ICAR Exam Paper – JRF Horticulture 2019

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ICAR Exam Question Paper Horticulture 

ICAR Exam Paper

JRF Horticulture 2019

ICAR Exam Paper

Q.1 Which one of the following vegetables is NOT a fruit?

  1. Tomato
  2. Cauliflower
  3. Brinjal
  4. Okra
Cauliflower

 

Q.2 Which of the following Indian States is popularly known as ‘Garden of Spices’?

  1. Karnataka
  2. Kerala
  3. Andhra Pradesh
  4. Tamil Nadu

Kerala

 

Q.3 Guava bears fruits mostly from?

  1. One-year old shoots
  2. Spurs
  3. Current season growth
  4. Very old shoots

Current season growth

 

Q.4 Drying recovery of turmeric is?

  1. 10 – 15%
  2. 15 -30%
  3. 20 – 30%
  4. 5 -10%

15 -30%

 

Q.5 Bottom heat treatment is related to?

  1. Budding
  2. Microbudding
  3. Cutting
  4. Layering

Cutting

 

Q.6 Barren nuts in coconut is due to deficiency of?

  1. Mg
  2. Calcium
  3. Boron
  4. Zinc

Boron

 

Q.7 Where does the water vapour exit the plant?

  1. Xylem
  2. Stem
  3. roots
  4. Stomata

Stomata

 

Q.8 The chromosome number of common rice, Oryza sativa is?

  1. 1.12
  2. 2.24
  3. 3.36
  4. 4.48

24

 

Q.9 Rose is the national flower of which of the following countries?

  1. India
  2. Japan
  3. England
  4. France

England

 

Q.10 Coriander variety tolerant to white fly and mites is?

  1. Sindhu
  2. Sadhana
  3. C0-1
  4. Rajendra Swathi

Sadhana

 

Q.11 What should be the optimum total soluble solids (brix) for processing tomato?

  1. <2.5
  2. 2.5-3.5
  3. 3.5-5.0
  4. 5 or more

5 or more

 

Q.12 Deficiency of molybdenum in cauliflower leads to?

  1. Brown rot
  2. Whiptail
  3. Riceynees
  4. Sunsclading

Whiptail

 

Q.13 For chips industry, what should be the optimum dry matter content of potato tuber?

  1. 10%
  2. 10% – 15%
  3. 3.5% – 10%
  4. 4.> 20%

> 20%

 

Q.14 Parent of Pusa Peetamber mango hybrid is?

  1. Amrapali × Sensation
  2. Pusa Arunima × Tomy Atkin
  3. Amrapali × Lal Sundari
  4. Mallika × Sensation

Amrapali × Lal Sundari

 

Q.15 Scooping operation is adopted in which crop?

  1. Cauliflower
  2. Knolkhol
  3. Cabbage
  4. Kale

Cauliflower

 

Q.16 Pruning of rose under North Indian conditions is done during?

  1. March-April
  2. May-June
  3. October-November
  4. December-January

October-November

 

Q.17 Selfing and massing is useful for the improvement of which of the following vegetable crops ?

  1. Onion
  2. Cabbage
  3. Tomato
  4. Spinach

Onion

 

Q.18 In cauliflower, which gene is responsible for accumulating B- carotene?

  1. Mi
  2. B
  3. Or
  4. ACr

Or

 

Q.19 Longest meiotic phase is?

  1. Metaphase
  2. Anaphase
  3. Telophase
  4. Prophase

Prophase

 

Q.20 Which year is the dead line for completion of PMGSY (Pradhan Mantri Gram Sadak Yojna)?

  1. 2018
  2. 2019
  3. 2020
  4. 2021

2019

 

Q.21 Which wild species of brinjal carrying resistance to shoot and fruit borer?

  1. Solanum mammosum
  2. S. Sisymbrifolium
  3. S. incannuum
  4. S. torum

Sisymbrifolium

 

Q.22 Which of the following is a rich source of vitamin B 12?

  1. Coconut milk
  2. Cashew nut
  3. Watermelon
  4. Areca nut

Coconut milk & Cashew nut

 

Q.23 Variety of papaya is?

  1. Red Lady
  2. Pusa Mridula
  3. Pusa Khor
  4. Arka Arun

Red Lady

 

Q.24 Major producer of coconut in the world is?

