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Question Bank

Question for HPSC HDO - Quiz / Questions / MCQ in English

Last Update on : October 10, 2026

Duration: 120 · Questions: 100 · Max Marks: 100

View HPSC Horticulture Development Officer 2026 Exam Page

To boost your performance in HPSC HDO exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in HPSC HDO exams.

Latest HPSC HDO Exam Question (Objective Questions), MCQ in English

Subjects : Horticulture, General Knowledge of HP, General Knowledge

Question Bank HPSC HDO Exam - English

Horticulture

Q 1 :
In anemophylous plants, pollen are disseminated by means of_______
  1. A.Insects
  2. B.Water
  3. C.Wind
  4. D.Gravity
Q 2 :
Production of seeds without fertilization is termed as______
  1. A.Parthenocarpy
  2. B.Parthenogenesis
  3. C.Gametogenesis
  4. D.All of the above
Q 3 :
Removal of off type plants from a seed field is termed as_________
  1. A.Weeding
  2. B.Rouging
  3. C.Hoeing
  4. D.Clearing
Q 4 :
Hormones which control apical dominance are______
  1. A.Auxins
  2. B.Cytokinins
  3. C.Both (a) & (b)
  4. D.Gibberellins
Q 5 :
Turmeric is propagated by _____
  1. A.Corms
  2. B.Seed
  3. C.Rhizome
  4. D.Bulbs
Q 6 :
Maturation of anthers and stigma at the same time is called as_______
  1. A.Homogamy
  2. B.Chasmogamy
  3. C.Cleistogamy
  4. D.Dichogamy
Q 7 :
The cause of pungency in chillies is______
  1. A.Cucurbitacin
  2. B.Capsaicin
  3. C.Allicin
  4. D.Solanin
Q 8 :
Regular consumption of garlic will reduce the level of_____
in human beings.
  1. A.Cholesterol
  2. B.Sugar
  3. C.Uric acid
  4. D.None of above
Q 9 :
Which of the flower type cannot produce seed and/or
fruit ?
  1. A.Pistillate
  2. B.Perfect
  3. C.Hermaphrodite
  4. D.Staminate
Q 10 :
Truck gardening means vegetable production for________
  1. A.Home consumption
  2. B.Distant markets
  3. C.For local market
  4. D.At commercial level
Q 11 :
The true fruits develop from_______
  1. A.Ovary
  2. B.Thalamus
  3. C.Pericarp
  4. D.All of above
Q 12 :
Fertigation refers to the application of fertilizers with_________
  1. A.Water
  2. B.Rain
  3. C.Both of (a) and (b)
  4. D.None of (a) and (b)
Q 13 :
Early blight and late blight diseases of potato are
  1. A.Fungal
  2. B.Viral
  3. C.Bacterial
  4. D.Physiological
Q 14 :
Auxins have effective role in_____
  1. A.Rooting
  2. B.Cell division
  3. C.Reduction in pre-harvest fruit drop
  4. D.All of above
Q 15 :
______is monocot dioecious fruit tree.
  1. A.Banana
  2. B.Pomegranate
  3. C.Date palm
  4. D.Pineapple
Q 16 :
Both mango and pistachio belong to one family __
  1. A.Anacardiaceae
  2. B.Mangiferae
  3. C.Sapotaceae
  4. D.None of above
Q 17 :
Guava is a rich source of_______
  1. A.Vitamin C
  2. B.Pectin
  3. C.Both (a) and (b)
  4. D.Vitamin A and Vitamin B
Q 18 :
Bearing habit of mango is_______
  1. A.Terminal
  2. B.Lateral
  3. C.Axillary
  4. D.Basal
Q 19 :
Edible part of pomegranate is
  1. A.Seed
  2. B.Vesicles
  3. C.Mesocarp
  4. D.Arils
Q 20 :
Apples and pears are classified as_______
  1. A.Drupe
  2. B.Pome
  3. C.Berry
  4. D.Hesperidium
Q 21 :
Mushroom seed is called________
  1. A.Button
  2. B.Seed
  3. C.Spawn
  4. D.None of above
Q 22 :
Jamun has medicinal value against______
  1. A.Diabetes
  2. B.Cancer
  3. C.Blindness
  4. D.All of above
Q 23 :
Physiological activity in which plants tissue degenerate
and ultimately die is called as_______
  1. A.Senescence
  2. B.Juvenility
  3. C.Climacteric
  4. D.Degeneration
Q 24 :
