Horticulture most important questions for competitive exams

Horticulture most important questions for competitive exams – Part 1

1.Pectin is measured by :

(a) Jelli Meter

(b) Thermometer

(c) Refractometer

(d) All the above

  1. “Pusa- Meghali” is an improved variety of:

(a) Carrot

(b) Radish

(c) Beet root

(d) Turnip

  1. “Parbhani Kranti” is a popular variety of:

(a) Brinjal

(b) Okra

(c) Potato

(d) Chilli

  1. “Pungency” in chilli is due to presence of :

(a) Capsaicin

(b) Sulphur

(c) Amides

(d) Magnesium

  1. Which of the following crops is produced maximum in the world?

(a) Mango

(b) Tomato

(c) Potato

(d) Grapes

  1. Which of the following fruits contains the highest amount of Ascorbic Acid?

(a) Aonla

(b) Mango

(c) Apple

(d) Orange

  1. The stem above the ground in banana is known as:

(a) Rhizome

(b) Pseudostem

(c) Sucker

(d) None of these

  1. Richest source of Vitamin fruit

(a) Ripe mango

(b) Carrot root

(c) Ripe papaya fruit

(d) Ripe tomato fruit

  1. Which of the following is used to check sprouting of onion under storage?

(a) N.A. A.

(b) M.H.

(c) G.A.

(d) P.C.P.A.

  1. Varsha Upahar is a variety of:

(a) Okra

(b) Cabbage

(c) Chilli

(d) Cowpea

  1. The plant growth hormone which helps in enlarging the grape fruit is:

(a) Abscisic acid

(c) Cytokinnins

(b) Gibberellic acid

(d) Ethylene

  1. Kinnow is basically a :

(a) Tangerine

(b) Tangor

(c) Mandarin

(d) Citrange

  1. Redness in apple is due to:

(a) Anthocyanin

(b) Lycopene

(d) Xanthophyll

(c) Carotene

  1. Best method of vegetative propagation in Aonla is:

(a) Veneer grafting

(b) Air layering

(c) Chip budding

(d) Patch budding

  1. Vegetative parthenocarpy is found in:

(a) Grape

(c) Fig

(b) Banana

(d) Seedless guava

  1. Central Institute of Subtropical Horticulture is located at:

(a) Lucknow

(b) Udham Singh Nagar

(c) Jorhat

(d) Bangalore

  1. Which of the following preservative is used for preparation of tomato ketchup?

(a) Potassium metabisulphite

(b) Sodium benzoate

(c) Sodium metabisulphite

(d) Citric acid

  1. Gladiolus is propagated by which method?

(a) True seed

(b) Bulbs

(c) Stem cutting

(d) Roots

  1. The Taj garden of Agra (Tajmahal) is the typical example of :

(a) Italian Style of gardening

(b) Japanese Style of gardening

(c) Hindu (Indian) Style of gardening

(d) Mughal Style of gardening

  1. The leading Indian State in Floriculture trade is :

(a) Uttar Pradesh

(b) Punjab

(c) Karnataka

(d) Jharkhand

  1. Seed Constitutes more than 50% of cost of production in the crop :

(a) Tomato

(b) Potato

(c) Sugarcane

(d) Hybrid Sunflower

  1. In India the productivity of banana is highest in:

(a) West Bengal

(b) Tamil Nadu

(c) Kerala

(d) Maharastra

  1. Which one of the following is the permanent method of preservation of fruits and vegetables?

(a) Pasteurization

(b) Blanching

(c) Canning and bottling

(d) Exclusion of moisture

  1. The uniform flowering in pineapple can be induced by application of

(a) 100 ppm MH

(b) 50 ppm GA3

(c) 25 ppm Ethephon + 2% urea

(d) 50 ppm paclobutrazol

  1. ‘Roopa’ is an improved variety of

(a) Litchi

(b) Walnut

(d) Guava

(c) Pomegranate

  1. Which one of the following variety of mangoes is developed by clonal selection and bears fruit regularly?

(a) Niranjan

(b) Manjira

(c) Dashehari-51

(d) Arka Neelkiran

  1. Which of the following fruits are botanically called as “Hesperidium” ?

(a) Jack fruit

(b) Orange

(d) Apple

(c) Litchi

  1. Olour is a polyembryonic variety which fruit ?

(a) Guava

(c) Mango

(b) Citrus

(d) Strawberry

  1. Which one of the following is a stem vegetable?

(b) Sweet potato

(a) Carrot

(d) Radish

(c) Knol-khol

  1. ‘RATNA’ variety of mango is a cross of:

