Mizoram Horticulture Service • 2017 • Technical Paper-III
Renewable energy sources that can be utilized for energy production in horticulture farming includes…
A)
Solar, fuel wood and coal
B)
Solar, wind and biomass
C)
Biofuel and petroleums
D)
Wind and petroleums
Solar, wind and biomass are renewable energy sources.
Mizoram Horticulture Service • 2017 • Technical Paper-III
In tomato, increased shelf life is achieved by developing transgenic tomatoes that inhibit decreased level of
A)
Abscisic acid
B)
Ribosome inhibiting protein
C)
Chitinase
D)
Polygalacturonase
Delayed softening is achieved by suppressing polygalacturonase, an enzyme involved in pectin breakdown.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The specific conditions for patent application of biological meterials does not include
A)
Discovery of a product of nature
B)
The invention must have novelty and utility for the society
C)
The product must be inventive i.e., skills have been applied to it
D)
It must be reproducible and disclosed
Mere discovery of a product of nature is not, by itself, a patentable invention.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Humus have been synthesized by microorganisms in the soil from products of the breakdown or alteration of
A)
Faeces of earthworms
B)
The original plant tissues
C)
The soil nutrient content
D)
The atmospheric nutrients fixed to the soil
Humus is formed through microbial decomposition and synthesis of products derived mainly from original plant tissues.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which of the following is not a characteristic for a good typical farm plan?
A)
Use latest agricultural methods and practices
B)
Utilize farmer’s knowledge, training and experience
C)
Efficient use of farm resources
D)
Accommodate high risk and avoid flexibility
A good farm plan should minimize unnecessary risk while retaining flexibility, so deliberately accommodating high risk and avoiding flexibility is not a desirable characteristic.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The two most common type of potassic fertilizers used in India are
A)
Muriate of potash and Urea
B)
Urea and amonium nitrate
C)
Potassium sulphate and Urea
D)
Muriate of potash and potassium sulphate
Muriate of potash (KCl) and potassium sulphate (K2SO4) are the two common potassic fertilizers.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Rempuii is prettier than Kimi but not as pretty as Mapuii, Then,
A)
Kimi is not as pretty as Rempuii
B)
Kimi is prettier than Mapuii
C)
Mapuii is not as pretty as Rempuii
D)
Rempuii is prettier than Mapuii
The selected option is the exception/incorrect statement: Rempuii is prettier than Mapuii.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Country ploughs, bakhar and patela are the most popular traditional implements used in our country for
A)
Sowing seeds
B)
FYM application
C)
Weeding
D)
Seed bed preparation
Country plough, bakhar and patela are traditional implements used primarily for seedbed preparation.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Cultures of plant tissues from which of the following is not totipotent?
A)
Cambium
B)
Pith
C)
Cortex
D)
None of these
Cambium, pith and cortex cells can be totipotent under suitable culture conditions; none is inherently excluded.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which of the following is true for release of allelopathic compounds by weeds affecting the growth of crops?
A)
Released from weed plants into the soil as root exudates
B)
Release by decomposition products of their dead, worn out tissues
C)
Release volatile allelopathic compounds from their foliage
D)
All of these
Allelopathic compounds may be released through root exudates, decomposition of residues, and volatile compounds from foliage.
Mizoram Horticulture Service • 2017 • Technical Paper-III
What is the LCM of 12, 18, and 15?
A)
240
B)
120
C)
180
D)
None of these
LCM(12,18,15) = 2^2 × 3^2 × 5 = 180.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The highest energy requirement for farm operations in agriculture sector was for ………
A)
Irrigation
B)
Fertilizer application
C)
Seed sowing
D)
Harvesting
Irrigation is a major energy-consuming farm operation and is the intended answer in this item.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The opening and closing of stomata is controlled by the guard cells, in which the stomata remains open in the presence of light, because the guard cells
A)
Take up water and become turgid and opening the pore
B)
Lost water and and pull the inner walls apart
C)
The rigid inner walls are opened by light penetration
D)
Higher temperature releases water vapour and thus open the pore
Light promotes ion uptake into guard cells, water enters, turgor rises and the stomatal pore opens.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Acidic soils can be amended by application of
A)
Sulfur
B)
Vinegar
C)
lime
D)
Organic fertilizers
Acidic soils are commonly neutralized with lime, which raises soil pH.
Mizoram Horticulture Service • 2017 • Technical Paper-III
For control of noxious weeds like Lantana, Saccharum and Striga spp., the most effective method is
A)
Selective control
B)
Quarantine measures
C)
Weed eradication
D)
All of these
For noxious invasive weeds such as Lantana, Saccharum and Striga, eradication is the most direct control objective.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Plants absorb nitrogen from the soil solution as
A)
Nitrate and ammonium
B)
Orthophosphate and ammonium
C)
Nitrite and amino acids
D)
Ammonium and sulphate
Roots mainly absorb mineral nitrogen from soil solution as nitrate and ammonium.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The following vectors are used to transfer genes in plants, exception is
A)
Viruses
B)
Plasmids
C)
Transposable elements
D)
Bacteria
Bacterial cells are not themselves vectors in the listed sense; viruses, plasmids and transposable elements can serve as gene-transfer tools.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which should come next in the following letter Series? ACFHKMPRUW?
A)
Y
B)
Z
C)
T
D)
G
The letter positions increase by +2, +3, +2, +3, ... giving the next letter after W as Y.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The path for ascent of sap in plants is the
A)
Phloem
B)
Xylem
C)
Cortex
D)
Epidermis
Water and dissolved minerals move upward primarily through xylem.
Mizoram Horticulture Service • 2017 • Technical Paper-III
In a certain code KINETIC is written as TICDKIN. How is MACHINE written in that code?
A)
ENIGMAC
B)
INEGMAC
C)
INEGCAM
D)
ENIGCAM
KINETIC is rearranged as its last three letters + middle letter + first three letters: TIC + E + KIN. MACHINE similarly gives INE + G + MAC = INEGMAC.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which of the following fertilizers is not suitable for use in fertigation due to their solubility?
A)
Potassium sulphate
B)
Urea
C)
Phosphoric acid
D)
None of these
Potassium sulphate has comparatively limited solubility and can be unsuitable for fertigation; urea and phosphoric acid are commonly soluble fertigation materials.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Farm management is ______ oriented
A)
Crop
B)
People
C)
Livestock
D)
Income
Farm management is primarily income/profit oriented; it seeks economic efficiency rather than maximum physical output alone.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The parts of a tractor that mainly requires attention in giving lubrication, besides the engine unit and the engine accessories is
A)
The clutch
B)
The transmission
C)
The chasis
D)
All of these
Clutch, transmission and chassis components all require lubrication/maintenance attention.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Old woman’s son is my daughter’s uncle, then what relation has the old woman to me?
A)
Sister
B)
Mother
C)
Grandmother
D)
Mother - in - law
Under the intended relationship, the old woman's son is the speaker's daughter’s uncle, i.e. the speaker's brother; therefore the old woman is the speaker's mother.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The main focus for an efficient Farm management, besides other factors, will be
A)
Supervising and handling day-to-day routine of a farm
B)
Increasing crop yield
C)
Increasing the farm income through sound business organization
D)
Upgradation of farm technologies
Efficient farm management ultimately aims at increasing farm income through sound organization and resource use.