Plant response to the relative length of daylight or
darkness is known as_______
  1. A.Long day
  2. B.Short day
  3. C.Geotropism
  4. D.Phototropism
Q 25 :
Spongy tissue in mango is due to_______
  1. A.Fungus
  2. B.Virus
  3. C.Bacteria
  4. D.Physiological disorder
Q 26 :
A plant which is able to live under very dry conditions
is called_____
  1. A.Xerophyte
  2. B.Halophyte
  3. C.Mesophyte
  4. D.None of above
Q 27 :
Which state has highest grape productivity?
  1. A.Karnataka
  2. B.Andhra Pradesh
  3. C.Tamil Nadu
  4. D.Maharashtra
Q 28 :
Litchi is commonly propagated by______
  1. A.Air layering
  2. B.Cuttings
  3. C.Grafting
  4. D.Budding
Q 29 :
Cauliflorous fruiting is observed in__
  1. A.Jackfruit
  2. B.Mango
  3. C.Papaya
  4. D.Guava
Q 30 :
The nutrient element which is immobile in soil and
applied only as basal dose is_____
  1. A.Mg
  2. B.K
  3. C.N
  4. D.P
Q 31 :
Botanically Sapota fruit is______
  1. A.Drupe
  2. B.Berry
  3. C.Nut
  4. D.None of above
Q 32 :
Most commonly used thickness of UV stabilized sheet
for polyhouse_______
  1. A.100 u
  2. B.300
  3. C.500 u
  4. D.200 u
Q 33 :
Precooling means________
  1. A.Removal of field heat
  2. B.Fruit preservation
  3. C.Cold storage
  4. D.Refrigeration
Q 34 :
TSS is measured by______
  1. A.Refractometer
  2. B.Hydrometer
  3. C.Lactometer
  4. D.Peintrometer
Q 35 :
In Lye-peeling which chemical is commonly used ?
  1. A.KOH
  2. B.NaOH
  3. C.K2SO4
  4. D.All above
Q 36 :
Which of the following methods is commonly used for
rejuvenation of orchards?
  1. A.Tongue grafting
  2. B.Top working
  3. C.Side grafting
  4. D.Epicotyl grafting
Q 37 :
Which of the following varieties is a seedless type
mango variety ?
  1. A.Sonpari
  2. B.Dasheri
  3. C.Sindhu
  4. D.Amrapali
Q 38 :
Mallika is a hybrid between________
  1. A.Amrapali - Neelum
  2. B.Langda * Neelum
  3. C.Neelum * Dashehari
  4. D.Dashehari * Neelum
Q 39 :
Banana is propagated by means of______
  1. A.Sucker
  2. B.Runner
  3. C.Stolon
  4. D.Rhizome
Q 40 :
National Research Center (NRC) for Grapes is located
in________
  1. A.Nagpur
  2. B.Pune
  3. C.Bangalore
  4. D.Trichy
Q 41 :
Which of the following phytohormone is used for
regulating flowering in mango ?
  1. A.NAA
  2. B.2,4-D
  3. C.Paclobutrazol
  4. D.GA
Q 42 :
Gladiolus is generally propagated by_______
  1. A.Bulb
  2. B.Tuber
  3. C.Bulbil
  4. D.Corns
Q 43 :
Freesia is a______
  1. A.Climber
  2. B.Flowering tree
  3. C.Cacti
  4. D.Bulbous plant
Q 44 :
Which spice is called King of spices ?
  1. A.Cardamom
  2. B.Vanilla
  3. C.Black pepper
  4. D.None of above
Q 45 :
Which fruit is exported maximum quantity from India
now?
  1. A.Banana
  2. B.Mango
  3. C.Grapes
  4. D.Pomegranate
Q 46 :
What is the contribution of Horticulture to the GDP of
Agriculture in India ?
  1. A.15%
  2. B.28%
  3. C.20%
  4. D.40%
Q 47 :
Browning in cauliflower results from______
  1. A.N deficiency
  2. B.B deficiency
  3. C.Mn toxicity
  4. D.K deficiency
Q 48 :
Little leaf in brinjal is caused by_________
  1. A.Fungus
  2. B.Phytoplasma
  3. C.Bacteria
  4. D.Nematode
Q 49 :
Plants which do not set fruits with their own pollen are
called________
  1. A.Cross pollinated
  2. B.Unfruitful
  3. C.Self incompatible
  4. D.Cross fruitful
Q 50 :
A common pre-emergent herbicide is______
  1. A.Atrazine
  2. B.Paraquat
  3. C.2,4-D
  4. D.Glyphosate

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Question for HPSC Horticulture Development Officer 2026 - Quiz / Questions / MCQ - Toppersexam