(a) Neelam × Dashehari

(b) Dashehari × Neelam

(c) Neelam × Alphonso

(d) None of these

  1. Which one of the following is dioecious plant ?

(a) Peach

(c) Pea

(b) Pomegranate

(d) Pointed gourd

  1. Which one of the following is not a variety of mango?

(a) Arka Aruna

(c) Arka Anmol

(b) Arka Puneet

(d) Arka Hans

  1. Which of following fruits are indigenous to India ?

(a) Mango, Banana

(b) Bael, Jack fruit

(c) Aonla, Phalsa

(d) All of these

  1. Wax coating treatments enhances the shelf life of fruits because it blocks :

(a) Transpiration

(b) Respiration

(c) Ripening process

(d) None of these

  1. Yellow coloured fruits and vegetables are rich source of :

(b) Vitamin C

(a) Vitamin E

(c) Vitamin A

(d) Vitamin B

  1. Pusa Giant variety of papaya is:

(b) Gynodioecious

(a) Dioecious

(c) Monoecious

(d) Andromonoecious

  1. Which of the following fruit is suitable for jam making ?

(a) Mango

(b) Banana

(d) Lemon

(c) Aonla

  1. Pruning in ber is done?

(a) During rainy season

(b) During winter

(c) During spring

(d) During summer

  1. Which one of the following is a rich source of iron ?

(a) Mango

(c) Apple

(d) Karonda

  1. Edible banana is :

(b) Triploid

(d) None of these

(a) Diploid

(c) Tetraploid

  1. Polyembryonic varieties of mango is:

(a) Chandrakaran

(b) Olour

(c) Salem

(d) All of these

  1. Refractometer is used to determine:

(a) Minerals

(b) T.S.S. (total soluble solids)

