Boost your preparation for agriculture exams with the ‘Quiz: Assistant Agriculture Officer: Horticulture: 01.’ This quiz is designed to help students aspiring to become Agriculture Officers, Assistant Agriculture Officers, Agriculture Supervisors, and other related roles.
1. Which of the following practices is adopted to prevent 'greening' in Potato?
Closer Spacing
Earthing up
Early Sowing
Normal Sowing
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Correct Answer: Earthing up Earthing up helps prevent greening in potatoes. It covers the tubers, protecting them from light exposure which induces chlorophyll production.
2. Sugar-beet belongs to the family -
Chenopodiaceae
Pedaliaceae
Euphorbiaceae
Cruciferae
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Correct Answer: Chenopodiaceae Sugar-beet belongs to Chenopodiaceae family. This family is characterized by plants often found in saline or alkaline soils.
3. The deficiency of copper in plants causes which disease?
Die-back disease
Khaira disease
Whiptail disease
Early blight disease
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Correct Answer: Die-back disease Copper deficiency causes Die-back disease in plants. Die-back is characterized by the progressive death of twigs and branches from the tip.
4. GNG 2171 is an improved variety of -
Groundnut
Chickpea
Pearl millet
Mustard
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Correct Answer: Chickpea GNG 2171 is an improved variety of Chickpea. Chickpea is an important pulse crop in India, valued for its high protein content.
5. Which of the following is responsible for fruit ripening?
Gibberellins
Ethylene
Cytokinin
Abscisic Acid
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Correct Answer: Ethylene Ethylene is responsible for fruit ripening. It is a gaseous hormone that triggers a series of physiological changes in the fruit.
6. Match List I with List II and select the correct answer - List - I (i) Indole Butyric Acid (ii) Gibberellic Acid (iii) Zeatin (iv) Abscisic Acid List - II (a) Initiation of cell division (b) Stress hormone (c) Root initiation (d) Breaking dormancy
ic iid iii - a iv - b
ic iia iii – d iv - b
ic iib iii - a iv - d
ic iia iii – d iv - b
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Correct Answer: ic iid iii - a iv - b The correct match is: (i)-c, (ii)-d, (iii)-a, (iv)-b. These are plant hormones with diverse roles in growth and development.
7. Which vegetable is very deep rooted from following?
Pumpkin
Onion
Cabbage
Chilli
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Correct Answer: Pumpkin Pumpkin is a deep-rooted vegetable. This characteristic makes it relatively drought-tolerant.
8. Which type of seed bed is prepared mostly during winter season?
Raised nursery bed
Flat nursery bed
Sunken nursery bed
All of the above
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Correct Answer: Sunken nursery bed Sunken nursery beds are prepared in the winter season. They provide protection from frost and cold winds.
9. 'Pride of India' is a variety of -
Cabbage
Cauliflower
Brinjal
Chilli
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Correct Answer: Cabbage Pride of India is a variety of Cabbage. Cabbage is a cool-season vegetable crop.
10. 'Leaf curl' disease is caused by -
fungus
bacteria
virus
mycoplasma
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Correct Answer: virus Leaf curl disease is caused by a virus. These viruses are often transmitted by insect vectors like whiteflies.
11. Which is quick growing vegetable crop?
Cabbage
Cauliflower
Radish
Carrot
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Correct Answer: Radish Radish is a quick-growing vegetable crop. It is often used as a catch crop due to its short growing cycle.
12. Which is the most easy and popular method of planting of fruit plants?
Square system
Hexagonal system
Contour system
Quincunx system
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Correct Answer: Square system The square system is a popular method for planting fruit plants. It is simple to lay out and allows for easy orchard management.
13. Percentage of essential oil present in dry coriander seeds is -
0.1 to 1.0%
2.5 to 3.5%
4.0 to 5.0%
5.5 to 6.0%
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Correct Answer: 0.1 to 1.0% Dry coriander seeds contain 0.1 to 1.0% essential oil. This essential oil is responsible for coriander's distinct aroma and flavor.
14. Gladiolus is propagated by -
Bulb
Corm
Rhizome
Tuber
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Correct Answer: Corm Gladiolus is propagated by corms. A corm is a solid, swollen underground stem.