  1. Indonesia
  2. Malaysia
  3. India
  4. Philippines

Indonesia

 

Q.25 Marmalade is prepared from pulp of which of the following fruits?

  1. Mango
  2. Citrus
  3. Guava
  4. Pomegranate

Citrus

 

Q.26 According to international system, the particle diameter of silt varies from?

  1. 0.05 -0.002 mm
  2. 0.5 -0.25 mm
  3. 1.0 – 0.5 mm
  4. 2 – 1 mm

0.05 -0.002 mm

 

Q.27 Which of the following has the highest requirement of water?

  1. Rice
  2. Potato
  3. Sugarcane
  4. Maize

Sugarcane

 

Q.28 Turpentine is a polyembryonic rootstock of?

  1. Apple
  2. Grape
  3. Mango
  4. Plum

Mango

 

Q.29 Arka Manorma is the hybrid of?

  1. Gladiolus
  2. Carnation
  3. Tuberose
  4. Chrysanthemum

Gladiolus

 

Q.30 Palak variety tolerant to cercospora leaf spot is?

  1. Pura Jyoti
  2. Arka Harit
  3. Pant Composite-1
  4. Jobneer Green

Pant Composite-1

 

Q.31 Curcuma sps having high starch content?

  1. Curcuma augustifolea
  2. Curcuma zedoaria
  3. Curcuma aromatic
  4. Curcuma Longa

Curcuma augustifolea

 

Q.32 The best time for taking terminal cutting in Chrysanthemum is?

  1. Mid-June to end of June
  2. April
  3. Mid-August to mid-September
  4. October

Mid-June to end of June

 

Q.33 Name the wild species of tomato which is salt tolerant?

  1. Solanum cheesmanii
  2. S. pimpinellifolium
  3. S. chilense
  4. S. pennelli

Solanum cheesmanii & S. pennelli

 

Q.34 Kagzi lime is the best indicator for?

  1. Tristeza
  2. Leaf curl
  3. Greening
  4. Xyloporosis

Tristeza

 

Q.35 Which one is a seedless variety of mango?

  1. Arka puneat
  2. Amarpali
  3. Sindhu
  4. Mallika

Sindhu

 

Q.36 Crown chocking in coconut in due to deficiency of?

  1. Nitrogen
  2. Potash
  3. Boron
  4. Calcium

Boron

 

Q.37 Vacuum cooling most suitable for?

  1. Tuber crops
  2. Fruits
  3. Flowers
  4. Leafy vegetables

Leafy vegetables

 

Q.38  The ideal light intensity requirement for rose cultivation is?

  1. 2000 – 3000 foot candles
  2. 3000 – 5000 foot candles
  3. 6000 – 8000 foot candles
  4. 8500 -10,000 foot candles

6000 – 8000 foot candles

 

Q.39 White brinjal is recommended for?

  1. Diabetes
  2. Heart disease
  3. Skin disease
  4. Cancer

Diabetes

 

Q.40 Which of the following statement is NOT true about the physiological basis for rooting of cuttings?

  1. Auxin level is related to rooting
  2. High CHO and optimum N increase root growth
  3. Rooting co-factor has a role in rooting
  4. Co-factors are inorganic compound

Co-factors are inorganic compound




<script> 

Q.41 Chromosome number of capsicum 2n is equal to?

  1. 24
  2. 26
  3. 18
  4. 32

24

 

Q.42 The major share of fruits and vegetable export from India is in which country?

  1. United Arab Emirates
  2. Russia
  3. Europe
  4. USA

United Arab Emirates

 

Q.43 Which of the following is a salad vegetables crop based on its classification?

  1. Onion
  2. Tomato
  3. Lettuce
  4. Carrot

Lettuce

 

Q.44 Pectin in fruit is present in the form of?

  1. Pectinaze
  2. Calcium chloride
  3. Calcium nitrate
  4. Calcium pectate

Calcium pectate

 

Q.45 Which of the following is protandrous?

  1. Tomato
  2. Cauliflower
  3. Onion
  4. French bean

Onion

 

Q.46 The floribunda roses have been developed from the Cross between?

  1. Hybrid Perpetual × Polyanta
  2. Hybrid Tea × Polyanta
  3. Hybrid Polyanta × Tea rose
  4. Hybrid Perpetual × Tea rose

Hybrid Tea × Polyanta

 

Q.47 Leaf shape in black pepper is controlled by?

