Horticulture JRF/SRF Test-1

This online quiz on Horticulture contains 85 carefully selected multiple choice questions based on the topic "Horticulture JRF/SRF Test-1". It is designed for students preparing for ICAR JRF, SRF, MSc, PhD and other agriculture competitive examinations, as well as state-level entrance tests. The questions focus on important concepts, frequently asked points and practical field applications so that you can quickly revise and evaluate your understanding. You will get 120 minutes to complete the test. Attempt the quiz, check the detailed explanations after submission and use it as a practice set to strengthen your preparation in Horticulture.

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Q1. Seed crops of coriander should be harvested when?

A) 10% turn yellow
B) 30% turn yellow
C) 50% turn yellow
D) 70% turn yellow

Q2. Rangpur lime suitability & resistance?

A) Both true
B) Both false
C) I true, II false
D) I false, II true

Q3. Pithiness occurs in which vegetable?

A) Radish
B) Tomato
C) Cucumber
D) Sweet potato

Q4. Which basmati variety has the highest export share?

A) Pusa 1121
B) Improved Pusa Basmati
C) Pusa Basmati-
D) Pusa 1509

Q5. What is the ancestor of cole crops?

A) B. oleracea capitata
B) B. oleracea sylvestris
C) B. oleracea italica
D) B. oleracea acephala

Q6. Softening in melting flesh peaches occurs at which stage?

A) First stage
B) Mid stage
C) Last stage
D) Senescence

Q7. Which vegetable is suited for saline soil?

A) Cabbage
B) Watermelon
C) Potato
D) Beet

Q8. Which chemical is used for gynoecious muskmelon maintenance?

A) MCEB
B) NAA
C) GA3
D) PCPA

Q9. Which fruit follows a double sigmoid growth curve?

A) Apple
B) Pear
C) Peach
D) Plum

Q10. Which is a foliage annual?

A) Kochia
B) Ice plant
C) Marigold
D) Zinnia

Q11. Which training system is known as the V-shape?

A) Vertical centre
B) Kniffin
C) Tatura trellis
D) Spindle bush

Q12. Solasodine is found in which plant?

A) Tomato
B) Brinjal
C) Garlic
D) Onion

Q13. Vegetable grafting is used to control which disease?

A) Fusarium wilt
B) Bud necrosis
C) Mites
D) Downy mildew

Q14. Girdling is common in which fruit?

A) Mango
B) Grapes
C) Papaya
D) Guava

Q15. Which mango rootstocks are salinity tolerant?

A) Vellai Kollumban
B) Rumani
C) Olour
D) Kurukkan & Olour

Q16. Which plant is known as the 'Flame of the Forest'?

A) Callistemon lanceolatus
B) Cassia fistula
C) Butea monosperma
D) Cassia javanica

Q17. Hollyhock and Sweet pea are used for?

A) Hanging basket
B) Screening
C) Oil extraction
D) Rockery

Q18. Which flower is most prone to red spider mite?

A) Carnation
B) Tuberose
C) Gladiolus
D) Calendula

Q19. VAM fungi are classified as?

A) Free-living
B) Obligate symbiont
C) Facultative
D) Obligate parasite

Q20. Where is the NBRI located?

A) New Delhi
B) Lucknow
C) Vadodara
D) Chennai

Q21. What is the optimum temperature for wheat sowing?

A) 22–23°C
B) 15–20°C
C) 25–27°C
D) 28–30°C

Q22. Remote sensing and GIS are essential for?

A) Integrated farming
B) Intensive farming
C) Precision farming
D) Mixed farming

Q23. A woody perennial with no trunk is called a?

A) Herb
B) Shrub
C) Tree
D) Annual

Q24. Windbreaks are usually placed in which direction?

A) SW
B) NE
C) SE
D) NW

Q25. Which was the first Hybrid Tea Rose?

A) La France
B) Pixie
C) Gold Star
D) Queen Elizabeth

Q26. The inflorescence type of banana is?

A) Thyrse
B) Catkin
C) Hypanthodium
D) Spadix

Q27. What is the process of removing field heat called?

A) Stratification
B) Hardening
C) Pulsing
D) Pre-cooling

Q28. The sex form of tapioca is?

A) Monoecious
B) Dioecious
C) Bisexual
D) Gynoecious

Q29. Which fruit is known as 'Mood food'?

A) Watermelon
B) Muskmelon
C) Red cherry
D) Date palm

Q30. The ZW-20 CP gene line is associated with which crop?

A) Cucumber
B) Summer squash
C) Watermelon
D) Muskmelon

Q31. Which crop is most prone to red spider mite?

A) Carnation
B) Tuberose
C) Gladiolus
D) Calendula

Q32. Which is the largest producer of bananas in India?

A) Karnataka
B) Maharashtra
C) Tamil Nadu
D) Gujarat

Q33. What is the best rootstock for citrus in India?

A) Rough lemon
B) Trifoliate orange
C) Rangpur lime
D) Cleopatra mandarin

Q34. Papaya is classified as?

A) Dioecious
B) Monoecious
C) Gynoecious
D) Andromonoecious

Q35. Mango flowering typically occurs in which season?

A) Summer
B) Winter
C) Spring
D) Autumn

Q36. Groundnut is classified as which type of plant?

A) C3 plant
B) C4 plant
C) CAM plant
D) None

Q37. What is the seed rate of wheat per hectare?

A) 40–50 kg
B) 100–125 kg
C) 150–170 kg
D) 5–10 kg

Q38. Which gas induces ripening in fruits?

A) CO2
B) Ethylene
C) NH3
D) NO2

Q39. Which fruit has the highest sugar content?

