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Latest NHB Senior Horticulture Officer Exam Question (Objective Questions), MCQ in English

Subjects : Horticulture, General Studies, English, Quantitative Aptitude & Mental Ability

Question Bank NHB Senior Horticulture Officer Exam (Stage I) - English
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Horticulture

Question 1Single Answer
In anemophylous plants, pollen are disseminated by means of_______
  1. AInsects
  2. BWater
  3. CWind
  4. DGravity
Question 2Single Answer
Production of seeds without fertilization is termed as______
  1. AParthenocarpy
  2. BParthenogenesis
  3. CGametogenesis
  4. DAll of the above
Question 3Single Answer
Removal of off type plants from a seed field is termed as_________
  1. AWeeding
  2. BRouging
  3. CHoeing
  4. DClearing
Question 4Single Answer
Hormones which control apical dominance are______
  1. AAuxins
  2. BCytokinins
  3. CBoth (a) & (b)
  4. DGibberellins
Question 5Single Answer
Turmeric is propagated by _____
  1. ACorms
  2. BSeed
  3. CRhizome
  4. DBulbs
Question 6Single Answer
Maturation of anthers and stigma at the same time is called as_______
  1. AHomogamy
  2. BChasmogamy
  3. CCleistogamy
  4. DDichogamy
Question 7Single Answer
The cause of pungency in chillies is______
  1. ACucurbitacin
  2. BCapsaicin
  3. CAllicin
  4. DSolanin
Question 8Single Answer
Regular consumption of garlic will reduce the level of_____
in human beings.
  1. ACholesterol
  2. BSugar
  3. CUric acid
  4. DNone of above
Question 9Single Answer
Which of the flower type cannot produce seed and/or
fruit ?
  1. APistillate
  2. BPerfect
  3. CHermaphrodite
  4. DStaminate
Question 10Single Answer
Truck gardening means vegetable production for________
  1. AHome consumption
  2. BDistant markets
  3. CFor local market
  4. DAt commercial level
Question 11Single Answer
The true fruits develop from_______
  1. AOvary
  2. BThalamus
  3. CPericarp
  4. DAll of above
Question 12Single Answer
Fertigation refers to the application of fertilizers with_________
  1. AWater
  2. BRain
  3. CBoth of (a) and (b)
  4. DNone of (a) and (b)
Question 13Single Answer
Early blight and late blight diseases of potato are
  1. AFungal
  2. BViral
  3. CBacterial
  4. DPhysiological
Question 14Single Answer
Auxins have effective role in_____
  1. ARooting
  2. BCell division
  3. CReduction in pre-harvest fruit drop
  4. DAll of above
Question 15Single Answer
______is monocot dioecious fruit tree.
  1. ABanana
  2. BPomegranate
  3. CDate palm
  4. DPineapple
Question 16Single Answer
Both mango and pistachio belong to one family __
  1. AAnacardiaceae
  2. BMangiferae
  3. CSapotaceae
  4. DNone of above
Question 17Single Answer
Guava is a rich source of_______
  1. AVitamin C
  2. BPectin
  3. CBoth (a) and (b)
  4. DVitamin A and Vitamin B
Question 18Single Answer
Bearing habit of mango is_______
  1. ATerminal
  2. BLateral
  3. CAxillary
  4. DBasal
Question 19Single Answer
Edible part of pomegranate is
  1. ASeed
  2. BVesicles
  3. CMesocarp
  4. DArils
Question 20Single Answer
Apples and pears are classified as_______
  1. ADrupe
  2. BPome
  3. CBerry
  4. DHesperidium
Question 21Single Answer
Mushroom seed is called________
  1. AButton
  2. BSeed
  3. CSpawn
  4. DNone of above
Question 22Single Answer
Jamun has medicinal value against______
  1. ADiabetes
  2. BCancer
  3. CBlindness
  4. DAll of above
Question 23Single Answer
Physiological activity in which plants tissue degenerate
and ultimately die is called as_______
  1. ASenescence
  2. BJuvenility
  3. CClimacteric
  4. DDegeneration
Question 24Single Answer
Plant response to the relative length of daylight or
darkness is known as_______