  1. Multiple alleles
  2. Two complementary gene
  3. Single receive gene
  4. Pleiotropy

Two complementary gene

 

Q.48 The enzyme which produce bad smelling aldehydes in vegetables?

  1. Polyphenol oxidase
  2. Lipo oxidase
  3. Amylose
  4. Protease

Lipo oxidase

 

Q.49 Which of the following is a purple flowered tree?

  1. Bahunia purpurea
  2. Cassia javanica
  3. Cassia fistula
  4. Corlia sebestira

Bahunia purpurea

 

Q.50 Which of the following chrysanthemum varieties is not suitable for garland purpose?

  1. Baggi
  2. Basanti
  3. Shanti
  4. Birbal Sahani

Birbal Sahani

 

Q.51 Triploid cassava variety is ?

  1. CO-2
  2. Sree Harsha
  3. Sree Savya
  4. Sree Ratna

Sree Harsha

 

Q.52 Most widely used plant growth regulator in viticulture for Berry elongation is?

  1. GA3
  2. 2,4-D
  3. NAA
  4. IAA

GA3

 

Q.53 Blastomaenia is physiological disorder of?

  1. Grape
  2. Peach
  3. Strawberry
  4. Citrus

Citrus

 

Q.54 Little leaf of brinjal is caused by?

  1. Bacteria
  2. Fungus
  3. Mycoplasma
  4. Virus

Mycoplasma

 

Q.55 Durgapur Kesar is variety of?

  1. Watermelon
  2. Pumpkin
  3. Muskmelon
  4. Summer squash

Watermelon

 

Q.56 Modi apple (Liberty ~ Gala) was introduced in India from?

  1. Italy
  2. Turkey
  3. Poland
  4. USA

Italy

ICAR Exam Paper

Q.57 The colour of golden rice is due to?

  1. Carotene
  2. Xanthophyll
  3. Loss of Chlorophyll
  4. Lycopene

Carotene

 

Q.58 The first tropical variety of cabbage which can set seed in North Indian plains is?

  1. Pusa samandh
  2. Pusa Ageti
  3. Colden Aere
  4. Pusa Drum head

Pusa Ageti

 

Q.59 Regularity in bearing of mango to some extent can be induced with the application of?

  1. Paclobutrazol
  2. Auxin
  3. Ethephon
  4. ABA

Paclobutrazol

 

Q.60 For population improvement in any crop, the best method is?

  1. Pure line selection
  2. Pedigree selection
  3. Mass selection
  4. Recurrent selection

Recurrent selection

 

Q.61 Fruit fly and powdery mildew are major problems in cultivation of which of the following crops?

  1. Guava
  2. Ber
  3. Grapes
  4. Apple

Ber

 

Q.62 Pusa Srijan is a rootstock of?

  1. Citrus
  2. Guava
  3. Grape
  4. Mango

Guava

 

Q.63 Bronzing in guava is due to deficiency of?

  1. Zn
  2. Mn
  3. Mg
  4. Cu

Zn

 

Q.64 Etawah pilot project for rural planning and development was put into practice in the year?

  1. 1948
  2. 1950
  3. 1952
  4. 1962

1948

 

Q.65 Which type of Apomixis is found in citrus?

  1. Polyembryony
  2. Recurrent
  3. Vegetative
  4. Non-recurrent

 

Q.66 Sweet potato requires photoperiod of how many hours?

  1. 7 hours
  2. 13 hours
  3. 9.5 hours
  4. 11 hours

11 hours

 

Q.67 Ideal range of soil temperature for seed germination of pumpkin ranges between?

  1. 20 -25°C
  2. 30 - 35°C
  3. 5 - 10°C
  4. 15 - 20°C

20 -25°C

 

Q.68 Which city is regarded as foliage capital of the world?

  1. Sydney
  2. Florida
  3. Tokyo
  4. Rome

Florida

 

Q.69 High pressure drip system works at operating pressure of?

  1. 30 psi
  2. Less than 30 psi
  3. More than 30 psi
  4. More than 40 psi

30 psi & More than 30 psi

 

Q.70 The training system followed in pomegranate is?

  1. Open centre
  2. Central leader
  3. Multistem
  4. Spindle bush

Multistem

 

Q.71 Which of the following is the largest coconut producing state in India?

