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930+ Horticultural Science Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .

101.

Drupe fruits have all the three ovarian layers

A. Fused
B. Separated
C. Mixed
D. None of these
Answer» B. Separated
102.

Creeping vegetables crops are grown on

A. Beds
B. Ridges
C. Flats
D. All of these
Answer» A. Beds
103.

Mango is a

A. Drupe fruit
B. Pome fruit
C. Berry fruit
D. Aggregate fruit
Answer» A. Drupe fruit
104.

Citrus is a special type of

A. Berry
B. Pome
C. Drupe
D. None of these
Answer» A. Berry
105.

Dicots could be identified on the basis of:

A. Reticulate leaf venations
B. Parallel venations
C. No leaf venations
D. None of these
Answer» A. Reticulate leaf venations
106.

In binomial nomenclature system, 1st name is:

A. Genus name
B. Spp. name
C. Family name
D. Sub. Family name
Answer» A. Genus name
107.

Most of the summer vegetables belong to family:

A. Solanaecae
B. Cucurbitaceae
C. Malvaceae
D. Poaceae
Answer» B. Cucurbitaceae
108.

Cultivar means

A. Some cultivated variety
B. Discarded variety
C. Rejected variety
D. Approved variety
Answer» A. Some cultivated variety
109.

Pears and beans are rich source of:

A. Carbohydrates
B. Protein
C. Both
D. None of these
Answer» B. Protein
110.

Potato and sweet potato are well known for

A. Carbohydrates
B. Proteins
C. Vitamins
D. All of these
Answer» A. Carbohydrates
111.

Leafy vegetables provide

A. Iron
B. Carbohydrates
C. Protein
D. None of these
Answer» A. Iron
112.

Iron is a carrier of

A. Oxygen
B. CO2
C. Both of these
D. None of these
Answer» A. Oxygen
113.

Vitamin A is effective against

A. Night blindness
B. Beri beri disease
C. Gum problems
D. None of these
Answer» A. Night blindness
114.

Carrot is a rich source of vitamin:

A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer» A. Vitamin A
115.

Cole crops are comprised of:

A. Cauliflower
B. Cabbage
C. Knol Khol
D. All of these
Answer» D. All of these
116.

Salad crops are

A. Lettuce
B. Radish
C. Cabbage
D. All of these
Answer» D. All of these
117.

Which of the following crop is grown sexually

A. Potato
B. Garlic
C. Onion
D. Turmeric
Answer» C. Onion
118.

Tomato varieties are mainly:

A. Indeterminate type
B. Determinate type
C. Both types
D. None of these
Answer» C. Both types
119.

Fertigation refers to the application of fertilizer with

A. Water
B. Rain
C. Both of these
D. None of these
Answer» A. Water
120.

In hydroponic system plants are grown in

A. Water
B. Soil
C. Sand
D. Gravels
Answer» A. Water
121.

Through drip we can provide

A. Water
B. Fertilizer
C. Both of the above
D. None of these
Answer» C. Both of the above
122.

Nitrogen in vegetables is needed for

A. Vegetative growth
B. Ripening /maturity
C. Reproductive growth
D. None of these
Answer» A. Vegetative growth
123.

Seed potato seed has

A. Dormancy
B. Rest period
C. Both of these
D. None of these
Answer» A. Dormancy
124.

Carrot and coriander belong to the family

A. Umbelliferae
B. Crucifereae
C. Cucurbitaceae
D. None of these
Answer» A. Umbelliferae
125.

Potato belong to the family

A. Solanaceae
B. Umbelliferae
C. Cruciferae
D. None of these
Answer» A. Solanaceae
126.

Melons belong to the family

A. Cucurbitaceae
B. Solanaceae
C. Crucifereae
D. None of these
Answer» A. Cucurbitaceae
127.

Melons have seeds in

A. Cavity/centre
B. Scattered
C. Both type may be
D. None of these
Answer» A. Cavity/centre
128.

Cantaloupe belongs to the group:

A. Cucurbits
B. Melons
C. Gourds
D. Squashes
Answer» B. Melons
129.

Hybrid varieties of cucumber grown in tunnels are:

A. Parthenocarpic
B. Zygotic
C. Both types
D. None of these
Answer» A. Parthenocarpic
130.

Staking of vines in rainy season is done to avoid:

A. Insect attack
B. Disease attack
C. Sunscald
D. None of these
Answer» B. Disease attack
131.

Optimum temperature for potato tuber formation is

A. 20-22°C
B. 25-30°C
C. 22-25°C
D. All of these
Answer» A. 20-22°C
132.

Tuber initiation in potato starts after

A. 7th week
B. 9th week
C. 5th week
D. 4th week
Answer» A. 7th week
133.

Color of carrot depends upon

A. Age
B. Variety
C. Season
D. All of these
Answer» D. All of these
134.

Splitting of carrot is due to

A. Fresh manure
B. Heavy fertilizer
C. Less fertilizer
D. None of these
Answer» A. Fresh manure
135.

High temperature in chillies causes

A. Flower drop
B. Fruit drop
C. Both of the above
D. None of these
Answer» C. Both of the above
136.

Early blight and late blight of potato are

A. Fungal disease
B. Viral disease
C. Bacterial disease
D. Disorders
Answer» A. Fungal disease
137.

Potato dormancy can be broken through

A. Chemical treatment
B. Low temperature
C. Both of these
D. None of these
Answer» C. Both of these
138.

Dormancy period in potato is about

A. 2 Months
B. 1 Month
C. 3 Months
D. ½ Month
Answer» A. 2 Months
139.

Seed rate/acre in potato for autumn crop is

A. 900-1100 Kg
B. 500 Kg
C. 400 Kg
D. 100 Kg
Answer» A. 900-1100 Kg
140.

Potato cut tuber are used for planting during

A. Autumn crop
B. Spring crop
C. Both of above
D. None of above
Answer» B. Spring crop
141.

Hollow heart of potato is a

A. Disease
B. Disorder
C. Insect attack
D. Deficiency
Answer» B. Disorder
142.

Potato tubers become green if

A. Exposed to light
B. Attacked by insect
C. Infected
D. None of these
Answer» A. Exposed to light
143.

Virus free seeds of potato are produced in

A. Hilly areas
B. Spring crop
C. In plains
D. Autumn crop
Answer» A. Hilly areas
144.

Okra belongs to family

A. Malvaceae
B. Solanaceae
C. Cucurbitacaea
D. Chenopodiaceae
Answer» A. Malvaceae
145.

Desiree and Cardinal are varieties of

A. Carrot
B. Potato
C. Radish
D. Peas
Answer» B. Potato
146.

Which of the following vegetable is directly seeded in field:

A. Chillies
B. Tomato
C. Brinjal
D. Peas
Answer» D. Peas
147.

Buttoning is a disorder of

A. Cauliflower
B. Peas
C. Potato
D. Tomato
Answer» A. Cauliflower
148.

Production of very small sized heads in cauliflower is called

A. Buttoning
B. Belting
C. Both of these
D. None of these
Answer» A. Buttoning
149.

Development of seed stalks earlier in biennial crops is called

A. Bolting
B. Buttoning
C. Greening
D. None of these
Answer» A. Bolting
150.

Bolting in biennial crops is due to

A. Low temperature exposure
B. High temperature exposure
C. Both of these
D. None of these
Answer» A. Low temperature exposure

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