Mizoram Horticulture Service • 2017 • Technical Paper-III
The parent of Amrapali, a mango cultivar improved through hybridization, is
A)
Ratna x Dashehari
B)
Ratna x Alphonso
C)
Dashehari x Neelum
D)
Neelum x Alphonso
Amrapali mango was developed from the cross of Dashehari and Neelum.
Mizoram Horticulture Service • 2017 • Technical Paper-III
When cryopreservation is done at a temperature of -1960C in ______ the plant cells stay in completely inactive state and can thus be conserved for long periods
A)
Solid carbon dioxide
B)
Deep freezers
C)
Vapour phase nitrogen
D)
Liquid nitrogen
Plant material is conventionally cryopreserved at about −196°C in liquid nitrogen.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Chose the odd one
A)
Pear
B)
Apple
C)
Orange
D)
Guava
Orange is the only citrus fruit; pear, apple and guava are non-citrus.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Estimating the outcome or returns of a farm for a part of the business, that may also be used in aid to full budgeting, it is referred to as
A)
Partial budgeting
B)
Enterprise budgeting
C)
Complete budgeting
D)
None of these
Partial budgeting estimates the effect of a proposed change or a part of the farm business, rather than the whole farm.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Production of triploid plants which are self sterile and usually seedless, is achieved through
A)
Pollen culture
B)
Embryo culture
C)
Endosperm culture
D)
Anther culture
Triploids are commonly produced through endosperm culture and are often sterile/seedless.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Somatic hybrids in citrus were obtained with chemical fusion of competent citrus protoplasts, of which one parent was a protoplasts and the second parent was isolated from
A)
Seedling leaves
B)
Nucellus
C)
Embryo
D)
Ovary
PET stands for positron emission tomography.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Maximum absorption of water in plants takes place in the ….
A)
Zone of root hairs
B)
Root tip
C)
Meristematic zone
D)
Lateral roots
Root hairs greatly increase absorbing surface area and are the main region of water uptake.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which one of the pair is different from other pairs?
A)
Permission-Obstruction
B)
Abundant-Replete
C)
Convergent-Divergent
D)
Transparent-Opaque
Permission–obstruction, convergent–divergent and transparent–opaque are antonym pairs; abundant–replete are synonyms.
Mizoram Horticulture Service • 2017 • Technical Paper-III
12% of 1300 =?
A)
480
B)
140
C)
156
D)
180
12% of 1300 = 0.12×1300 = 156.
Mizoram Horticulture Service • 2017 • Technical Paper-III
In how many different ways can the letters of the word ‘DREAM’ be arranged?
A)
720
B)
240
C)
360
D)
None of these
DREAM has five distinct letters, so 5! = 120 arrangements; 120 is not listed.
Mizoram Horticulture Service • 2017 • Technical Paper-III
______ deficiency is normally found in crops grown in acid soils, calcerous soils and coarse textured soils low in organic matter.
A)
Potassium
B)
Phosphorus
C)
Carbon
D)
Magnesium
Magnesium deficiency is common in acidic, coarse-textured soils and soils with low organic matter; the question's choices point to magnesium.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which of the following is a component of contract farming in horticulture crops?
A)
Regular/Steady supply of crops
B)
Pre-agreed prices of pre-determined quality product
C)
Pre-planned supply schedule
D)
All of these
Contract farming normally specifies supply arrangements, quality, price and scheduling; all listed items can be components.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Motivation refers to goal-directed behaviour, what a person will choose to do when several alternatives are available to him. It also refers to….
A)
The strength for exercising the choice, and the persistence with which he will engage in such behaviour
B)
His focus on clear cut goals
C)
The willingness to play leadership roles for project execution
D)
His ability to co-ordinate several tasks under various circumstances
Motivation includes both the strength of a choice and the persistence with which goal-directed behaviour is maintained.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The speed of a train is 60 km/hr. The driver exceeds the speed of train by 12 km/hr. What is percent gain in speed of train?