  1. Madhya Pradesh
  2. Rajasthan
  3. Kerala
  4. Maharashtra

Kerala

 

Q.72 Mole sterility is common in?

  1. Carrot
  2. Bean
  3. Okra
  4. Palak

Carrot

 

Q.73 The first KVK of the country was established at Puducherry during the year?

  1. 1960
  2. 1974
  3. 1980
  4. 1985

1974

 

Q.74 In tomato yellow colour of fruit is due to which pigment?

  1. Lycopene
  2. Anthocyanin
  3. Carotenoid
  4. Xanthophyll

Carotenoid

 

Q.75 Lal Ambri apple hybrid is a cross between?

  1. Red delicious × Ambri
  2. Ambri × Red delicious
  3. Richared × Ambri
  4. Ambri × Richared

Red delicious × Ambri

 

Q.76 Parentage of "Arka Tejas” variety of carnation is?

  1. Dianthus caryophyllus × Dianthus chinesis
  2. Dianthus Chinesis × Dianthus carinatum
  3. Dianthus carinatum × Dianthus caryophyllus
  4. Dianthus chinesis × Dianthus caryophyllus

Dianthus caryophyllus × Dianthus chinesis

 

Q.77 Rose hip is richest source of?

  1. Vitamin C
  2. Vitamin A
  3. Chlorophyll
  4. Lycopene

Vitamin C

 

Q.78 Storage life of fruits and vegetables is extended by keeping them in and atmosphere?

  1. High in CO2 & Low in oxygen.
  2. High in oxygen & Low in CO2
  3. At low temperature.
  4. At high relative humidity.

High in CO2 & Low in oxygen.

 

Q.79 In guava 'Mrig Bahar' season bears flowering in which month?

  1. November - December
  2. February - March
  3. June - July
  4. October – November

June - July

 

Q.80 Pheromone traps are commonly used to control....... insect in cucurbits?

  1. Aphids
  2. Fruit fly
  3. Mites
  4. Red Pumpkin beetle

Fruit fly

 

Q.81 How many genes have been reported for powdery mildew resistance in pea?

  1. Single recessive 'er'
  2. Two recessive genes 'er1' and 'er2'
  3. One recessive (er) and one dominant (Er)
  4. Two recessive (er1 and er2) and one dominant (Er3)

Two recessive (er1 and er2) and one dominant (Er3)

 

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Q.82 Stenting is done in?

  1. Rose
  2. Carnation
  3. Chrysanthemum
  4. Gladiolus

Rose

 

Q.83 Tecomma grandiflora is a?

  1. Climbing plant
  2. Shrub
  3. Evergreen tree
  4. Deciduous tree

Climbing plant

 

Q.84 Which of the following in mango is mediated by dominant gene?

  1. Peel colour
  2. Dwarfism
  3. Precocity
  4. Regular bearing

Peel colour

 

Q.85 Mango hybrid which have Alphonso like characters but do not suffer from spongy tissue is?

  1. Arka Puneet
  2. Pusa Pectamber
  3. Sindhu
  4. Mallika

Arka Puneet

 

Q.86 Disease of papaya at nursery stage is?

  1. Damping off
  2. Wilting
  3. Anthracnose
  4. Downy mildew

Damping off

 

Q.87 Which of the following is NOT a gynodioecious cultivar of papaya?

  1. Coorg Honey Dew
  2. Pusa Mejesty
  3. Pusa Delicious
  4. Pusa Dwarf

Pusa Dwarf

 

Q.88 The right stage for banana harvest is when ridges on the surface of the skin changes from?

  1. Angular to round
  2. Round to angular
  3. Vertical to angular
  4. Angular to vertical

Angular to round

 

Q.89 Rootstock suitable for ultra-high density in citrus?

  1. Chinato
  2. Flying Dragon
  3. Eremocitrus
  4. Microcitrus

Flying Dragon

 

Q.90 Central Citrus Research Institute is located at?

  1. Nagpur
  2. Pune
  3. Ludhiana
  4. Jorhat

Nagpur

 

Q.91 The soils which are low in organic matter, high in clay content and high in cation exchange capacity are?

  1. Black soils
  2. Alluvial soils
  3. Red soils
  4. Laterites

Black soils

 

Q.92 Which of the following is a sympodial orchid?

