Horticulture JRF/SRF Test-10

This online quiz on Horticulture contains 100 carefully selected multiple choice questions based on the topic "Horticulture JRF/SRF Test-10". It is especially useful for students preparing for ICAR JRF, SRF, PG entrance, PhD entrance and other agriculture competitive examinations, as well as state-level recruitment tests. The questions focus on frequently asked points, fundamentals and field-oriented concepts so that you can revise quickly and assess your understanding. You will get 90 minutes to complete the test. Attempt the quiz, check explanations after submission and use it as a practice set to strengthen your preparation in Horticulture.

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Q1. What is the color of the tag for truthful labelled seed?

A) Orange
B) Red
C) Golden yellow
D) Opal Green

Q2. Arka Rakshak is a popular variety of which crop?

A) Tomato
B) Chilli
C) Capsicum
D) Brinjal

Q3. What is the botanical name of lesser yam?

A) Dioscorea esculenta
B) Dioscorea alata
C) Dioscorea rotundata
D) Dioscorea bulbifera

Q4. Which crop has the maximum hybrid area in India?

A) Musk melon
B) Cabbage
C) Tomato
D) Chilli

Q5. Which compound is found in curry leaf?

A) Koenigine
B) Cineole
C) Linalool
D) Limone

Q6. Below what temperature do okra seeds fail to germinate?

A) 12°C
B) 15°C
C) 10°C
D) 17°C

Q7. What type of bulb does an onion have?

A) Tunicate bulb
B) Flat bulb
C) Round bulb
D) Imbricate bulb

Q8. What is the molybdenum deficiency disorder in cauliflower?

A) Leafiness
B) Pinking
C) Whiptail
D) Browning

Q9. What is the active ingredient in Ashwagandha?

A) Serpentine
B) Digitoxin
C) Withanine
D) Saponins

Q10. What causes pungency in onion?

A) Glycoalkaloids
B) Capsaicin
C) Allyl propyl disulphide
D) Cucurbitacin

Q11. Which fruit provides protection against sunstroke?

A) Tomato
B) Onion
C) Watermelon
D) Cucumber

Q12. The Diamond Back Moth is a serious pest of which crop?

A) Tomato
B) Chilli
C) Onion
D) Cauliflower

Q13. Which part of liquorice is used medicinally?

A) Seeds
B) Shoots
C) Fruits
D) Roots

Q14. Which flowering tree is suited for planting near ponds?

A) Callistemon lanceolatus
B) Delonix regia
C) Cassia renigera
D) Cordia sebestina

Q15. What is the wavelength range of the visible light spectrum?

A) 700–800 nm
B) 880–900 nm
C) 200–300 nm
D) 380–700 nm

Q16. What does VRT stand for in agriculture?

A) Variable rights technology
B) Variety rate technology
C) Variable Rate Technology
D) Variety rights technology

Q17. Who declared 2021 as the International Year of Fruits & Vegetables?

A) UN
B) FAO
C) WVC
D) WTO

Q18. Fe deficiency leads to which condition in gerbera?

A) Boron
B) Copper
C) Iron
D) Zinc

Q19. Which nutrient is immobile in plants?

A) Mg
B) K
C) Ca
D) P

Q20. At what pH is phosphorus most available to plants?

A) pH 6–7
B) pH 7–8
C) pH –5
D) pH 5–6

Q21. How is fruit firmness measured?

A) Refractometer
B) Penetrometer
C) Pycnometer
D) Tenderometer

Q22. What does the Marquis reagent test for?

A) Flavour
B) Capsanthin
C) Vitamin C
D) Pungency

Q23. Which Ikebana style is used for tall vases?

A) Moribana
B) Morimono
C) Nagiere
D) Rikka

Q24. What is a common disease in crucifers, radish, and sweet potato?

A) Black rot
B) White rot
C) Club root
D) Root rot

Q25. What is the first indigenous hybrid cabbage?

A) KGMR-
B) Goody Ball-
C) Pusa Hybrid-
D) Pride of India

Q26. Which bean is herkogamous?

A) Indian bean
B) Hyacinth bean
C) Cluster bean
D) Lima bean

Q27. Which is a fragrant flowering shrub?

A) Mussaenda
B) Murraya exotica
C) Meynia erecta
D) Murraya koenigi

Q28. Which Chrysanthemum variety does not require pinching/staking?

A) Apsara
B) Birbal Sahini
C) Guldasta
D) Jayanthi

Q29. Elephant Foot Yam is rich in which vitamins?

A) Vitamin A & B
B) Vitamin B & C
C) Vitamin C & D
D) Only B

Q30. What type of fruit is brinjal?

A) Pepo
B) Siliqua
C) Berry
D) Pod

Q31. What is the safe solanine level per 100g of potato?

