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