  1. Phalaenopsis
  2. Renanthera
  3. Vanda
  4. Cattleya

Cattleya

 

Q.93 Which of the following solanaceous vegetable crops has maximum seed productivity per unit area?

  1. Tomato
  2. Chilli
  3. Bell pepper
  4. Brinjal

Chilli & Brinjal

 

Q.94 The area of the home, which is viewable from the street is known as?

  1. Approach or Front
  2. Public or Front
  3. Approach or Public
  4. Approach or Front or Public

Approach or Front or Public

 

Q.95 Japanese dinner table arrangement where fruits and vegetables are also used wilt flowers is called?

  1. lke-Bana
  2. Mori-Bana
  3. Mori-Mono
  4. Jiyu-Bana

Mori-Mono

 

Q.96 Coriander originated in?

  1. Mediterranean region
  2. Indonesia
  3. Western Ghats of India
  4. South East Area

Mediterranean region

 

Q.97 Monohybrids are derived by hybridizing two individuals which differ for?

  1. Single character
  2. Double character
  3. Quadruple character
  4. Multiple character

Single character

 

Q.98 Sweet orange variety developed by IARI, New Delhi is?

  1. Pusa Surya
  2. Pusa Sukomal
  3. Pusa Round
  4. Pusa Shrestha

Pusa Round

 

Q.99 The mean of a distribution is 14 and the standard deviation is 5.

What is the value of co-efficient of variation?

  1. 60.4%
  2. 48.3%
  3. 35.7%
  4. 27.8%

35.7%

 

Q.100 Which is non-mineral nutrient essential for plants?

  1. Nitrogen
  2. Phosphorus
  3. Carbon
  4. Potassium

Carbon

 

Q.101 A triploid watermelon variety Pusa Bedana was released in?

  1. 1970
  2. 1972
  3. 1976
  4. 1982

1972

 

Q.102 The use of rootstocks has been exploited more in which crop?

  1. Temperate fruits
  2. Subtropical fruits
  3. Tropical fruits
  4. Plantation crops

Temperate fruits

 

Q.103 Which of the following is 'Na' excluder rootstock of citrus?

  1. Trifoliate orange
  2. Sour orange
  3. Rangpur lime
  4. Citron

Trifoliate orange

 

Q.104 Which of the following fungus causes wilting in Guava?

  1. Fusarium
  2. Phytophthora
  3. Altemaria
  4. Colletotricum

Fusarium

 

Q.105 The botanical name of Kasturi / cochin turmeric is?

  1. Curcuma aromatica
  2. Curcuma amada
  3. Curcuma kaesia
  4. Curcuma angustifolie

Curcuma aromatica

 

Q.106 Pusa Parvati is a variety of French bean developed through?

  1. Clonal selection
  2. Mass selection
  3. Mutation breeding
  4. Pedigree selection

Mutation breeding

 

Q.107 Identify below a long duration variety of turmeric?

  1. Tekurpel
  2. Suranjana
  3. Suroma
  4. Suguna

Tekurpel

 

Q.108 'Palam Triloki' is a variety of?

  1. Tomato
  2. Garden pea
  3. French bean
  4. Broccoli

Garden pea

 

Q.109 Which of the following is commonly known as sword lily?

  1. Tuberose
  2. Carnation
  3. Gladiolus
  4. Daffodil

Gladiolus

 

Q.110 Banana hybrid for subsistence farming having medium to high resistance to leaf spot, wilt and nematodes is?

  1. H-1
  2. H-2
  3. CO-1
  4. Gold finger

H-1

 

Q.111 Homozygosity and homogeneity are maximum in?

  1. Pure line
  2. Inbred line
  3. Land races
  4. Synthetic varieties

Pure line

 

Q.112 Self-core Asiatic type variety of carrot is?

  1. Pusa Kesar
  2. Pusa Rudhira
  3. Pusa Vrishti
  4. Nantes

Pusa Rudhira

 

Q.113 Name the technology which is used to produce 'Flave Save tomatoes with increased shelf-life?

  1. Over expression of ACC deaminase
  2. Over expression of S adenosyl
  3. Down regulation of ACC oxidase
  4. Inhibition of ACC synthase

Inhibition of ACC synthase

 

Q.114 Aonla variety Krishana is a chance seedling from which of the following?

