2265 + Mcqs in Science Page 16 McqOptions

751.	The design principle of total compatibility of all parts of an arrangement with eachbother is:
A.	Transition
B.	Texture
C.	Harmony
D.	Proportion
Answer» D. Proportion

Discussion

752.	Okra belongs to family
A.	Malvaceae
B.	Solanaceae
C.	Cucurbitacaea
D.	Chenopodiaceae
Answer» B. Solanaceae

Discussion

753.	A major advantage for producing nursery stock in containers is that it:
A.	Is less expensive than growing in nursery fields
B.	Allows for transplanting any time during the growing season
C.	Requires less water and fertilization than field-grown crops
D.	Requires less labor than field-grown crops
Answer» C. Requires less water and fertilization than field-grown crops

Discussion

754.	Cole crops are:
A.	Hardy
B.	Half hardy
C.	Non hardy
D.	Semi hardy
Answer» B. Half hardy

Discussion

755.	Which of the following turf areas is mowed to the lowest height?
A.	Commercial lawn
B.	Golf fairway
C.	Home lawn
D.	Golf green
Answer» E.

Discussion

756.	A thread-like stem or leaf which clings to any support, is known as
A.	Climber
B.	Tendril
C.	Sucker
D.	Creeper
Answer» C. Sucker

Discussion

757.	Why must any left over rooting hormone be discarded after use?
A.	To eliminate the possibility of contaminating the entire supply of rooting
B.	hormone.
C.	To conserve funds used to purchase rooting hormone.
D.	To deplete the supply of rooting hormone to help keep the supplier in business.
Answer» B. hormone.

Discussion

758.	Reproduction of plants through seeds are also called:
A.	Asexual propagation
B.	Vegetative propagation
C.	Sexual propagation
D.	Tissue culture
Answer» D. Tissue culture

Discussion

759.	The stalk of an inflorescence is known as:
A.	Pedicel
B.	Peduncle
C.	Perianth
D.	Petiole
Answer» C. Perianth

Discussion

760.	Isolation during seed production is done by:
A.	Types (Varieties)
B.	Plantation at a distance
C.	Zoning
D.	All of above
Answer» C. Zoning

Discussion

761.	Nuceller seedlings are also called as:
A.	Monoembryony
B.	Zygotic seedling
C.	Polyembryony
D.	None of them
Answer» D. None of them

Discussion

762.	The use of plant materials and landscaping techniques to conserve soil moisture and toreduce water usage is:
A.	Xeriscaping
B.	Waterscaping
C.	Natural landscaping
D.	Bogscaping
Answer» B. Waterscaping

Discussion

763.	A feathered petal which bears a distinct central band is:
A.	Flamed
B.	Flaked
C.	Floret
D.	Filament
Answer» B. Flaked

Discussion

764.	The Botanical name of sweet pepper is
A.	Capsicum annum
B.	Capsicum fruitesence
C.	Capsicum groosum
D.	None of above
Answer» D. None of above

Discussion

765.	Banana is a fruit type of:
A.	Non climacteric
B.	Climacteric
C.	Recurrent climacteric
D.	All of above
Answer» C. Recurrent climacteric

Discussion

766.	A flower- head or tightly packed inflorescence, is
A.	Trumpet
B.	Tepal
C.	Truss
D.	Tunic
Answer» D. Tunic

Discussion

767.	When installing a landscape, which step (from the following list) should be completedlast?
A.	Plant the trees and shrubs
B.	Add amendments to the soil
C.	Install the drainage system
D.	Build retaining walls and garden walkways
Answer» B. Add amendments to the soil

Discussion

768.	Potato dormancy can be broken through
A.	Chemical treatment
B.	Low temperature
C.	Both of these
D.	None of these
Answer» D. None of these

Discussion

769.	The soil moisture conservation technique under covered ground area is called:
A.	Fertigation
B.	Mulching
C.	Microjet irrigation
D.	Hydraulic
Answer» C. Microjet irrigation