15. 'Fairy Ring' problem in lawn is caused by -
bacteria
airborne fungi
soilborne fungi
virus
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Correct Answer: soilborne fungi Fairy Ring in lawns is caused by soilborne fungi. These fungi decompose organic matter, creating distinct rings of altered grass growth.
16. Riceyness in cauliflower is due to -
low temperature
high temperature
high moisture
high rainfall
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Correct Answer: high temperature Riceyness in cauliflower is due to high temperature. It's a physiological disorder affecting curd quality.
17. 'Pusa Madhuras' is a variety of -
Watermelon
Round melon
Tinda
Long melon
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Correct Answer: Round melon Pusa Madhuras is a variety of Round melon. Round melon is also known as Indian squash.
18. 'Little leaf in Brinjal is transmitted by -
whitefly
fruit fly
leafhopper
aphid
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Correct Answer: leafhopper The disease is transmitted by leaf hopper (Cestius
(Hishimonus) phycitis and Amrasca biguttula biguttula).
19. 'Pusa All Green' is the variety of -
amaranthus
spinach
fenugreek
lettuce
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Correct Answer: amaranthus Pusa All Green is a variety of amaranthus. Amaranthus is a leafy green vegetable, rich in nutrients.
20. The pungency in chilli is due to -
rutin
capsaicin
lycopene
carotenoid
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Correct Answer: capsaicin Capsaicin causes the pungency in chilli. It is a chemical compound that stimulates the heat receptors in the mouth.
21. The best example of ethylene absorber in packaging is -
ferrous oxide
hydrated lime
potassium permanganate
Activated charcoal
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Correct Answer: potassium permanganate Potassium permanganate is an ethylene absorber in packaging. It oxidizes ethylene, slowing down ripening and spoilage of produce.
22. 'Surya' is variety of -
Grape
Papaya
Pomegranate
Aonla
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Correct Answer: Papaya Surya is a variety of Papaya. Papaya is a tropical fruit known for its digestive enzymes.
23. 'CA storages' are based on which system?
increase the O2 and reduced the CO2 concentration
reduced the O2 and increase the CO2 concentration
increase the Nitrogen and O2 concentration
increase the sulphur oxide and decrease CO2
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Correct Answer: reduced the O2 and increase the CO2 concentration CA storages reduce O2 and increase CO2 concentration. This controlled atmosphere slows down respiration and extends shelf life of stored produce.
24. The finished Jam should not be more than % invert sugar.
40 percent
20 percent
55 percent
67 percent
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Correct Answer: 67 percent Finished jam should not be more than 67% invert sugar. Invert sugar prevents crystallization and contributes to the jam's texture.
25. After processing, the cans should be cooled rapidly to about -
29°C
39°C
49°C
59°C
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Correct Answer: 39°C Cans should be cooled to about 39°C after processing. Rapid cooling prevents overcooking and microbial spoilage.
27. Which of the following is not a variety of Ginger?
Suprabha
Varada
Suruchi
Krishna
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Correct Answer: Krishna Krishna is not a variety of ginger. Ginger is a rhizome widely used as a spice and in traditional medicine.
28. Selective and complete removal of the part of plant is termed as -
Thinning
Notching
Heading back
Nicking
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Correct Answer: Thinning Selective removal of plant parts is called thinning. It is done to improve air circulation, light penetration, and fruit size.
29. Shree Ganesh in a hybrid of -
Marigold
Carrot
Gladiolus
Rose
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Correct Answer: Gladiolus Shree Ganesh is a hybrid of Gladiolus. Gladiolus is a popular ornamental flowering plant.
30. Chrysanthemum charm is a variety of -
Tagetes Erecta
Tagetes patula
Chrysanthemum
Rose
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Correct Answer: Tagetes Erecta Chrysanthemum charm is a variety of Tagetes Erecta. Tagetes Erecta is also known as African marigold.
31. Total horticultural crop production in India according to the year 2017-18 is -
189 million tonne
390 million tonne
311 million tonne
405 million tonne
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Correct Answer: 311 million tonne Total horticultural crop production in India according to the year 2017-18 is 311 million tonne.
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