A) 12 mg
B) 8 mg
C) 16 mg
D) 20 mg

Q32. What type of epistasis interaction causes heterosis?

A) Dominance × Dominance & Additive × Additive
B) Dominance × Dominance
C) Additive × Dominance
D) Additive × Additive

Q33. What is the ideal storage temperature for low sugar potatoes?

A) 5°C
B) 10°C
C) 15°C
D) 20°C

Q34. What is the first unit of classification in taxonomy?

A) Class
B) Kingdom
C) Family
D) Order

Q35. Who is known as the father of canning?

A) Nicholas Appert
B) Saddington
C) S. Roy
D) Peter Durand

Q36. What is the process of drying onion in the field called?

A) Drying
B) Curing
C) Winnowing
D) Disinfecting

Q37. Which vegetable is NOT blanched before drying?

A) Cauliflower
B) Palak
C) Onion
D) Tomato

Q38. Which enzyme causes enzymatic browning?

A) Polyphenol oxidase
B) Pectinase
C) Phenolase
D) Cellulase

Q39. Pungency in radish increases with what condition?

A) Delayed sowing
B) Early sowing
C) Long dry conditions
D) Maturity

Q40. What is a double cross hybrid of sweet potato?

A) Varsha & Gouri
B) Sankar
C) Varsha
D) Gouri

Q41. What is the male to female ratio in cole hybrid seed production?

A) 1:1
B) 5:1
C) 8:1
D) 10:1

Q42. Which organization registered the 'VEGFAST' trademark?

A) ICAR-IIHR
B) ICAR-IIVR
C) ICAR-CPRI
D) ICAR-IARI

Q43. Where is the Indian Lac Research Institute located?

A) Rajasthan
B) Uttar Pradesh
C) Madhya Pradesh
D) Jharkhand

Q44. Which plant is a long day plant?

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

Q45. What is the process of drying cocoon to kill pupae called?

A) Crushing
B) Finishing
C) Stifling
D) Testing

Q46. What is a colony of bees called?

A) Family
B) Super army
C) Super organism
D) Super colony

Q47. How do seedlings grown in darkness compare to those grown in light?

A) Taller than light-grown
B) Similar to light-grown
C) Same size
D) Healthier

Q48. Where does vernalization occur in plants?

A) Shoot apex
B) Cotyledon
C) Flower bud
D) Root apex

Q49. How is sex determined in pointed gourd?

A) Heteromorphic pair (male)
B) Environment
C) Heteromorphic pair (female)
D) Soil nitrogen

Q50. Which variety of brinjal is long and green?

A) Pant Rituraj
B) Azad Kranti
C) Arka Shirish
D) Pant Samrat

Q51. When was the Biodiversity Act passed in India?

A) 1992
B) 1996
C) 2000
D) 2002

Q52. Who coined the term 'ecosystem'?

A) Tansley
B) Ernst Haeckel
C) Darwin
D) Welming

Q53. At what stage should Dendrobium be harvested?

A) 75% florets open
B) 95% florets open
C) 25% florets open
D) 50% florets open

Q54. What is the system called where crops are grown with trees?

A) Silvicultural
B) Agri-silvicultural
C) Agrisilvipastoral
D) Agro-treeculture

Q55. Who introduced the Taungya system?

A) Mr. Williams
B) Dr. Brandis
C) Dr. Cheema
D) Tansley

Q56. What is the water percentage in leafy vegetables and melons?

A) 70–80
B) 92–95
C) 50
D) 40

Q57. Which fruit is known for polyembryony?

A) Guava
B) Lime
C) Jamun
D) Sapota

Q58. Which fruit is richest in riboflavin?

A) Bael
B) Aonla
C) Jamun
D) Ber

Q59. Which fruit is richest in iron?

A) Aonla
B) Jamun
C) Dry Karonda
D) Mango

Q60. What is the botanical type of date palm fruit?

A) Drupe
B) Berry
C) Sorosis
D) Pome

Q61. What is the origin of Carissa carandus?

A) Iraq
B) India
C) Iran
D) South America

Q62. Which crop is affected by the shoot gall maker pest?

A) Aonla
B) Custard apple
C) Bael
D) Jamun

Q63. Which fruit crop belongs to the Tiliaceae family?

A) Phalsa
B) Jamun
C) Ber
D) Aonla

Q64. Paras is a variety of which fruit?

A) Ber
B) Phalsa
C) Jamun
D) Karonda

Q65. NB-5 is a variety of which fruit?

A) Bael
B) Ber
C) Phalsa
D) Aonla

Q66. Tomato leaf curl is transmitted by which insect?

A) Whitefly
B) Aphids
C) Thrips
D) Leaf hopper

Q67. Which is a late variety of ber?