A)
15
B)
20
C)
25
D)
None ofthese
The speed rises from 60 to 72 km/h, an increase of 12/60×100 = 20%.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Soil fertility status can be assessed from nutrient deficiency symptoms, soil analysis, soil test and
A)
Leaf measurement
B)
Nutrient uptake calculations
C)
Plant analysis
D)
None of these
Plant analysis complements soil analysis in diagnosing nutrient status and deficiency.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Identify the pair which ‘does not’ exhibit the same relationship as the capitalized pair: ETYMOLOGY: WORDS
A)
Psychology : Mind
B)
Anatomy : Body
C)
Philosophy: Language
D)
None of these
Psychology concerns mind and anatomy concerns body; etymology concerns words, whereas philosophy is not specifically the study of language.
Mizoram Horticulture Service • 2017 • Technical Paper-III
In banana, ______ is useful in rescuing embryos of sexual crosses that fail because the hybrid embryo aborts.
A)
Ovule culture
B)
Embryo culture
C)
Test tube fertilization
D)
None of these
Embryo culture can rescue hybrid embryos that abort during sexual crosses.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Weeds like Chenopodium album, Philaris minor, Digera arvensis are classified under the______ weeds
A)
Annual
B)
Biennial
C)
Perennial
D)
Grasses
Chenopodium album, Phalaris minor and Digera arvensis are annual weeds.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The cost of those non-recurring in nature including cost of tractor and other machinery, buildings, irrigation structures, etc are termed in the farm management concept, as
A)
Variable cost
B)
Fixed cost
C)
Machinery cost
D)
Building cost
Non-recurring costs such as machinery, buildings and irrigation structures are treated as fixed costs in farm management.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Genetic transformation for crop improvement is very conservative technique because the new cultivar will only be improved by the
A)
Addition of new genes
B)
Deletion of genes
C)
Both addition and deletion of genes
D)
Manipulation of gene sequence
Agrobacterium-mediated transformation and related approaches commonly introduce/add useful genes.
Mizoram Horticulture Service • 2017 • Technical Paper-III
Which of the following is not a component of Integrated Nutrient Management of plants?
A)
Chemical fertilizers
B)
Bio fertilizers
C)
Green manures
D)
None of these
Chemical fertilizers, biofertilizers and green manures are all components of integrated nutrient management.
Mizoram Horticulture Service • 2017 • Technical Paper-III
2,4-dichlorophenoxy acetic acid or 2,4-D is a selective postemergence herbicide used for control of ______ weeds
A)
Grass
B)
Broadleaf
C)
Perennial
D)
Annual
2,4-D is a selective post-emergence herbicide principally used against broadleaf weeds.
Mizoram Horticulture Service • 2017 • Technical Paper-III
The announcement of EXIM policy of 2004-2009 came up with export promotional measures; and among this, the policy that aims to promote export of fruits, vegetables, flowers and other value-added products is the ….
A)
Towns of Export Excellence
B)
Target Plus
C)
Vishesh Krishi Gram Udyog Yojana
D)
Horti-Export Excellence
Horti-Export Excellence was the export-promotion measure specifically directed at horticultural products.
Mizoram Horticulture Service • 2017 • Technical Paper-III
This herbicide do not injure non-green, woody stems of fruit trees and hence can be sprayed in tree rings
A)
Paraquat
B)
Alachlor
C)
Glyphosate
D)
Lenacil
Glyphosate can be directed around established woody fruit-tree trunks because mature non-green bark is relatively tolerant when contact with green tissue is avoided.
Mizoram Horticulture Service • 2017 • Technical Paper-III
What will be the circumference of a circle whose radius is 14 cm?
A)
88 cm
B)
140 cm
C)
21 cm
D)
None of these
Circumference = 2πr = 2×22/7×14 = 88 cm.