  1. ALong day
  2. BShort day
  3. CGeotropism
  4. DPhototropism
Question 25Single Answer
Spongy tissue in mango is due to_______
  1. AFungus
  2. BVirus
  3. CBacteria
  4. DPhysiological disorder
Question 26Single Answer
A plant which is able to live under very dry conditions
is called_____
  1. AXerophyte
  2. BHalophyte
  3. CMesophyte
  4. DNone of above
Question 27Single Answer
Which state has highest grape productivity?
  1. AKarnataka
  2. BAndhra Pradesh
  3. CTamil Nadu
  4. DMaharashtra
Question 28Single Answer
Litchi is commonly propagated by______
  1. AAir layering
  2. BCuttings
  3. CGrafting
  4. DBudding
Question 29Single Answer
Cauliflorous fruiting is observed in__
  1. AJackfruit
  2. BMango
  3. CPapaya
  4. DGuava
Question 30Single Answer
The nutrient element which is immobile in soil and
applied only as basal dose is_____
  1. AMg
  2. BK
  3. CN
  4. DP
Question 31Single Answer
Botanically Sapota fruit is______
  1. ADrupe
  2. BBerry
  3. CNut
  4. DNone of above
Question 32Single Answer
Most commonly used thickness of UV stabilized sheet
for polyhouse_______
  1. A100 u
  2. B300
  3. C500 u
  4. D200 u
Question 33Single Answer
Precooling means________
  1. ARemoval of field heat
  2. BFruit preservation
  3. CCold storage
  4. DRefrigeration
Question 34Single Answer
TSS is measured by______
  1. ARefractometer
  2. BHydrometer
  3. CLactometer
  4. DPeintrometer
Question 35Single Answer
In Lye-peeling which chemical is commonly used ?
  1. AKOH
  2. BNaOH
  3. CK2SO4
  4. DAll above
Question 36Single Answer
Which of the following methods is commonly used for
rejuvenation of orchards?
  1. ATongue grafting
  2. BTop working
  3. CSide grafting
  4. DEpicotyl grafting
Question 37Single Answer
Which of the following varieties is a seedless type
mango variety ?
  1. ASonpari
  2. BDasheri
  3. CSindhu
  4. DAmrapali
Question 38Single Answer
Mallika is a hybrid between________
  1. AAmrapali - Neelum
  2. BLangda * Neelum
  3. CNeelum * Dashehari
  4. DDashehari * Neelum
Question 39Single Answer
Banana is propagated by means of______
  1. ASucker
  2. BRunner
  3. CStolon
  4. DRhizome
Question 40Single Answer
National Research Center (NRC) for Grapes is located
in________
  1. ANagpur
  2. BPune
  3. CBangalore
  4. DTrichy
Question 41Single Answer
Which of the following phytohormone is used for
regulating flowering in mango ?
  1. ANAA
  2. B2,4-D
  3. CPaclobutrazol
  4. DGA
Question 42Single Answer
Gladiolus is generally propagated by_______
  1. ABulb
  2. BTuber
  3. CBulbil
  4. DCorns
Question 43Single Answer
Freesia is a______
  1. AClimber
  2. BFlowering tree
  3. CCacti
  4. DBulbous plant
Question 44Single Answer
Which spice is called King of spices ?
  1. ACardamom
  2. BVanilla
  3. CBlack pepper
  4. DNone of above
Question 45Single Answer
Which fruit is exported maximum quantity from India
now?
  1. ABanana
  2. BMango
  3. CGrapes
  4. DPomegranate
Question 46Single Answer
What is the contribution of Horticulture to the GDP of
Agriculture in India ?
  1. A15%
  2. B28%
  3. C20%
  4. D40%
Question 47Single Answer
Browning in cauliflower results from______
  1. AN deficiency
  2. BB deficiency
  3. CMn toxicity
  4. DK deficiency
Question 48Single Answer
Little leaf in brinjal is caused by_________
  1. AFungus
  2. BPhytoplasma
  3. CBacteria
  4. DNematode
Question 49Single Answer
Plants which do not set fruits with their own pollen are
called________
  1. ACross pollinated
  2. BUnfruitful
  3. CSelf incompatible
  4. DCross fruitful
Question 50Single Answer
A common pre-emergent herbicide is______
  1. AAtrazine
  2. BParaquat
  3. C2,4-D
  4. DGlyphosate
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