A) Umran
B) Gola
C) Elaichi
D) Mehrun

Q68. Which potato variety is suitable for processing?

A) Kufri Deva
B) Kufri Chipsona-
C) Kufri Jawahar
D) Kufri Ashoka

Q69. What caused the Irish famine?

A) Late blight (Potato)
B) Brown leaf spot
C) Early blight
D) Blast

Q70. Which fruit crop is gynodioecious?

A) Grape
B) Kokam
C) Fig
D) Bael

Q71. Which planting system accommodates the maximum number of plants?

A) Triangular
B) Hexagonal
C) Square
D) None

Q72. How is ET (evapotranspiration) measured?

A) Tensiometer
B) Neutron moisture meter
C) Lysimeter
D) Irrometer

Q73. Methionine is a precursor of which compound?

A) Protein
B) Ethylene
C) Vitamin
D) IAA

Q74. BER in tomato and bitter pit in apple are due to the deficiency of which nutrient?

A) Calcium deficiency
B) Molybdenum deficiency
C) Boron deficiency
D) Magnesium deficiency

Q75. Which fruit is effective for diabetes?

A) Syzygium cumini
B) Carissa carandas
C) Grewia subinequalis
D) Averrhoa carambola

Q76. Which garden style is known as 'nature in miniature'?

A) Japanese
B) French
C) Italian
D) English

Q77. Mridula pomegranate is a hybrid of which varieties?

A) Alandi × Jyoti
B) Ganesh × Gul-e-Shah Red
C) Gul-e-Shah Red × Ruby
D) Yercaud × Gul-e-Shah Red

Q78. Which fruit belongs to the Cactaceae family?

A) Aonla
B) Bael
C) Jamun
D) Dragon fruit

Q79. Where is the first organic farming university located?

A) Gujarat
B) Karnataka
C) Sikkim
D) Himachal Pradesh

Q80. What is a moon cactus?

A) A grafted cactus
B) Crescent shaped
C) Round shaped
D) Night blooming cactus

Q81. What is Brahma Kamal scientifically known as?

A) Saussurea obvallata
B) Hylocereus undatus
C) Epiphyllum oxypetalum
D) Hylocereus megalanthus

Q82. Who coined the term 'bio-aesthetic planning'?

A) Prof. Thomas Chandeller
B) Prof. Lancelot Hogben
C) Prof. Rachel Scott
D) Prof. Danny Green

Q83. Which is not a Japanese garden type?

A) Rock garden
B) Passage garden
C) Tea garden
D) Sand garden

Q84. What are orchids grown on trees called?

A) Terrestrial
B) Lithophytes
C) Saprophytes
D) Epiphytes

Q85. Which chemicals induce male sterility?

A) Growth retardants
B) Mutagens
C) Gametocides
D) Herbicide

Q86. What is enology related to?

A) Apple
B) Cashew
C) Grape
D) Pear

Q87. Which insect has rasping and sucking mouthparts?

A) Aphid
B) Thrips
C) Bug
D) Butterfly

Q88. When is International Forest Day celebrated?

A) 21 March
B) 5 June
C) 16 September
D) 21 December

Q89. Who proposed the double helix model of DNA?

A) Embden & Meyerhof
B) Beadle & Tatum
C) Watson & Crick
D) Calvin & Benson

Q90. Which organization governs international plant introduction?

A) NBPGR
B) IPGRI
C) NSC
D) Biodiversity International

Q91. What is the best method for oligogenic transfer?

A) Pedigree breeding
B) Bulk breeding
C) Pureline breeding
D) Backcross breeding

Q92. What is an essential feature of polyethylene film?

A) UV stabilization
B) Clarity
C) Elasticity
D) Flexibility

Q93. What is the comparison of hybrid vs best parent called?

A) High parent heterosis
B) Low parent heterosis
C) Mid parent heterosis
D) Average heterosis

Q94. Where does the pollen mother cell develop?

A) Anther
B) Endosperm
C) Embryo sac
D) Ovary

Q95. What is the term for past prices & arrivals data?

A) Market intelligence
B) Market news
C) Market efficiency
D) Market function

Q96. What is the permissible genetic impurity in certified seeds?

A) 0.5%
B) 0.1%
C) 0.2%
D) 0.0%

Q97. What is the proliferative mass of cells in tissue culture called?

A) Tissue culture
B) Protoplast culture
C) Cell suspension culture
D) Callus culture

Q98. When is water most available to plants?

A) Between FC and PWP
B) Near PWP
C) At PWP
D) At temporary wilting point

Q99. Which indoor plant is recommended for bedroom air quality?

A) Sansevieria
B) Eryrine
C) Croton
D) Dieffenbachia

Q100. Which orchid type is monopodial?

A) Vanda
B) Oncidium
C) Dendrobium
D) Cattleya