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MEDIUM
ENGLISH
Agriculture
The chromoplast develops mainly from__________________?
A
Leucoplast
Option A
B
Chloroplast
Option B
C
Phagoplast
Option C
D
Amyloplast
Option D
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MEDIUM
ENGLISH
Agriculture
which one of the following is climacteric fruit_____________________?
A
Grape
Option A
B
Banana
Option B
C
Lemon
Option C
D
Pineapple
Option D
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MEDIUM
ENGLISH
Agriculture
Degradation of green colour of fruits is due to___________________?
A
pH changes
Option A
B
Oxidative system
Option B
C
Chloroplry lases
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Eating quality of the fruits is determined by_____________________?
A
Flavor
Option A
B
Texture
Option B
C
Physiological age
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
The activity of enzymes in fruits usually decline at temperature___________________?
A
Above 10ºC
Option A
B
Above 20ºC
Option B
C
Above 30ºC
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Low temperature in climacteric fruits causes delay in________________________?
A
Ripening
Option A
B
Harvesting
Option B
C
Conversion of sugar to starch
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The storage life of fresh mango at -1 to 4ºc is_________________________?
A
0-4 weeks
Option A
B
1-4 weeks
Option B
C
1-2 weeks
Option C
D
2-4 weeks
Option D
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MEDIUM
ENGLISH
Agriculture
The storage life of fresh apples at -1 to -4ºc is______________________?
A
4-10 weeks
Option A
B
10-20 weeks
Option B
C
8-30 weeks
Option C
D
20-25 weeks
Option D
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MEDIUM
ENGLISH
Agriculture
The storage life of fresh onion at -1 to -4ºC is____________________?
A
10-15 weeks
Option A
B
10-25 weeks
Option B
C
12-28 weeks
Option C
D
12-25 weeks
Option D
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MEDIUM
ENGLISH
Agriculture
Mango fruit can best be cooled by means of___________________?
A
Cold air cooling
Option A
B
Hydro cooling
Option B
C
Vacuum cooling
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Fruits ripen better at a relative humidity of at least________________________?
A
70%
Option A
B
80%
Option B
C
85%
Option C
D
90%
Option D
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MEDIUM
ENGLISH
Agriculture
Chilling injury in fruits occurs due to__________________?
A
Accumulation of ethanol
Option A
B
Accumulation of acetaldehyde
Option B
C
Accumulation of toxic compounds
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
The main function of auxin is_____________________?
A
Cell division
Option A
B
Cell elongation
Option B
C
Cell differentiation
Option C
D
Cell production
Option D
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MEDIUM
ENGLISH
Agriculture
The process that convert glucose to pyruvic acid is____________________?
A
Citric cycle
Option A
B
Glycolysis
Option B
C
Fermentation
Option C
D
Calvin-Benson cycle
Option D
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MEDIUM
ENGLISH
Agriculture
The size of stomata is measured by___________________?
A
Potometer
Option A
B
Porometer
Option B
C
Spectrophotometer
Option C
D
Atomic absorption Spectrophotometer
Option D
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MEDIUM
ENGLISH
Agriculture
What are the products of fermentation of grapes by yeast________________?
A
CO & alcohol
Option A
B
ATP & CO2
Option B
C
ATP & Ethanol
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Plant gums and mucilages are__________________?
A
Disaccharides
Option A
B
Monosaccharides
Option B
C
Monosaccharides
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Proteins fails to work______________________?
A
With acidic pH
Option A
B
With out acidic pH
Option B
C
With basic pH
Option C
D
With out basic pH
Option D
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MEDIUM
ENGLISH
Agriculture
The term vernalization was first used in 1928 by____________________?
A
Chailakhian
Option A
B
Gassner
Option B
C
Lysenko
Option C
D
Wrinkker
Option D
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MEDIUM
ENGLISH
Agriculture
The one reason of unfruitfulness in fruits may be:__________?
A
Heterostyly
Option A
B
Compatibility
Option B
C
Monoecy
Option C
D
None of above
Option D
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