601. The weight per unit of liquid at standard Temperature and pressure is called___________________?
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A. Specific weight

B. Capillary rise is significant

C. Mass weight

D. Mass density

602. Methamidophos, moncrotophos are example of___________________?
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A. Organophosphrous pesticides

B. Pyerthorids

C. Carbamates

D. Organoctilorine pesticide

603. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
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A. 1.5

B. 2

C. 1.2

D. 1.0
604. Cotton bollworms, sugarcane borers are_________________?
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A. Major pest

B. Key pest

C. Secondary pest

D. Minor pest

605. Cypermethrin, deltamerthrin, permethrin are example of__________________?
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A. Pyrethroids

B. Carbamate

C. Organochlorine

D. Organophosphrous

606. Readily available moisture is the % of moisture that is always easily available to plant and this moisture is called _________________?
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A. 80%

B. 85%

C. 75%

D. 70%

607. Desert locust is__________________?
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A. Potential pest

B. Occasional pest

C. Migrant pest

D. Key pest

608. Water storage efficiency in the root zone depends upon__________________?
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A. Fine particles of soil

B. Coarse particles of soil

C. Climatic conditions

D. Porosity
609. A mixture included pesticides which do not increase or decrease the efficacy of each other is called___________________?
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A. None of the Above

B. Additive mixture

C. Potentiating mixture

D. Antagonistic mixture

610. Use of living organism to bring down the pest population to sub economic level is called____________________?
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A. Natural control

B. Cultural control

C. Physical control

D. Biological control
611. Surface tension is the property of a liquid which enables it to resist tensile stress. the surface tension of water is equal to ______________ Kg/m?
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A. 0.0075

B. 0.006

C. 0.0065

D. 0.0056

612. The workers of ant, of ant, bee and wasps are_________________?
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A. none of the above

B. May be a non reproductive male or non reproductive female

C. A non reproductive male

D. A non reproductive female
613. The spreading habit of the crop caused by insect which makes cultivation, weeding and harvesting more difficult is process of________________?
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A. Pest scouting

B. Surveillance

C. Fore casting

D. Haemospora
614. When reservoir is full on upstream side, the maximum stress comes upon__________________?
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A. Top of dam

B. Face of dam

C. All are correct

D. Bottom of dam
615. in most economical Trapezoidal section, half of the Top width is equal to _________________?
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A. Bottom width of channel

B. Depth of channel

C. None of these

D. Sloping side of channel
616. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
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A. Rotational flow

B. Laminar flow

C. Circular flow

D. Turbulent flow

617. What is antidote of anticoagulant rodenticide_____________________?
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A. Earbiturate

B. Diazepam

C. Atropine

D. Vitamin K
618. All the practices used to control the pest population with in certain limit are called_________________?
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A. Natural control

B. Artificial control

C. Cultural control

D. Chemical control

619. Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?
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A. Expandable

B. Compressible

C. In-Compressible

D. All are correct

620. The living organisms that are smaller, weaker or less intelligent than be predor is called____________________?
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A. Prey

B. Predator

C. Host

D. Parasite

621. Silk is produced by_____________insect ?
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A. Apis dorsata

B. Bombyx mori

C. Apis cerana

D. Laceifer lacae

622. Example of inorganic pesticides are__________________?
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A. Chlorine, nitrogen

B. Phosphorus, chlorine

C. Oxygen, sulfur

D. calcium cyanide, boric acid
623. A line shown on a contour map, set out on ground between certain constant points of slope is called___________________?
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A. Counter interval

B. Contour gradient

C. Gradient

D. Contour line

624. A level of resistance show by a cultivar is similar against all insect biotype such type of resistance is___________________?
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A. Specific resistance

B. Vertical resistance

C. Cross resistance

D. General resistance
625. The phenomenon off insect resistance to one type of insecticide providing resistance to other insecticides with similar mode of action__________________?
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A. Specific resistance