  1. Banarsi
  2. Chakaiya
  3. Francis
  4. Neelum

Banarsi

 

Q.115 Late maturity variety of ber is?

  1. Gola
  2. Seb
  3. Murdia
  4. Umran

Umran

 

Q.116 Name the type of male sterility commonly used in hybrid development of cole crops?

  1. Genetic male
  2. Cytoplasmic male sterility
  3. Cytoplasmic genic male sterility
  4. Chemical hybridizing agents (CHA)

Cytoplasmic male sterility

 

Q.117 Pusa Abhinav is a variety of?

  1. Acid lime
  2. Sweet orange
  3. Guava
  4. Mango

Acid lime

 

Q.118 Kala Amritsari is a variety of?

  1. Peach
  2. Sweet Potato
  3. Potato
  4. Plum

Plum

 

Q.119 Cauliflower originated from?

  1. Mediterranean region
  2. South and Central America
  3. Iran
  4. Africa

Mediterranean region

 

Q.120 The progenitor of cultivated cucumber is?

  1. Cucumis humifractus
  2. Cucumis hystibus
  3. Cucumis metuliferus
  4. Cucumis hardwickii

Cucumis hardwickii

<script> <script>

Q.121 Sugarcane production is maximum in which State?

  1. Tamil Nadu
  2. Maharashtra
  3. Uttar Pradesh
  4. Madhya Pradesh

Uttar Pradesh

 

Q.122 Contribution of vegetables in horticulture sector in India is about?

  1. 40%
  2. 50%
  3. 60%
  4. 70%

60%

ICAR Exam Paper

Q.123 Northern Spy is resistant to?

  1. Apple scale
  2. Powdery mildew
  3. Bitter pit
  4. Wooly apple aphid

Wooly apple aphid

 

Q.124 What kind of gene action determines the curd colour in cauliflower?

  1. Duplicate
  2. Complementary
  3. Polymeric
  4. Inhibitory

Complementary

 

Q.125 Cashew apple juice is rich in?

  1. Folic acid
  2. Ascorbic acid
  3. Nicotinic acid
  4. Riboflavin

Ascorbic acid

 

Q.126 Which disease mostly occurs in high density planting in banana?

  1. Sigatoka leaf spot
  2. Bunchy top
  3. Panama wilt
  4. Finger tip

Sigatoka leaf spot & Finger tip

 

Q.127 Which bean is cultivated during winter season?

  1. Phaseolus vulgaris
  2. Vicia faba
  3. Lablab purpureus
  4. Phaseolous luntatus

Vicia faba

 

Q.128 Chasma Shahi in Srinagar is an example of which type of garden?

  1. Mughal garden
  2. Japanese garden
  3. French garden
  4. English Garden

Mughal garden

 

Q.129 Shoot Tip grafting in used to produce plants free from?

  1. Virus
  2. Bacteria
  3. Fungi
  4. Nematodes

Virus

 

Q.130 Which of the following statement is NOT true for Papaya variety CO-6?

  1. A selection from Pusa Majesty
  2. Gynodioecious
  3. Large size fruit
  4. Dwarf stature

Gynodioecious

 

Q.131 The sex form of commonly cultivated black pepper is?

  1. Monoecious
  2. Andromonoecious
  3. Gynomonoecious
  4. Gynoecious

Monoecious & Gynomonoecious

 

Q.132 International flower auction centre in India is situated at?

  1. New Delhi
  2. Bengaluru
  3. Chennai
  4. West Bengal

Bengaluru

 

Q.133 Pasteurization of fruits and vegetables juice is done at what temperature for 30 minutes?

  1. 85 - 90°C
  2. 105 -110°C
  3. 45 – 50°C
  4. 65 – 70°C

85 - 90°C

 

Q.134 Which type of carnation is cultivated on a large scale under greenhouse conditions?

  1. Marguerite
  2. Perpetual
  3. Picotee
  4. Marmaison

Perpetual

 

Q.135 The art of training plant into different shapes, is known as?

  1. Hedge
  2. Topiary
  3. Edge
  4. Parabola

Topiary

 

Q.136 In vegetable improvements programmes, which hybridization method is most commonly used?

  1. Interspecific hybridization
  2. Intergeneric hybridization
  3. Intervarietal hybridization
  4. Distant hybridization

Intervarietal hybridization

 

Q.137 Plant growth regulator used for improving rooting in cuttings is?