(c) Vitamins (d) None of these

  1. Vegetables are canned in :

(a) Brine

(b) Syrup

(c) Distilled water

(d) None of these

  1. Fruits are blanched before canning at:

(a) 80°C

(c) 100 °C

(b) 90 °C

(d) None of these

  1. C. F. T. R. I. is located at:

(a) New Delhi

(c) Hyderabad

(b) Banglore

(d) Mysore

  1. Which one of the following is a regular bearing variety of mango?

(a) Samar bahista chausa

(b) Langra

(c) Amrapali

(d) Alphonso

  1. In north India pruning in grape is done in the month of

(a) October

(b) March

(c) January

(d) July

  1. Which one of the following is the gynodioecions cultivar of papaya ?

(a) Ranchi

(b) Pusa Dwarf

(c) Pusa Giant

(d) Pusa Majesty

  1. Which of the following is the late ripening cultivar of ber?

(a) Umran

(b) Gola

(c) Kaithli

(d) Sindhura Narnaul

  1. Generally seedless watermelon

(a) Diploid

(b) Triploid

(c) Tetraploid

(d) Hexaploid

  1. For biological control of tomato fruit borer, the ideal trap crop is

(a) Marigold

(b) Mustard

(c) Tobacco

(d) Garlic

  1. The yellow colour in onion is due to the pigment

(a) Anthocyanin

(b) Quercetin

(c) Lycopene

(d) Carotene

  1. Krishna and Kanchan are varieties of

(a) Grape

(c) Aonla

(b) Loquat

(d) Apple

  1. The edible part of pomegranate is

(a) Thalamus

(c) Endocarp

(b) Mesocarp

(d) Aril

  1. Wind breaks are planted in orchards towards

(a) South West

(c) North East

(b) North West

(d) East South

  1. Onion variety suitable for kharif crop is

(a) Pusa red

(b) Pusa ratnar

(c) Agrifound dark red

(d) Agrifound light red

  1. Exhausting temperature of canned fruits and vegetables is

(a) 70-72 °C

(b) 80-82 °C

(c) 90-92 °C

(d) 100-102 °C

  1. Botanically pineapple fruit is

(a) Sorosis

(b) Balusta

(d) Pome

(c) Berry

  1. The primary objective of green house cultivation of vegetables is

(a) To get early yield

(b) To get off season yield

(c) To protect the crop from diseases

(d) To protect the crop from excessive rains

  1. The richest source of iron is

(a) Parsley

(c) Celery

(b) Spinach

(d) Green peas

  1. Papaya is rich in

(a) Vitamin A

(b) Vitamin B

(c) Vitamin C

(d) Vitamin E

  1. An ideal fruit for making jelly should be rich in

(a) Pectin and sugars

(b) Acids and proteins

(c) Sugars and acids

(d) Pectin and acids

  1. The recommended storage temperature to extend the shelf life of banana is

(a) 0°C

(c) 12-15 °C

(b) 2-5 °C

(d) 25-28 °C

  1. In India, which of the following fruit has the highest production?

(a) Mango

(c) Banana

(b) Citrus

(d) Grapes

  1. Late cauliflower does not set seed in plains due to absence of

(a) Long day and high temperature

(b) Long day and low temperature

(c) Short day and high temperature

(d) Short day and low temperature

  1. Pusa Mukta, an improved variety cabbage is resistant to

(a) White rot

(b) Black rot

(c) Downey mildew

(d) Powdery mildew

  1. Which one of the following regions is famous for the states cultivation of orchids ?

(a) Himachal Pradesh

(b) Uttaranchal

(c) N. E. Region

(d) Kerala

  1. Which one of the following is most suitable used as a filler crop in a mango orchard ?

(a) Aonla

(c) Pomegranate

(b) Grape

(d) Papaya

  1. Budding is most commonly done when there is

(a) Good sap flow in the plants

(b) No sap flow in the plants

(c) Early plants initiation

(d) Late initiation of growth in the plants

  1. In hexagonal system of planting how much more percentages of trees can be planted as compared to square method:

(a) 25

(c) 10

(b) 40

(d) 15

  1. Kinnow mandarin was developed by:

(b) W. B. Hayes

(a) L. Moss

(c) T. Tanaka

(d) H. B. Frost

72.The antisterility vitamin in

(a) Vitamin A

(c) Vitamin E

(b) Vitamin B

(d) Vitamin D

  1. Mango seed lose their viability within

(a) 3-4 week

(c) 7-8 week

(b) 4-5 week

(d) 10-15 week

  1. International Institute of Horticulture is situated in

(a) Italy

(b) Brazil

(d) China

(c) India

  1. Which country ranked highest in vegetables production? (Economic Survey, 2004-05)

(b) China

(d) USSR

(a) India

(c) USA

  1. Who is the father of systematic pomology?

(a) Decandole

(b) Mendel

(c) Darwin

(d) None of these

  1. National Horticulture Board was established in

(a) 1976

(c) 1987

(b) 1984

(d) 1990

  1. Agriculture and Processed Products Development Authority (APEDA) was came in existence in

(a) 1975

(b) 1980

(c) 1985

(d) 1990

  1. Which fruit is known as “Miracle fruit of China” ?

(a) Kiwi fruit

(b) Mango

(d) Loquat

(c) Litchi

  1. Granulation is a physiological disorder of

(a) Sapota

(b) Citrus

(d) Guava

(c) Mango

  1. Pineapple is highly suited for

(a) Tropical humid region

(b) Arid region

(c) Temperate region

(d) None of these

  1. Which one of the following fruits belongs to family Anacardiaceae ?

(a) Aonla

(c) Cashewnut

(b) Litchi

(d) Walnut

  1. Skiffing is practised in which plantation crop

(a) Rubber

(b) Coffee

(c) Tea

(d) Cashewnut

  1. D-leaf is a best indicator of nutrient status of

(a) Pineapple

(b) Apple

(c) Banana

(d) Ber

  1. Most heavily pruned fruit plant is

(a) Ber

(b) Loquat

(d) Guava

(c) Mango

  1. Fruit which starts bearing in one year of planting

(a) Pineapple

(b) Papaya

(c) Banana

(d) Strawberry

  1. Fruit on the basis of respiration can be classified as

(a) Parthenocarpic

(b) Climacteric and Non climacteric

(c) Non climacteric

(d) None of these

  1. Disease free plants in micropropagation can be obtained through

(a) Anther culture

(b) Micropropagation

(c) Meristem culture

(d) Embryo rescue

  1. Fruit thinning growth regulator is

(a) NAA

(c) CK

(b) IAA

(d) GA3

  1. Iron deficiency in plant is

(a) Mottling of leaf

(b) Yellowing of new leaves

(c) Interveinal chlorosis of old leaves

(d) Little leaf

  1. Best root stock for citrus in south is

(a) Citrange

(b) Cleopatra mandarin

(c) Rangpur lime

(d) Name of these

  1. Leaf scorching in Mango is due to

(a) Chloride toxicity

(b) Chloride deficiency

(c) N deficiency

(d) P deficiency

  1. Protandry is a problem in

(a) Banana

(c) Papaya

(b) Walnut

(d) Grape

  1. Pine apple belong to which family

(a) Juglandaceae

(b)Palmae

(c) Anacardiaceae

(d) Bromeliaceae

  1. Most acidic citrus fruit belongs to

(a) Citrus megalaxycarpa

(b) C. jambhiri

(c) C. medurensis

(d) C. pennivesuculata

  1. Which chemical acts mechanical harvesting? as an aid for

(a) ABA

(c) Ethephon

(b) GA3

(d) IAA

  1. First successful transgenic fruit plant is produced in which fruit ?

(a) Apple

(b) Mango

(c) Pear

(d) Walnut

  1. Botanically loquat fruit is a

(a) Sorosis

(b) Nut

(c) Pome

(d) Stone

  1. Black tip in mango is a physiological disorder due to

(a) Chloride toxicity

(b) Carbon monoxide

(c) Deficiency of Mg

(d) Excess Boron

  1. The most susceptible fruit crop to water logging is

(a) Banana

(b) Ber

(c) Papaya

(d) Jamun

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