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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) .

201.

First and the heaviest flower drop in fruit plants occurs due to :

A. Structural defects in the flowers
B. Lack of pollination
C. Non fertilization
D. All of the above
Answer» D. All of the above
202.

Salient factors which contribute to the fruit drop are:

A. Embryo abortion
B. Seed number of fruit
C. Moisture supply
D. All of the above
Answer» D. All of the above
203.

Dormancy can be broken by the use of:

A. Thiourea
B. Ethlene chlorohydrin
C. Ethylene acetylene
D. All of the above
Answer» D. All of the above
204.

Solanum melogena is locally known as :

A. Tomato
B. Potato
C. Egg plant
D. Chillies
Answer» C. Egg plant
205.

Why hardening is practiced in vegetables:

A. To increase the yield
B. To increase fruit colour
C. To increase the resistance of the plant
D. All of the above
Answer» C. To increase the resistance of the plant
206.

At fruit bud differentiation, nitrogen contents are _____________:

A. Low
B. Medium`
C. High
D. Very high
Answer» A. Low
207.

Word pomum means:

A. Fruit
B. Vegetable
C. Flower
D. None of these
Answer» A. Fruit
208.

Chromose number of citrus is:

A. 8
B. 9
C. 10
D. 11
Answer» B. 9
209.

Parthenocarpy refers to :

A. Seedless fruits
B. Fruit without pollination
C. Seeds without pollination
D. None of above
Answer» B. Fruit without pollination
210.

Flower of grapes is technically called as:

A. Umbel
B. Recemose
C. Clyptra
D. None
Answer» C. Clyptra
211.

Anthesis of grapes complete at:

A. Pedicel fall
B. Calyx drop
C. Cap fall
D. None
Answer» C. Cap fall
212.

Date palm leaf is called:

A. Simple leaf
B. Long leaf
C. Frond
D. Pinna
Answer» C. Frond
213.

Dioecious, monocot fruit tree is:

A. Banana
B. Pomegranate
C. Date palm
D. Papaya
Answer» C. Date palm
214.

Dicot, diecious fruit tree is:

A. Papaya
B. Date palm
C. Mango
D. Banana
Answer» A. Papaya
215.

Monocot and monoecious fruit plant is:

A. Banana
B. Papaya
C. Date palm
D. None
Answer» A. Banana
216.

Tree fruit can tolerate a soil pH in the range of:

A. 4.5-8.5
B. 5.5-8.0
C. 5.0-8.0
D. 5.5-8.5
Answer» D. 5.5-8.5
217.

Water potential in rhizosphere is measured with:

A. Tensiometer
B. Hygrometer
C. pH meter
D. Thermo meter
Answer» A. Tensiometer
218.

Grape plant is technically called as:

A. Liana
B. Vine
C. Creeper
D. Bush
Answer» A. Liana
219.

Guava plant is technically categorized as:

A. Bush
B. Tree
C. Herb
D. None
Answer» A. Bush
220.

Citrus belongs to sub family:

A. Citrea
B. Clausnea
C. Aurantioideae
D. Citrae
Answer» C. Aurantioideae
221.

Citrus fruit is botanically:

A. Hesperidium berry
B. Pome fruit
C. Climacteric fruit
D. None
Answer» A. Hesperidium berry
222.

Apple fruit develops from:

A. Thalamus
B. Ovary
C. Ovule
D. Pedicel
Answer» A. Thalamus
223.

A complete flower has:

A. 5 whorls
B. 3 whorls
C. 2 whorls
D. 4 whorls
Answer» A. 5 whorls
224.

Kinnow seed is:

A. Polyembryonic
B. Monoembryonic
C. Multiembryonic
D. None
Answer» A. Polyembryonic
225.

Apomictic seedlings are also called as:

A. Nucellar seedlings
B. Sexual seedlings
C. Embryonic seedlings
D. None
Answer» A. Nucellar seedlings
226.

Cherry is a:

A. Berry fruit
B. Stone fruit
C. Pome fruit
D. Drupe
Answer» B. Stone fruit
227.

Seed of strawberry fruit is:

A. Achene
B. True seed
C. Viable seed
D. Aborted seed
Answer» A. Achene
228.

Mulberry is a fruit of type:

A. Multiple
B. Berry
C. Aggregate
D. Peppo
Answer» C. Aggregate
229.

The biggest fruit plant containing family is:

A. Rosaceae
B. Citrea
C. Leguminoseae
D. Vitaceae
Answer» A. Rosaceae
230.

Chilling injury in plants occurs at a temperature:

A. <4°C
B. <5°C
C. <8°C
D. <9°C
Answer» B. <5°C
231.

Both Mango and Pistachio belongs to one family:

A. Anacardiaceae
B. Mangifera
C. Gramineae
D. None
Answer» A. Anacardiaceae
232.

Date palm is also called as:

A. Feather palm
B. Wild palm
C. Century palm
D. Domestic palm
Answer» A. Feather palm
233.

Green hard stage of date fruit is:

A. Kimri
B. Rutab
C. Doka
D. Dung
Answer» A. Kimri
234.

Date fruit for curring is harvested at:

A. Rutab stage
B. Tamar stage
C. Dung stage
D. None
Answer» A. Rutab stage
235.

Banana fruit is called as

A. Finger
B. Hand
C. Heart
D. None
Answer» A. Finger
236.

Peaches belongs to family

A. Rosaceae
B. Rutaceae
C. Palmaceae
D. None
Answer» A. Rosaceae
237.

Kumquat fruit is edible

A. Whole fruit
B. Without peel
C. With seed
D. None
Answer» A. Whole fruit
238.

Guava is a rich source of

A. Vitamin C
B. Pectin
C. a & b
D. Sugar
Answer» C. a & b
239.

Common rootstock for citrus in Punjab

A. Rough lemon
B. Sour orange
C. Sweet orange
D. Sweet lime
Answer» A. Rough lemon
240.

Pruning is a regular practice in date palm variety

A. Hillawi
B. Khudrawi
C. Deglet Noor
D. Hillini
Answer» C. Deglet Noor
241.

Excess of N in citrus plant may cause

A. Leaf drop
B. Lodging
C. Flower drop
D. Fruit drop
Answer» C. Flower drop
242.

Alternate bearing is a problem of following fruit crops

A. Mango
B. Apple
C. Citrus
D. All of above
Answer» D. All of above
243.

Citrus can tolerate a salinity level

A. pH 9.0
B. pH 8.5
C. pH 7.5
D. pH 4.5
Answer» B. pH 8.5
244.

Male inflorescence of Cashew nut and Walnut is called

A. Catkins
B. Rachis
C. Cyme
D. None
Answer» A. Catkins
245.

“Hari” is a rootstock for

A. Walnut
B. Apricot
C. Mulberry
D. None
Answer» B. Apricot
246.

Apple bears on

A. Shoots
B. Sprigs
C. Spurs
D. Twigs
Answer» C. Spurs
247.

Bearing habit of mango is

A. Terminal
B. Lateral
C. Axillary
D. Basal
Answer» A. Terminal
248.

Polyembryony means

A. One embryo
B. Two embryo
C. Two or more embryos
D. More than three embryo
Answer» C. Two or more embryos
249.

Head in fire, foot in water is a proverb for

A. Olive
B. Coconut
C. Date palm
D. None
Answer» C. Date palm
250.

Pears are

A. Universally self compatible
B. Universally self incompatible
C. Gross compatible
D. None
Answer» B. Universally self incompatible

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