A) Grape
B) Banana
C) Date
D) Mango

Q40. What is the best storage temperature for apples?

A) 0°C to 4°C
B) 10°C
C) 15°C
D) 20°C

Q41. Okra is rich in which nutrient?

A) Protein
B) Iodine
C) Iron
D) Calcium

Q42. Which hormone is known as the flowering hormone?

A) ABA
B) Florigen
C) Cytokinin
D) Auxin

Q43. Mango fruits split due to deficiency of which nutrient?

A) Boron
B) Potassium
C) Zinc
D) Calcium

Q44. What is the ideal pH for tomato cultivation?

A) 5–6
B) 6–7
C) 7–8
D) 8–9

Q45. Which grape variety is seedless?

A) Thompson Seedless
B) Bangalore Blue
C) Anab-e-Shahi
D) Beauty Seedless

Q46. Amla is propagated by which method?

A) Softwood grafting
B) Seeds
C) Hardwood cutting
D) Layering

Q47. Which training system is best for grapes?

A) Bower
B) Kniffin
C) Head
D) Tatura

Q48. Drip irrigation can save what percentage of water?

A) 20%
B) 40%
C) 50–70%
D) 80%

Q49. Which mango variety is preferred for processing?

A) Totapuri
B) Chausa
C) Langra
D) Kesar

Q50. Which fruit is non-climacteric?

A) Banana
B) Tomato
C) Grape
D) Apple

Q51. Fruit cracking in pomegranate is caused by?

A) Boron deficiency
B) Calcium deficiency
C) Water stress
D) All

Q52. Potato greening is caused by?

A) Light
B) Moisture
C) Temperature
D) Chemicals

Q53. Which pulse has the highest protein content?

A) Moong
B) Urad
C) Soybean
D) Arhar

Q54. The best season for pea cultivation is?

A) Kharif
B) Rabi
C) Zaid
D) Summer

Q55. Which vegetable is rich in Vitamin A?

A) Carrot
B) Onion
C) Cabbage
D) Radish

Q56. The Golden Revolution is associated with?

A) Fruits
B) Honey
C) Oilseeds
D) Vegetables

Q57. Ber is classified as which type of fruit?

A) Tropical fruit
B) Temperate fruit
C) Subtropical
D) Cold desert

Q58. Litchi cracking is mainly caused by?

A) Temperature fluctuation
B) Boron deficiency
C) High humidity
D) Wind

Q59. Banana is propagated by?

A) Rhizome
B) Sucker
C) Bulb
D) Seed

Q60. Tomato blossom end rot is caused by a deficiency of?

A) Calcium
B) Boron
C) Potassium
D) Zinc

Q61. Chilling injury in bananas occurs due to?

A) Banana
B) Apple
C) Plum
D) Pear

Q62. Potato tubers are classified as?

A) Root
B) Stem
C) Leaf
D) Fruit

Q63. Sweetness in watermelon is due to which sugar?

A) Fructose
B) Sucrose
C) Glucose
D) Maltose

Q64. Which rootstock is used for apple trees?

A) MM-111
B) Olour
C) Rough lemon
D) Rangpur

Q65. Which country is the largest exporter of bananas?

A) India
B) Ecuador
C) Brazil
D) China

Q66. Which hormone promotes rooting?

A) GA3
B) IBA
C) Ethylene
D) ABA

Q67. What is the ideal pruning height for tea plants?

A) 30 cm
B) 45 cm
C) 60 cm
D) 90 cm

Q68. Cabbage is classified as which type of day plant?

A) Long-day
B) Short-day
C) Day-neutral
D) None

Q69. Guava seed viability lasts for how long?

A) 6 months
B) 1 year
C) 2 years
D) 3 years

Q70. Citrus tristeza virus is transmitted by?

A) Aphids
B) Whiteflies
C) Mites
D) Thrips

Q71. Which fruit is known as the 'King of fruits'?

A) Banana
B) Mango
C) Apple
D) Grape

Q72. Which is the best intercrop for coconut plantations?

A) Pineapple
B) Potato
C) Sugarcane
D) Maize

Q73. Tomato fruit cracking is mainly due to?

A) Irregular irrigation
B) High humidity
C) Pruning
D) Light

Q74. Which fruit is known as the 'Queen of fruits'?

A) Litchi
B) Mangosteen
C) Strawberry
D) Grapes

Q75. Seed dormancy in paddy is broken by?

A) GA3
B) KNO3
C) H2SO4
D) Cold treatment

Q76. Which fruit is climacteric?

A) Grape
B) Litchi
C) Banana
D) Pineapple

Q77. Which vitamin is abundant in amla?

A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

Q78. Mango malformation is caused by?

A) Fungus
B) Bacteria
C) Virus
D) Mite

Q79. What is the best soil type for potato cultivation?

A) Sandy loam
B) Clay
C) Black soil
D) Red soil

Q80. Which nutrient deficiency causes marginal scorching in leaves?

A) Chlorosis
B) Marginal scorching
C) Wilting
D) Brittle leaves

Q81. What is the spacing requirement for cotton plants?

A) 30×30 cm
B) 60×30 cm
C) 75×60 cm
D) 90×90 cm

Q82. Rice inflorescence is classified as?

A) Panicle
B) Spike
C) Raceme
D) Spadix

Q83. Wheat belongs to which plant family?

A) Gramineae
B) Solanaceae
C) Malvaceae
D) Leguminosae

Q84. Which gas is used to induce ripening in fruits?

A) CO2
B) Ethylene
C) NH3
D) NO2

Q85. Which nutrient is okra rich in?

A) Protein
B) Iodine
C) Iron
D) Calcium