
A. Isohyet
B. Isobar
C. Isotherm
D. none of these
Ans: A.
42. National Agricultural Innovative Programme of ICAR was started in the year…………..
A. 2001
B. 2002
C. 2004
D. 2006
E. 2010
Ans: D. (The project was planned for 6 years and was launched on 26 July 2006)
43. 1 millibar is equal to………………
A. 100 pascals
B. 1000 pascals
C. 10000 pascals
D. None of these
Ans: A.
44. 1 atmosphere is equal to……………cm of water column.
A. 1032
B. 1200
C. 1323
D. 1099
E. None of these
Ans: A.
45. Triticale is cross between………..
A. Wheat and Barley
B. Wheat and Oat
C. Wheat and Rice
D. None of these
Ans: D. (Triticale is cross between Wheat and Rye)
46. What percentage of relative humidity is suitable for crops?
A. 20-30
B. 30-40
C. 40-60
D. 10-12
E. None of these
Ans: C.
47. What wind velocity is suitable for crops?
A. 4-6 km/hour
B. 10-12 km/hour
C. 12-14 km/hour
D. 20-22 km/hour
Ans: A.
48. Agronomy is related to study of principle and practices of ………………
A. Crop production
B. Field management
C. Both A & B
D. Soil mixture
Ans: C.
49. The chromosome number of rice is…………….
A. 10
B. 12
C. 15
D. 20
E. 24
Ans: E.
50. Hexaploid wheat possess………….chromosomes.
A. 42
B. 28
C. 24
D. 18
E. 48
Ans: A.