  1. IBA
  2. GA3
  3. CCC
  4. BA

IBA

 

Q.138 The arrangement of ornamental plants around a tree is known as?

  1. Trophy
  2. Topiary
  3. Ikebana
  4. Carpet bed

Trophy

 

Q.139 Patharnakh is a variety of?

  1. Apple
  2. Pear
  3. Peach
  4. Plum

Pear

 

Q.140 Pear shaped tomato fruit variety is?

  1. Pure Gaurav
  2. Pure Sheetal
  3. Punjab Keshari
  4. Punjab Chhuhara

Punjab Chhuhara

 

Q.141 Which one of the following is NOT a salt resistant rootstock of grapes?

  1. Dogridge
  2. Salt Creak
  3. 1613
  4. 1813

1813

 

Q.142 Dwarf variety of Mango is?

  1. Mallika
  2. Langra
  3. Amrapali
  4. Ratna

Amrapali

ICAR Exam Paper

Q.143 Coconut water form a tender coconut is?

  1. Immature embryo
  2. Free nuclear endosperm
  3. Inner most layer of the seed coat
  4. Degenerated nucellus

Free nuclear endosperm

 

Q.144 What is the seed rate of onion for raising seedling for one-hectare area?

  1. 3-5 kg
  2. 5-7 kg
  3. 8-10 kg
  4. 12-14 kg

8-10 kg

 

Q.145 Powdery mildew disease is a serious problem of which of the following crops?

  1. Root crops
  2. Cucurbits
  3. Cole crops
  4. Leafy vegetables

Cucurbits

 

Q.146 Main objective of vegetable blanching is?

  1. Inactivation of bacteria
  2. Inactivation of enzymes
  3. Fixation of colour
  4. Removal of tissue gas

Inactivation of enzymes

 

Q.147 Edible part of tomato is?

  1. Pericarp and placentae
  2. Succulents thalamus
  3. Mesocarp
  4. Endocarp

Pericarp and placentae

 

Q.148 Name the tomato hybrid carrying resistance to three major disease?

  1. Arka Ananya
  2. Arka Rakshak
  3. Arka Alok
  4. Arka Abha

Arka Rakshak

 

Q.149 Indian Institute of Vegetable Research is located at?

  1. New Delhi
  2. Varanasi
  3. Bangalore
  4. Mumbai

Varanasi

 

Q.150 Which type of plant is ideal in cauliflower?

  1. Type I
  2. Type II
  3. Type III
  4. Type IV

Type III

 

Q.151 What is the optimum temperature for growth and heading of cabbage?

  1. 5 -10°C
  2. 10 – 15°C
  3. 15 – 20°C
  4. 25 – 30°C

15 – 20°C

 

Q.152 In sauerkraut, fermentation is started by?

  1. Leuconostoc mesenteroides
  2. Lactobacillus brevis
  3. Pedioeoccus cerevisiae
  4. Lacbabacillus plantarum

Leuconostoc mesenteroides

 

Q.153 Which nutrient has role in chlorophyll synthesis?

  1. Nitrogen
  2. Phosphorus
  3. Calcium
  4. Iron

Iron

 

Q.154 The Arid zone has total growing period of?

  1. 90 days
  2. 100 days
  3. 150 - 210 days
  4. 210 - 270 days

90 days

 

Q.155 Rosetting of black pepper is due to the deficiency of?

  1. Boron
  2. Calcium
  3. Magnesium
  4. Zinc

Zinc

 

Q.156 For low sugar content, potato tubers are stored at?

  1. 5°C
  2. 10°C
  3. 15°C
  4. 20°C

10°C

 

Q.157 GMS in chilli is maintained through?

  1. Heterozygous pollinator
  2. Homozygous pollinator
  3. Mutation
  4. Polyploidy

Heterozygous pollinator

 

Q.158 Monoembryonic citrus genotypes is?

  1. Pummelo
  2. Grape fruit
  3. Acid lime
  4. Sweet orange

Pummelo

 

Q.159 Vector of citrus greening disease is?

  1. Psylla
  2. Aphid
  3. Leaf miner
  4. Scale insect

Psylla

 

Q.160 National Botanical Research Institute is situated at?

  1. Lucknow
  2. Pune
  3. New Delhi
  4. Hyderabad

Lucknow

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