B. Cross resistance

C. Horizantal resistance

D. General resistance

626. What is bee bread____________________?
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A. Honey and pollen

B. Honey and wax

C. non of these

D. Pollen and nectar

627. Pheromone used against fruity fly is___________________?
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A. Carbofuron

B. Dichlorvos

C. Malathion

D. Mancoze

628. The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?
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A. Thiems law

B. Permeability law

C. Archimeds principle

D. Darcys law
629. The living organisms that are usually larger, stronger or more intelligent then the parasite is called____________________?
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A. Host

B. Pray

C. Parasite

D. Predator

630. A mixture included pesticides which decrease the efficiency of each other is called__________________?
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A. Antagonistic mixture

B. None of the Above

C. Additive mixture

D. Potentiating mixture

631. The fleas do _____________________?
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A. non of these

B. Never flown

C. May or may not fly

D. Fly

632. The resultant pressure of water on the face of dam is equal to ____________________ ?
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A. 1/2 WH

B. 1/2 WH2

C. WH

D. All are correct

633. Royal Jelly made up of__________________?
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A. Pollen and water

B. Pollen, Water, Nectar

C. Pollen and nectar

D. Pollen, water, nectar

634. An egg parasitoid of lepidopterous insects is______________________?
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A. water joint beetle

B. Apanteles sp

C. Ichneumon

D. Trichogramma sp
635. Carbamates contains_________________?
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A. Carbon, hydrogen, nitrogen

B. Carbon, hydrogen, nitrogen

C. Carbon, hydrogen

D. Carbon, nitrogen and sulphur

636. Toxic refers to a________________?
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A. Poison

B. Poisonous material

C. None of the Above

D. Both of them

637. An instrument used for measuring pressure head, generally made up of a small pipe tapped into the side of conduit is called ___________________?
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A. All are correct

B. Pilot tube

C. Manometer

D. Piezometer
638. The discharge of a well per unit draw down usually expressed as gallons or liters per minute is called ____________________?
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A. Discharge

B. Specific capacity

C. Specific volume

D. All are correct

639. Tentorium is____________________?
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A. Internal skeleton

B. None of the above

C. Exoskeleton of head

D. Internal skeleton of head

640. The dam built for the purpose of diverting water from main stream to various courses of flow is called ____________________?
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A. Gravity dam

B. Detention dam

C. Coffer dam

D. Diversion dam
641. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?
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A. Soil moisture content

B. Moisture content

C. Soil saturation

D. All are correct

642. Flow in which each liquid particle has a definite path is called _____________________?
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A. Steady flow

B. Laminar flow

C. Transitional flow

D. uniform flow

643. Photogenic organ are present in____________________?
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A. Flies

B. Honey bee

C. Fire flies

D. Wasps

644. Presently percentage of area irrigation to that of total cultivated area in our country is __________________?
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A. 60%

B. 27%

C. 40%

D. 80%

645. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?
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A. Soil-moisture deficiency

B. Equivalent-moisture deficiency

C. a and b are correct

D. Field-moisture deficiency

646. A curve consisting two or more arcs of different radii curving in the same direction with common tangent is called ___________________?
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A. All are correct

B. Compound curve

C. Double curve

D. Composite curve

647. The _________ analysis of earth dam foundation against shear must be carried out when the foundation is kept on fine loose cohesion less material?
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A. Overturning

B. Failure

C. Suitability

D. Stability
648. A well penetrated in ground water confined between impervious layer at its top and bottom is called __________________?
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A. Artesian well

B. Un-confined

C. Non-artesian

D. Perched

649. The maximum rate at which the soil in given condition can absorb water is called ___________________?
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A. All are correct

B. Infiltration capacity

C. Field Capacity

D. Capillarity

650. When the fluid properties do not change with time, it is a ___________ flow?
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A. Unsteady

B. Steady

C. Non-Uniform

D. Uniform