Discussion

770.	Toxicity of Mg can be modified by adding ________:
A.	N
B.	PO4
C.	Ca
D.	K2O
Answer» D. K2O

Discussion

771.	Seed of strawberry fruit is:
A.	Achene
B.	True seed
C.	Viable seed
D.	Aborted seed
Answer» B. True seed

Discussion

772.	Landscape, in which rocks and grasses are used instead of flowers is called
A.	Rock gardening
B.	Japanese gardening
C.	Water gardening
D.	None of the above
Answer» C. Water gardening

Discussion

773.	A method of fertilizer application is __________.
A.	Sterilization
B.	Pasteurizing
C.	Side dressing
D.	Leaching
Answer» D. Leaching

Discussion

774.	Windproof shelterbelts are
A.	Very dense
B.	Medium dense
C.	Porous
D.	None of these
Answer» B. Medium dense

Discussion

775.	Pruning in old fruit trees increases fruit bud formation by increasing ______:
A.	Carbohydrates
B.	New vegetative growth
C.	Hormonal contents
D.	Cell sap
Answer» C. Hormonal contents

Discussion

776.	At fruit bud differentiation, nitrogen contents are _____________:
A.	Low
B.	Medium`
C.	High
D.	Very high
Answer» B. Medium`

Discussion

777.	The use of high nitrogen fertilizers in terrarium soil results in the release of
A.	Moisture
B.	Ammonia gas
C.	New plants
D.	None of the above
Answer» C. New plants

Discussion

778.	In Pakistan, vegetables for seed production are harvested by:
A.	Manual method
B.	Machines
C.	Combine harvestors
D.	All of above
Answer» B. Machines

Discussion

779.	Vegetable production for local consumption is:
A.	Market gardening
B.	Home gardening
C.	Truck gardening
D.	Vegetable forcing
Answer» B. Home gardening

Discussion

780.	A tool which is used for moving loose materials such as crushed stone. Peat moss etc, islandscape installation is known as:
A.	Ball cart
B.	Hand trowel
C.	Shovel
D.	Scoop
Answer» E.

Discussion

781.	is a common disease found on roses grown for cut flowers.
A.	Stem rot
B.	Rust
C.	Root rot
D.	Botrytis
Answer» E.

Discussion

782.	It is important to firm the soil around the base of the cutting due to following reasons:
A.	To eliminate air pockets.
B.	To make sure the base of the cutting makes good contact with the rooting media.
C.	Neither A nor B
D.	Both A and B
Answer» E.

Discussion

783.	All commercial date palm orchards in Pakistan are pollinated by
A.	Insects
B.	Winds
C.	Natural
D.	Manual
Answer» E.

Discussion

784.	Irrigation during blooming in apple
A.	Help to increase the fruit set
B.	Harm full to fruit set
C.	Shows no response
D.	Reduce the fruit development
Answer» C. Shows no response

Discussion

785.	Flower of grapes is technically called as:
A.	Umbel
B.	Recemose
C.	Clyptra
D.	None
Answer» D. None

Discussion

786.	Edible part of cauliflower is :
A.	Flowers
B.	Flower bud
C.	Vegetative bud
D.	Inflorescence
Answer» D. Inflorescence

Discussion

787.	The practice of manually watering a container plant until water comes out of the drainage holes of the container is effective for helping to reduce the buildup of __________ in the growing medium.
A.	Pathogens
B.	Soluble salts
C.	Pesticides
D.	Herbicides
Answer» C. Pesticides

Discussion

788.	How many seconds should a cutting be held in a liquid IBA rooting hormone?
A.	2
B.	5
C.	10
D.	12
Answer» C. 10

Discussion

789.	A complete flower has:
A.	5 whorls
B.	3 whorls
C.	2 whorls
D.	4 whorls
Answer» B. 3 whorls

Discussion

790.	Jaccaranda mimosifolia has
A.	Red flowers
B.	Yellow flowers
C.	White flowers
D.	Purple flowers
Answer» E.

Discussion

791.	The average humidity percentage recommended for interior plants is:
A.	70 to 100%
B.	40 to 70%
C.	20 to 30%
D.	10 to 20%86.
Answer» C. 20 to 30%

Discussion

792.	The phase of fruit bud formation continues until _________:
A.	Anthesis
B.	Petal formation
C.	Pollination
D.	Differentiation
Answer» B. Petal formation

