Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Withania somnifera is a pantropic native medicinal plant growing all over north-western and parts of India.
A)
Eastern
B)
Southern
C)
North-eastern
D)
Central
Option D is correct: Central.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Rhodinol, and expensive perfumery compound is obtained from
A)
Rose oil
B)
Geranium oil
C)
Jasmine oil
D)
Wild mint oil
Option B is correct: Geranium oil.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
In Peas cultivation, staking of the plant is ideally done on the after sowing seeds.
A)
15 day
B)
30 day
C)
45" day
D)
60" day
Option B is correct: 30 day.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
A leads to toxicity of micronutrients and deficiency of major and secondary nutrients while a causes deficiency of micronutrients.
A)
low media pH (<5.0); high pH 7.5)
B)
low media pH (<5.0); neutral pH
C)
high pH (>7.5); low media pH (<5.0)
D)
high pH (>7.5); neutral pH
Option C is correct: high pH (>7.5); low media pH (<5.0).
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Which of the following does not apply in case of commercial floriculture?
A)
The market is developing and expecting a blast growth
B)
There are both regular and seasonal demand
C)
Duration for cultivation is longer in comparison to field crops
D)
Maximum utilization of land
Option C is correct: Duration for cultivation is longer in comparison to field crops.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Bleaching of betelvine leaves are done by successive heat treatment at
A)
40 - 50°C for 6 - 8 hours
B)
40 - 50°C for 1 - 2 hours
C)
60 - 70°C for 6 - 8 hours
D)
60 - 70°C for 1 - 2 hours
Option A is correct: 40 - 50°C for 6 - 8 hours.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Repotting of bonsai for evergreens like pines and junipers are done in
A)
Every year
B)
1-2 years
C)
3-5 years
D)
After 10 years
Option C is correct: 3-5 years.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Which of the following is not a case with greenhouse cultivation?
A)
extended growing season
B)
betterprotectionagainstadverse weather conditions
C)
a wide variety of plants can be grown
D)
crops have greater chance of pollination
Option D is correct: crops have greater chance of pollination.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Coriander seeds are harvested when
A)
50% seeds turn yellow
B)
all the seeds turn yellow
C)
the leaves turn yellow
D)
the plant dries off
Option A is correct: 50% seeds turn yellow.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
The of Piper longum is the commercially important part of the plant.
A)
unripe female spikes
B)
ripe male spikes
C)
root bark
D)
stem
Option A is correct: unripe female spikes.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
More than 50% of the export oriented floriculture units in India are based in the
A)
North Eastern zone
B)
East zone
C)
South zone
D)
West zone
Option C is correct: South zone.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
What is the ideal ratio of width and length in a naturally ventilated polyhouse?
A)
40:60
B)
20:10
C)
15:25
D)
20:80
Option A is correct: 40:60.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Pungency in chilli is due to the presence of
A)
Capsaicin
B)
Capxanthin
C)
Carotenoids
D)
Theanine
Option A is correct: Capsaicin.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
For maximum oil and menthol content, Mint should be harvested on a
A)
rainy day
B)
cool cloudy day
C)
dry sunny day
D)
early morning
Option C is correct: dry sunny day.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Recommendation for Anthurium cultivation is shade.
A)
50%
B)
60-70%
C)
75 - 80%
D)
90%
Option B is correct: 60-70%.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
The Japanese gardens are example of this style of gardening.
A)
Formal style
B)
Informal style
C)
Free style
D)
Water garden
Option B is correct: Informal style.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Whip tail of cauliflower occurs due to deficiency of
A)
Boron
B)
Molybdenum
C)
Nitrogen
D)
Potassium
Option B is correct: Molybdenum.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Photoperiodic control is an essential consideration for cultivation of
A)
Orchids
B)
Rose
C)
Chrysanthemum
D)
Bird of paradise
Option C is correct: Chrysanthemum.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Irrigation should be given at regular interval because if done after a long dry spell, it results in cracking of fruits of
A)
cucumber
B)
watermelon
C)
tomato
D)
pumpkin
Option C is correct: tomato.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
The Ikebana style which is arranged in a shallow container with a needle point holder is
A)
Bonsai
B)
Moribana
C)
Nageire
D)
Hikae
Option B is correct: Moribana.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Betel vine cannot tolerate this kind of soil
A)
Acidic and neutral
B)
Clay loam
C)
Saline and alkaline
D)
Well drained fertile
Option C is correct: Saline and alkaline.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
The largest producer of dry ginger in the world is
A)
SriLanka
B)
India
C)
Philipines
D)
China
Option B is correct: India.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
To make the living area of a landscape appear larger, a designer should include plants that feature
A)
Warm coloured flowers such as red, yellow and oranges
B)
Cool coloured flowers such as blues, lavenders and purple
C)
All white flowers
D)
Acombination of warm and cool colours
Option B is correct: Cool coloured flowers such as blues, lavenders and purple.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
Bonsai is a Japanese word meaning
A)
Dwarf plant
B)
Tray planting
C)
Clay planting
D)
Wire planting
Option B is correct: Tray planting.
Mizoram Horticulture Service • 2023 • Technical Subject Paper-II
The stem of cut flowers having milky exudates should be treated like this
A)
Cut stem and the end should be burnt in flame for few seconds
B)
Plug the stem with cotton wool
C)
Cut stem at sharp angle and immediately place in water
D)
Stem end split and placed in warm water
Option A is correct: Cut stem and the end should be burnt in flame for few seconds.
