Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Chemical used for sterilization of explants in micropropagation.
A)
Sodium hypochlorite
B)
Calcium hypochlorite
C)
Mercuric chloride
D)
All of these
Option D is correct: All of these.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
2,4-Disa herbicide.
A)
Selective
B)
Non selective
C)
Contact
D)
Selective and systemic
Option D is correct: Selective and systemic.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Each of P, Q, T, A and B has different heights. T is taller than P and B but shorter than A and Q. P is not the shortest, who is the tallest?
A)
P
B)
A
C)
Q
D)
None of these
Option D is correct: None of these.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which chemical is used for controlling sprouting of onion in storage?
A)
Maleic Hydrazide (MH)
B)
Cycocel
C)
Succinic acid dimethylhydrazide (SADH)
D)
Gibberellic acid
Option A is correct: Maleic Hydrazide (MH).
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
In cell culture medium commonly used carbon source is
A)
Sucrose
B)
Fructose
C)
Glucose
D)
Mannose
Option A is correct: Sucrose.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which part of root absorb water and minerals?
A)
Root cap
B)
Root hairs
C)
Epidermis
D)
Endodermis
Option B is correct: Root hairs.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Guttation takes place through .
A)
Stomata
B)
Hydathode
C)
Leafveins
D)
Guard cells
Option B is correct: Hydathode.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Photosynthesis is a process.
A)
Catabolic
B)
Anabolic
C)
Exothermic
D)
Metabolic
Option B is correct: Anabolic.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which element is responsible for stomatal regulation and function?
A)
N
B)
P
C)
K
D)
Ca
Option C is correct: K.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Training of Rural Youth for Self-Employment (TRYSEM) was launched in the year
A)
1974
B)
1976
C)
1979
D)
1982
Option C is correct: 1979.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
It is a cylindrical part closed at one end which maintains a close sliding fit in the engine cylinder
A)
Cylinder head
B)
Cylinder block
C)
Sleeve
D)
Piston
Option C is correct: Sleeve.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
BHP of an engine indicates:
A)
Power in cylinder
B)
Power on flywheel
C)
Frictional power
D)
Power at PTO pulley
Option B is correct: Power on flywheel.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
The progeny of a self pollinated homozygous plant obtained by selfing is referred to as
A)
Inbred
B)
Pureline
C)
Hybrid
D)
Multiline
Option B is correct: Pureline.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Cross for mango hybrid ‘Ratna’ is :
A)
Dashehari X Neelum
B)
Alphonso X Neelum
C)
Neelum X Alphonso
D)
Neelum X Mulgoa
Option B is correct: Alphonso X Neelum.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Sub soiler plough is best suited for
A)
Deep ploughing
B)
Breaking hard pan
C)
Making ditches
D)
Inter cultivation
Option B is correct: Breaking hard pan.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Lab to Land programme was started by
A)
UHR
B)
IVR
C)
IARI
D)
ICAR
Option D is correct: ICAR.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
The term ‘Extension Education’ was first coined by which University?
A)
Michigan State University
B)
Cambridge University
C)
Oxford University
D)
Chiba University
Option A is correct: Michigan State University.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Increase in soil water content and soil temperature, increases the availability of ..
A)
Nitrogen
B)
Phosphorus
C)
Potassium
D)
All ofthese
Option D is correct: All ofthese.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Dolomite is
A)
CaCO,
B)
MgSO,
C)
Ca(OH),
D)
CaMg(CO,),
Option D is correct: CaMg(CO,),.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
IAA is chemically similar to the amino acid :
A)
Methionine
B)
Serine
C)
Tryptophan
D)
Proline
Option C is correct: Tryptophan.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which State is Agri Export Zone for Organic Pineapple?
A)
Karnataka
B)
Tripura
C)
Tamil Nadu
D)
Assam
Option B is correct: Tripura.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Plants cells/ tissue has the ability to develop into a complete plant. This property of plant is known as
A)
Pluropotency
B)
Totipotency
C)
Mutipotency
D)
None of these
Option B is correct: Totipotency.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which phytohormone ac as organizers for systemic stress defense?
A)
ABA
B)
Jasmonic acid
C)
Salicylic acid
D)
Allofthese
Option D is correct: Allofthese.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Success in rural development project depends upon :
A)
Regular training of workers
B)
Regular contact of workers
C)
Participation of beneficiaries
D)
Amount of subsidy
Option C is correct: Participation of beneficiaries.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-III
Which one of the following fruit crop pollinated by wind?
A)
Walnut
B)
Banana
C)
Grapes
D)
Litchi
Option A is correct: Walnut.
