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

Subjects : Horticulture

Question Bank APPSC Horticulture Development Officer Exam Paper III - English
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Horticulture

Question 1Single Answer
In anemophylous plants, pollen are disseminated by means of_______
  1. A
    Insects
  2. B
    Water
  3. C
    Wind
  4. D
    Gravity
Question 2Single Answer
Production of seeds without fertilization is termed as______
  1. A
    Parthenocarpy
  2. B
    Parthenogenesis
  3. C
    Gametogenesis
  4. D
    All of the above
Question 3Single Answer
Removal of off type plants from a seed field is termed as_________
  1. A
    Weeding
  2. B
    Rouging
  3. C
    Hoeing
  4. D
    Clearing
Question 4Single Answer
Hormones which control apical dominance are______
  1. A
    Auxins
  2. B
    Cytokinins
  3. C
    Both (a) & (b)
  4. D
    Gibberellins
Question 5Single Answer
Turmeric is propagated by _____
  1. A
    Corms
  2. B
    Seed
  3. C
    Rhizome
  4. D
    Bulbs
Question 6Single Answer
Maturation of anthers and stigma at the same time is called as_______
  1. A
    Homogamy
  2. B
    Chasmogamy
  3. C
    Cleistogamy
  4. D
    Dichogamy
Question 7Single Answer
The cause of pungency in chillies is______
  1. A
    Cucurbitacin
  2. B
    Capsaicin
  3. C
    Allicin
  4. D
    Solanin
Question 8Single Answer
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
Question 9Single Answer
Which of the flower type cannot produce seed and/or
fruit ?
  1. A
    Pistillate
  2. B
    Perfect
  3. C
    Hermaphrodite
  4. D
    Staminate
Question 10Single Answer
Truck gardening means vegetable production for________
  1. A
    Home consumption
  2. B
    Distant markets
  3. C
    For local market
  4. D
    At commercial level
Question 11Single Answer
The true fruits develop from_______
  1. A
    Ovary
  2. B
    Thalamus
  3. C
    Pericarp
  4. D
    All of above
Question 12Single Answer
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)
Question 13Single Answer
Early blight and late blight diseases of potato are
  1. A
    Fungal
  2. B
    Viral
  3. C
    Bacterial
  4. D
    Physiological
Question 14Single Answer
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
Question 15Single Answer
______is monocot dioecious fruit tree.
  1. A
    Banana
  2. B
    Pomegranate
  3. C
    Date palm
  4. D
    Pineapple
Question 16Single Answer
Both mango and pistachio belong to one family __
  1. A
    Anacardiaceae
  2. B
    Mangiferae
  3. C
    Sapotaceae
  4. D
    None of above
Question 17Single Answer
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
Question 18Single Answer
Bearing habit of mango is_______
  1. A
    Terminal
  2. B
    Lateral
  3. C
    Axillary
  4. D
    Basal
Question 19Single Answer
Edible part of pomegranate is
  1. A
    Seed
  2. B
    Vesicles
  3. C
    Mesocarp
  4. D
    Arils
Question 20Single Answer
Apples and pears are classified as_______
  1. A
    Drupe
  2. B
    Pome
  3. C
    Berry
  4. D
    Hesperidium
Question 21Single Answer
Mushroom seed is called________
  1. A
    Button
  2. B
    Seed
  3. C
    Spawn
  4. D
    None of above
Question 22Single Answer
Jamun has medicinal value against______
  1. A
    Diabetes
  2. B
    Cancer
  3. C
    Blindness
  4. D
    All of above
Question 23Single Answer
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
Question 24Single Answer
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
Question 25Single Answer
Spongy tissue in mango is due to_______
  1. A
    Fungus
  2. B
    Virus
  3. C
    Bacteria
  4. D
    Physiological disorder
Question 26Single Answer
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
Question 27Single Answer
Which state has highest grape productivity?
  1. A
    Karnataka
  2. B
    Andhra Pradesh
  3. C
    Tamil Nadu
  4. D
    Maharashtra
Question 28Single Answer
Litchi is commonly propagated by______
  1. A
    Air layering
  2. B
    Cuttings
  3. C
    Grafting
  4. D
    Budding
Question 29Single Answer
Cauliflorous fruiting is observed in__
  1. A
    Jackfruit
  2. B
    Mango
  3. C
    Papaya
  4. D
    Guava
Question 30Single Answer
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
Question 31Single Answer
Botanically Sapota fruit is______
  1. A
    Drupe
  2. B
    Berry
  3. C
    Nut
  4. D
    None of above
Question 32Single Answer
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
Question 33Single Answer
Precooling means________
  1. A
    Removal of field heat
  2. B
    Fruit preservation
  3. C
    Cold storage
  4. D
    Refrigeration
Question 34Single Answer
TSS is measured by______
  1. A
    Refractometer
  2. B
    Hydrometer
  3. C
    Lactometer
  4. D
    Peintrometer
Question 35Single Answer
In Lye-peeling which chemical is commonly used ?
  1. A
    KOH
  2. B
    NaOH
  3. C
    K2SO4
  4. D
    All above
Question 36Single Answer
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
Question 37Single Answer
Which of the following varieties is a seedless type
mango variety ?
  1. A
    Sonpari
  2. B
    Dasheri
  3. C
    Sindhu
  4. D
    Amrapali
Question 38Single Answer
Mallika is a hybrid between________
  1. A
    Amrapali - Neelum
  2. B
    Langda * Neelum
  3. C
    Neelum * Dashehari
  4. D
    Dashehari * Neelum
Question 39Single Answer
Banana is propagated by means of______
  1. A
    Sucker
  2. B
    Runner
  3. C
    Stolon
  4. D
    Rhizome
Question 40Single Answer
National Research Center (NRC) for Grapes is located
in________
  1. A
    Nagpur
  2. B
    Pune
  3. C
    Bangalore
  4. D
    Trichy
Question 41Single Answer
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
Question 42Single Answer
Gladiolus is generally propagated by_______
  1. A
    Bulb
  2. B
    Tuber
  3. C
    Bulbil
  4. D
    Corns
Question 43Single Answer
Freesia is a______
  1. A
    Climber
  2. B
    Flowering tree
  3. C
    Cacti
  4. D
    Bulbous plant
Question 44Single Answer
Which spice is called King of spices ?
  1. A
    Cardamom
  2. B
    Vanilla
  3. C
    Black pepper
  4. D
    None of above
Question 45Single Answer
Which fruit is exported maximum quantity from India
now?
  1. A
    Banana
  2. B
    Mango
  3. C
    Grapes
  4. D
    Pomegranate
Question 46Single Answer
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%
Question 47Single Answer
Browning in cauliflower results from______
  1. A
    N deficiency
  2. B
    B deficiency
  3. C
    Mn toxicity
  4. D
    K deficiency
Question 48Single Answer
Little leaf in brinjal is caused by_________
  1. A
    Fungus
  2. B
    Phytoplasma
  3. C
    Bacteria
  4. D
    Nematode
Question 49Single Answer
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
Question 50Single Answer
A common pre-emergent herbicide is______
  1. A
    Atrazine
  2. B
    Paraquat
  3. C
    2,4-D
  4. D
    Glyphosate
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