3601. Very hot and winterless condition is__________________?
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A. And

B. Tropical

C. Temperature

D. None of the above

3602. Due to phosphorus deficiency in plants____________________?
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A. All the above

B. Poor flowering and fruil selling occurs

C. Roots do not develop properly

D. Plants mature late

3603. The depth of irrigation water required for the full crop period is called_________?
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A. None of these

B. Delta of water

C. Crop water required

D. Water required

3604. Seeds of wheat, paddy and maize showed positive correlation germination (%) and viability (%) as determined by________________?
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A. Tz test

B. Grow put test

C. Test of genetic purity of seeds

D. Ageing test

3605. Electrolytes leakage is found greater in______________?
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A. All the above

B. HD grains

C. non of these

D. LD grains

3606. Who described the method of estimating seed vigor on the basis of colour intensity of stained seed________________?
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A. Kittock and Law (1969)

B. Maguire (1962)

C. Woodstock (1976)

D. Nicolls & Heu Decker (1968)

3607. the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
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A. Stratosphere

B. Ozone

C. Ozosphere

D. All the above

3608. Raising of only one crop in a year when there is seasonal supply of water is called_________?
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A. Multiple cropping

B. Harvest cropping

C. Monocropping

D. None of these

3609. The total dry matter produced by a plant as a resulting photosynthesis is called_______________?
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A. None of the above

B. Biological yield

C. Mass

D. Physical productivity

3610. The potential means of enhancing productivity is_________________?
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A. All the above

B. Quantity of seeds

C. Quality of seeds

D. Seed density

3611. Seed dormancy of nee seeds can be successfully broken by heat treatment at________________?
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A. None of the above

B. 45c for 3-8 days

C. 54c for 2-6 days

D. 50c for 3-7 days
3612. The physical condition of soil is called________?
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A. Tilth

B. Tillage

C. Tiller

D. None of these

3613. Mesophytes are grown in__________________?
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A. None of the above

B. Dry condition

C. Moist places

D. Desert area

3614. An illustration of an organic material is__________?
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A. Vermiculite

B. Perlite

C. Pea gravel

D. Leaf mold
3615. Who the a method of estimating seed vigour on the basis of color intensity of the stained seeds ?
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A. Nicolls & Hey Decker (1968)

B. Kittock &. Law (1953)

C. Germ (1949)

D. Moore (1973)

3616. Natural water as pH equal to________________?
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A. 1

B. 7

C. 9

D. 4

3617. Raising of two or more crops in the same field or in year is called_________?
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A. None of these

B. Harvest cropping

C. Monocropping

D. Multiple cropping
3618. Controlled run off, water supplies, irrigation, soil fertility is called as_________________?
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A. Saw logs

B. Agriculture conservation

C. Soil protection

D. Catchmento protection
3619. Highly decomposed stage of organic matter is called_______________?
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A. Cellulose

B. Humus

C. All the above

D. Organic acid

3620. The condition of drying of plant parts due to lack of water is called__________________?
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A. None of the above

B. Wilting

C. Water stress

D. Drought

3621. These crops are planted in winter from October to December and harvested in summer from March to May is called______?
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A. Kharif crops

B. Rabi crops

C. Relay crops

D. All of these

3622. Generally field crops are cultivated at altitude__________________?
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A. 1200014000 ft

B. 0008000 ft

C. 02000 ft

D. 20004000 ft

3623. The depth of irrigation water required for the full crop period is called_______________?
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A. non of these

B. Delta of water

C. Consuptive use of water

D. Optimum use of water

3624. Initial vegetation that invades and occupies the area is called_________________?
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A. Resin

B. Range

C. None of the above

D. Pioneer
3625. Narcotic crops mainly grown in Pakistan is_________________?
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A. Pyrethrum

B. Co see

C. Tobacco

D. Cocon

3626. Who gave the formula for speed of germination_______________?
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A. Baskin (1972)

B. Maguire (1962)

C. Germ (1949)

D. Moore (1973)

3627. In rice, high silicon content, in shoot confers resistance to_________________?
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A. All the above

B. Stem borer

C. Root borer

D. Leaf borer

3628. Air contains___________________?
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A. 50% nitrogen

B. None of the above

C. 70% nitrogen

D. 78% nitrogen
3629. The deficient level of N(%) in plants suggested by various workers is_________________?
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A. 10%

B.

C. <5%

D. <2%

3630. Progeny of nucleus seed is called__________________?
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A. Breeder seed

B. Registered seed

C. Certified seed

D. Foundation seed

3631. When one set of vegetation follows the oilier set of vegetation with passage of time is known as________________?
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A. Linear planting

B. Biodiversity

C. Retrogression

D. Succession
3632. A warm summer and pronounced winter is called________________?
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A. Temperature

B. Arid

C. None of the above

D. Tropical

3633. Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be________________?
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A. 300 plants

B. 400 plants

C. 100 plants

D. 200 plants

3634. Abnormal seeding growth in rice may be due to_________________?
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A. Endogenous inhibitors

B. Al the above

C. Lack of integrity in seed cells

D. Intrinsic Mechanism

3635. Cultivation of same crop year after year is called________________?
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A. Double, cropping

B. Single cropping

C. Monocropping

D. All the above

3636. Young ones of fly is_________________?
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A. Grub

B. Maggot

C. Imago

D. Puparium

3637. Costal margin of wing of insect is______________?
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A. Hinder margin

B. Inner margin

C. Outer margin

D. Frontal margin
3638. Insect which are found every where are called___________________?
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A. Household insects

B. Cosmopolitan insects

C. None of the above

D. Store grain

3639. The bees which are reared artificially as commercial business are called________________?
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A. Domestic bees

B. Wild bees

C. Jelly

D. None of above

3640. Insects in which the young ones pass through complex or indirect metamorphosis are said to be _____________?
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A. Ametabola

B. Holometabola

C. Hypermetamophosis

D. Hemimetabola

3641. The type of diapause which occur in winter is________________?
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A. Hibernation

B. Stravation

C. Aestivation

D. Dormancy

3642. The physiological state or arrested metabolism in which development of insects is delayed irrespective of environmental factors is____________________?
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A. Tor por

B. Diapause

C. Hibernation

D. Quiescence

3643. Insects belong to class__________________?
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A. Hexapoda

B. Symphyla

C. Crustacea

D. Pauropoda

3644. Costal margin of wing of insect is________________?
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A. Inner margin

B. Frontal margin

C. Hinder margin

D. Outer margin

3645. Chemicals, which transmit the chemical message, to individual of various species_________________?
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A. Releasers

B. Allelo chemicals

C. Primers

D. Semio chemicals

3646. The young ones of exopteryotes butt aquatic in habit is?
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A. Larva

B. Nymph

C. Naiad

D. Adult

3647. Viviparous insects which produced__________________?
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A. Nymph

B. None of the above

C. Eggs

D. Young ones
3648. The body wall of insect which includes cuticle, epidermis and basement membrane is__________________?
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A. Exoskeleton

B. Internal skeleton

C. None of the above

D. Integument
3649. The main body regions of insects are called____________________?
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A. Acrotergata

B. Antecosta

C. None of the above

D. Tagmata
3650. Insects which are during day light hours are called_________________?
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A. Diurnal insects

B. Nocturnal insects

C. Non of the above

D. Crepuscular insects