Maize
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Question No. 1
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What is the botanical name for maize?
A.
Oryza sativa
B.
Zea mays
C.
Sorghum bicolour
D.
Pennisetum glaucum
Question No. 2
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Maize is believed to have originated from which country?
A.
China
B.
India
C.
Mexico
D.
Japan
Question No. 3
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What is the most critical stage for water requirement in maize?
A.
Tasselling stage
B.
Silking stage
C.
Both a and b
D.
Dough stage
Question No. 4
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Which herbicide is commonly used in maize cultivation?
A.
Atrazine
B.
Simazine
C.
Isoproturon
D.
2,4- D
Question No. 5
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Which was the first hybrid maize variety developed in India?
A.
Deccan-103
B.
Prabhat
C.
COH -3
D.
Ganga – 1
Question No. 6
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Who introduced the double cross technique for producing maize hybrids?
A.
N.E. Borlang
B.
D. F. Jones
C.
Mendal
D.
GH Shull
Question No. 7
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Which part of the maize plant first appears?
A.
Silk
B.
Leaves
C.
Tassel
D.
Nodes
Question No. 8
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Maize plants are biologically classified as what?
A.
Monoecious
B.
Diecious
C.
Hexaploid
D.
Tetraploid
Question No. 9
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What is the typical maximum root zone depth for maize?
A.
200-300 mm
B.
400-600 mm
C.
500-600 mm
D.
350- 450 mm
Question No. 10
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What is the approximate protein content of maize grain?
A.
10%
B.
8%
C.
12%
D.
11%
Question No. 11
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What is the total water requirement for maize during its growth cycle?
A.
400-500mm
B.
600- 800 mm
C.
500- 800 mm
D.
600- 700 mm
Question No. 12
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What is the recommended seed rate for hybrid maize per hectare?
A.
25 kg /ha
B.
20 kg/ha
C.
24 kg/ha
D.
26 kg/ha
Question No. 13
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Which type of maize is most widely cultivated in India?
A.
Pod corn
B.
Soft corn
C.
Flint corn
D.
Waxy corn
Question No. 14
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What is the average maize yield in India?
A.
1000 kg/ha
B.
1800 kg/ha
C.
2500 kg/ha
D.
4000 kg/ ha
Question No. 15
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Which maize cultivar performs well at low soil fertility levels?
A.
Pusa hybrid 1
B.
Pusa hybrid 2
C.
Both a and b
D.
Vivek 5
Question No. 16
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What is the optimum nitrogen requirement for hybrid and composite maize varieties, respectively?
A.
80, 120 kg / ha
B.
120 , 80 kg/ha
C.
100, 60 kg / ha
D.
60, 100 kg/ ha
Question No. 17
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The symptom of 'white bud' in maize is caused by the deficiency of which nutrient?
A.
Zn
B.
Cu
C.
Mo
D.
N
Question No. 18
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What is the critical period of weed competition in maize?
A.
0- 30 days
B.
30-45 days
C.
45- 60 days
D.
None of these
Question No. 19
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Rabi maize yields are often higher than Kharif maize yields because of which factors?
A.
Better water management is possible
B.
Better sunshine with extended duration
C.
Lower night temperature and reduced photorespiration
D.
All of these
Question No. 20
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In South India, which of the following crops can be intercropped with maize?
A.
Fenugreek
B.
Coriander
C.
Cluster bean
D.
All of these
Question No. 21
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Which type of maize is known for its early maturity?
A.
Dent corn
B.
Flint corn
C.
Pop corn
D.
Flour corn
Question No. 22
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What are the reasons for the higher yield of Rabi maize?
A.
Higher leaf area index
B.
Higher number of cobs / plant
C.
Higher number of grain / cob
D.
All of these
Question No. 23
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What is the typical consumptive use of water (mm/day) for a maize crop?
A.
1.0- 2.0
B.
2.0-3.0
C.
2.5- 4.3
D.
4.3- 6.0
Question No. 24
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Which maize varieties are rich in the essential amino acids lysine and tryptophan?
A.
Opaque -2
B.
Floury- 2
C.
Both a and b
D.
UZU
Question No. 25
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Which of these is a Quality Protein Maize (QPM) hybrid or composite released in India?
A.
Shaktiman 2
B.
HQPM 1
C.
Shakti 1
D.
All of these
Question No. 26
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The protein in maize is deficient in which two essential amino acids?
A.
Lysine
B.
Betadine
C.
Lysine and tryptophan
D.
Tryptophan
Question No. 27
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What is the optimal soil pH range for growing maize?
A.
4.5- 6.5
B.
6- 8.5
C.
5.5 – 7.5
D.
7.5 – 8.5
Question No. 28
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What is the typical protein percentage in maize grain?
A.
2
B.
5
C.
10
D.
9.2
Question No. 29
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Which maize variety has a high quantity of lysine?
A.
Shakti
B.
Vikram
C.
Jawahar
D.
Protina
Question No. 30
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Which cereal crop is known as the 'queen of cereals'?
A.
Rice
B.
Wheat
C.
Maize
D.
Barley
Question No. 31
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Which of the following crops is most sensitive to both excess moisture and drought?
A.
Direct seeded rice
B.
Maize
C.
Sunflower
D.
Sorghum
Question No. 32
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Maize tolerates Atrazine due to the presence of which enzyme?
A.
R-Q enzyme
B.
GSH enzyme
C.
Aryl acyl amidase
D.
Amylase
Question No. 33
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Which crop is cultivated in all three seasons (Kharif, Rabi, Zaid) in Uttar Pradesh?
A.
Urd
B.
Sorghum
C.
Maize
D.
Moong
Question No. 34
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Which of the following cereal crops does not produce tillers?
A.
Maize
B.
Wheat
C.
Barley
D.
Paddy
Question No. 35
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Which cereal crop's wild form no longer closely resembles its cultivated version?
A.
Maize
B.
Wheat
C.
Barley
D.
Paddy
Question No. 36
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Which crop is also known as the 'gold of America'?
A.
Maize
B.
Wheat
C.
Bajra
D.
Sorghum
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