Discussion

793.	Cuttings of potted chrysanthemums are planted at an angle to encourage:
A.	Increased branching
B.	Larger blooms
C.	A more rounded plant
D.	Earlier flowering
Answer» B. Larger blooms

Discussion

794.	Special leaf which bears a flower or cluster of flowers in its axils is called
A.	Bracts
B.	Compound leaf
C.	Simple leaf
D.	Non of these
Answer» B. Compound leaf

Discussion

795.	Colchicine is chemically:
A.	Volatile oil
B.	Tannins
C.	Protein
D.	Alkaloid
Answer» E.

Discussion

796.	Orthodox seeds after dissemination may be
A.	None dormant
B.	Dormant
C.	Quiescent
D.	All of above
Answer» E.

Discussion

797.	Low-lying plant that covers some area in the landscape is called;
A.	Shrub
B.	Ground cover
C.	Bedding plant
D.	Perennial
Answer» C. Bedding plant

Discussion

798.	A leaf of fern or palm is
A.	Simple leaf
B.	Pinna
C.	Frond
D.	Compound leaf
Answer» D. Compound leaf

Discussion

799.	Yellow wasp is a major pest of:
A.	Grape fruit
B.	Peach fruit
C.	Citrus fruit
D.	Mango fruit
Answer» B. Peach fruit

Discussion

800.	In temperate climates, pruning should not be done near the end of the summer because:
A.	New growth will not harden before winter
B.	It may increase foliage disease
C.	Plants will not recover in time to produce new growth before winter
D.	Sever “bleeding” from the cuts will kill the plant
Answer» B. It may increase foliage disease

Discussion

Explore topic-wise MCQs in Current Affairs.

The design principle of total compatibility of all parts of an arrangement with eachbother is:

Okra belongs to family

A major advantage for producing nursery stock in containers is that it:

Cole crops are:

Which of the following turf areas is mowed to the lowest height?

A thread-like stem or leaf which clings to any support, is known as

Why must any left over rooting hormone be discarded after use?

Reproduction of plants through seeds are also called:

The stalk of an inflorescence is known as:

Isolation during seed production is done by:

Nuceller seedlings are also called as:

The use of plant materials and landscaping techniques to conserve soil moisture and toreduce water usage is:

A feathered petal which bears a distinct central band is:

The Botanical name of sweet pepper is

Banana is a fruit type of:

A flower- head or tightly packed inflorescence, is

When installing a landscape, which step (from the following list) should be completedlast?

Potato dormancy can be broken through

The soil moisture conservation technique under covered ground area is called:

Toxicity of Mg can be modified by adding ________:

Seed of strawberry fruit is:

Landscape, in which rocks and grasses are used instead of flowers is called

A method of fertilizer application is __________.

Windproof shelterbelts are

Pruning in old fruit trees increases fruit bud formation by increasing ______:

At fruit bud differentiation, nitrogen contents are _____________:

The use of high nitrogen fertilizers in terrarium soil results in the release of

In Pakistan, vegetables for seed production are harvested by:

Vegetable production for local consumption is:

A tool which is used for moving loose materials such as crushed stone. Peat moss etc, islandscape installation is known as:

is a common disease found on roses grown for cut flowers.

It is important to firm the soil around the base of the cutting due to following reasons:

All commercial date palm orchards in Pakistan are pollinated by

Irrigation during blooming in apple

Flower of grapes is technically called as:

Edible part of cauliflower is :

The practice of manually watering a container plant until water comes out of the drainage holes of the container is effective for helping to reduce the buildup of __________ in the growing medium.

How many seconds should a cutting be held in a liquid IBA rooting hormone?

A complete flower has:

Jaccaranda mimosifolia has

The average humidity percentage recommended for interior plants is:

The phase of fruit bud formation continues until _________:

Cuttings of potted chrysanthemums are planted at an angle to encourage:

Special leaf which bears a flower or cluster of flowers in its axils is called

Colchicine is chemically:

Orthodox seeds after dissemination may be

Low-lying plant that covers some area in the landscape is called;

A leaf of fern or palm is

Yellow wasp is a major pest of:

In temperate climates, pruning should not be done near the end of the summer because: