agriculture past papers

7/25/2019 Agriculture Past papers

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FEDERAL PUBLIC SERVICE COMMISSIONCOMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 2001.

AGRICULTURE

TIME ALLOWED: THREE HOURS MAXIMUM MARKS:100

NOTE: A!"# FIVE $%!&'()& ') *++, ')+%-') $%!&'() N(. / ' '&COMPULSOR. A++ $%!&'()& *334 E5UAL "*36&.

1. Pakistan has experienced a good production of various agricultural crops like Wheat,Rice and Cotton in the recent past, but despite of this the farmers were generally nothappy. What do you think could be the reasons of farmers frustration! "uggest possiblesolution of such situation.

#. $enetic %ngineering and &iotechnology are considered to be the sciences of #1stcentury. What is the current status of their role in agricultural research in Pakistan and

what could be their possible contribution in future in this context! Comment.

'. What is biological (itrogen fixation! %xplain the factors affecting the biological ()fixation!

*. What are the basic laws of +nheritance! Comment how these laws have helped in theprocess of crop improvement in agriculture!

. -escribe the principle of +nsect Pest Control in agriculture crops.

. /orticulture industry is an emerging industry in Pakistan0 how do you comment on it!

. Write short notes on the following23a4 Population problems of rural Pakistan

3b4 Role of 5rganic matter in soil3c4 "oil erosion and conservation3d4 6ive stock as a component of agriculture.

COMPULSOR 5UESTION

/. A8 W3'! ()+4 ! (33! *)&!3 ') ! A)&!3 B((6. D( )( 3!#3(-%! !

$%!&'()&.

314 7he economy of Pakistan is based on2

3a4 8griculture

3b4 +ndustry

3c4 9ineral resources

3d4 (one of these

3#4 Which one of the following is ma:or export commodity of Pakistan!

3a4 Wheat

3b4 Cotton

3c4 "ugar

3d4 Rice3e4 (one of these


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3'4 "ahiwal breed is a breed of2

3a4 &uffalo

3b4 Cow

3c4 "heep

3d4 $oat3e4 (one of these

3*4 ;ertebrate pests of crops include2

3a4 +nsects

3b4 Wild &ores

3c4 "piders

3d4 (one of these

34 &asmati is a type of2

3a4 Wheat

3b4 Rice

3c4 9ai


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3d4 (one of these

3114 7he process of synthesi


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COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 2002.

AGRICULTURE


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COMPULSOR. A++ $%!&'()& *334 E5UAL "*36&.

1. +n terms of research and newer technologies in current and future agriculture inPakistan, how do you comment on the statement! A7he basic texture of researchconsists of dreams into which the trends of reasoning, measurement and calculations arewoven.B

#. What are the functions of water in soil and plants! /ow water stress affect the plantgrowth and development!

'. -efine growth. %nlist and briefly describe the factors affecting it.

*. &riefly discuss the ma:or problems and possible solutions for increasing productivity ofhorticultural crops.

. -iscuss methods of pest control and pathogen effect on plant physiological functions.

. Write short notes on any D5FR of the following.3a4 "oil texture and structure and their management3b4 8pplication of genetics for improvement of crops

3C4 Conducting tissues of carbohydrates, water and minerals.3d4 Photoperiodic and thermo integral responses of crop plants

3e4 Components of agriculture integrated system3f4 Role of agriculture in the national economy.

. -ifferentiate between the following23a4 $enotype and phonotype3b4 7ranspiration and %vapotranspiration3c4 8lley cropping and strip planting3d4 -eterminate and +ndeterminate plant species3e4 Photosynthesis and Phototropism

COMPULSOR 5UESTION

/. W3'! ()+4 ! (33! *)&!3 ') ! A)&!3 B((6. D( )( 3!#3(-%! !

$%!&'()&.

A8 C((&! ! (33! (#'() 3(" ! ';!) ('!&.

314 7he agriculture of Pakistan is characteri


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3#4 7he soil "urvey of Pakistan has identified classes of land under a system of land

capability classes2

3a4 "ix classes

3b4 "even classes

3c4 %ight classes

3d4 (ine classes3e4 (one of these

3'4 /ighest nutrient concentration causes a phenomenon in plant growth known as2

3a4 8deGuacy

3b4 -eficiency

3c4 7oxicity

3d4 (one of these

3*4 >878 is cultivar of2

3a4 &anana

3b4 9ango

3c4 Citrus

3d4 8pple

3e4 (one of these

34 Pome fruits include2

3a4 8pple

3b4 Pear

3c4 Huince

3d4 8ll of these

3e4 (one of 3a4, 3b4 and 3c4

34 Ii


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3a4 Cow

3b4 &uffalo

3c4 $oat

3d4 (one of these

31@4 %ssential elements reGuired for plant growth are23a4 1@

3b4 1#

3c4 1*

3d4 1

3e4 (one of these

B8 F'++ ') ! 9+*)6&:

3114 7he science of fruit production is called EEEEEEEEEEEE.

31#4 "criptothrips citri is a pest attacking EEEEEEEEEEEE.

31'4 Rearing a silk worm is known as EEEEEEEEEEEE.

31*4 9angifera indica is a botanical name of EEEEEEEEEEEE.

314 (8R stands for EEEEEEEEEEEE.

314 Copying of m R(8 into protein is termed as EEEEEEEEEEEE.

314 +&P$R stands for EEEEEEEEEEEE.

31=4 Fnit of the material of inheritance is known as EEEEEEEEEEEE.

31?4 +FC( stands for EEEEEEEEEEEE.

3#@4 +D8- stands for EEEEEEEEEEEE.

FEDERAL PUBLIC SERVICE COMMISSION


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COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 200


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3b4 Wheat

3c4 Rice

3d4 (one of these

3'4 Cotton is places2

3a4 Cereals3b4 6egumes

3c4 Diber

3d4 (one of these

3*4 (9R stands for2

3a4 (on 9olecular Resistance

3b4 (uclear 9agnetic Resonance

3c4 (uclear 9embrane resistance

3d4 (one of these

34 Water stress is2

3a4 "hortage of water

3b4 Water logging

3c4 &oth a J b

3d4 (one of these

34 Dree living animal that attacks and feed on other organisms is2

3a4 Predator

3b4 Parasite

3c4 "cavengers

3d4 (one of these

34 8 decrease in the governmentally define value of currency2

3a4 +nflation

3b4 Cheapness

3c4 -evaluation

3d4 (one of these

3=4 "eed cotton means2

3a4 "eed with lint

3b4 "eed without lint

3c4 6int3d4 (one of these

3?4 "ex nucleus that fuses with another in sexual reproduction is2

3a4 Cell

3b4 $amete

3c4 "pore

3d4 (one of these

31@4 9otile spores are2

3a4 8planospores

3b4 Chlamydospores


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3c4 Conidia

3d4 (one of these

B8 F'++ ') ! 9+*)6&:

3114 7he science of vegetable production is called EEEEEEEEEEE .31#4 7he actual amount of water present in air is called EEEEEEEEEEE .

31'4 Rearing of honeybees is called EEEEEEEEEEE .

31*4 7he treatment given to counteract the effect of poison is called EEEEEEEEEEE .

314 7he artificial removal of the stamens from flower before they dehisce is called

EEEEEEEEEEE .

314 Plants which drop their leaves during winter are called EEEEEEEEEEE .

314 8n individual with both male J female genitalia is called EEEEEEEEEEE .

31=4 76C stands for EEEEEEEEEEE .

31?4 8rid agriculture means EEEEEEEEEEE .

3#@4 &otanical name of wheat is EEEEEEEEEEE .


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FEDERAL PUBLIC SERVICE COMMISSIONCOMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 200=.

AGRICULTURE


NOTE: A!"# FIVE $%!&'()& ') *++, ')+%-') $%!&'() N(. / ' '&

COMPULSOR. A++ $%!&'()& *334 E5UAL "*36&.

1. +mprovement in price control mechanism of agricultural commodities and theirmarketing system can break the stagnation in agriculture sector. +dentify the mainbottlenecks and suggest the appropriate strategies to overcome the shortfalls of theexisting systems.

#. /ave $enetic %ngineering and &iotechnology made any breakthrough in crop

production so far! %laborate the scope of modern techniGues in enhancing theagricultural productivity within shortest possible time.

'. /uge import bill of edible oil is a big burden on the national economy for the lastGuarter century. What necessary measures would you suggest to boost oilseed cropproduction and to avert this serious crisis!

*. -escribe various components of +P9 7enchnology and discuss the usefulness of thisapproach with reference with to fore coming W75 regime.

. /orticultural crops have not been properly exploited according to their potential. /owthese can play better role that the ma:or crops in agriculture of the country!

. Write short notes on any D+;% of the following2

3a4 Crop water use efficiency3b4 6ive stock as a component of agriculture3c4 /ybrid vigour3d4 8lliloparasitism3e4 $enetic -iversity3f4 Doot and 9outh disease3g4 $ram blight and gram wilt

. -ifferentiate between the following 38ny five43a4 9acro nutrients and micro nutrients

3b4 &asic seed and Certified seed3c4 Pathogenesis and Parthenogenesis3d4 Pomes and stone fruits3e4 C' and C* plants3f4 "aline soils and sodic soils3g4 ;ertical and hori


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314 5lericulture is the study dealing with2

3a4 ;egetable production

3b4 /oney bee

3c4 5rnamental Dlowers

3d4 (one of these

3#4 Colostrum is2

3a4 6ow nutritive milk

3b4 Dirst product of mammary glands after parturition

3c4 Product of mammary glands after two month of parturition

3d4 (one of these

3'4 &anana fruit is classified in the category2

3a4 -rupe

3b4 Pomes

3c4 &erry

3d4 (one of these

3*4 5lder the rice2

3a4 Worse in price

3b4 -amaged in shape

3c4 Cheaper in price

3d4 (one of these

34 $ossypium /irsutum is the botanical name of2

3a4 8merican Cotton3b4 -esi Cotton

3c4 &arley

3d4 "ugar Cane

3e4 (one of these

34 "election of plants on the basis of phenotypic superiority is known as2

3a4 /ybrid

3b4 9ass "election

3c4 +nbred 6ine

3d4 Pure 6ine

3e4 (one of these

34 8gricultural %xtension relates to2

3a4 9oderni


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3e4 (one of these

3?4 &hagnari is a breed of2

3a4 &uffalo

3b4 Cow

3c4 "heep3d4 Poultry

3e4 (one of these

31@4 8fforestation means2

3a4 Dorest Research "tation

3b4 7o convert land into forest

3c4 Ftili


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3b4 (ew Mork

3c4 $eneva

3d4 (one of these

314 5rganic matter in soil helps in2

3a4 +mproving soil structure3b4 +mproving soil texture

3c4 Weed control

3d4 &uilding up of organic compounds in crops

3e4 (one of these

31=4 "eed cotton means

3a4 "eed without lint

3b4 "eed with lint

3c4 6int only

3d4 (one of these

31?4 7he ploidy level of 8merican Cotton is2

3a4 -iploid

3b4 7riploid

3c4 7etraploid

3d4 (one of these

3#@4 Contribution of 8griculture to $-P is2

3a4 'N

3b4 @N

3c4 N3d4 (one of these


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FEDERAL PUBLIC SERVICE COMMISSIONCOMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 200>.

AGRICULTURE


NOTE: A!"# FIVE $%!&'()& ') *++, ')+%-') $%!&'() N(. / ' '&COMPULSOR. A++ $%!&'()& *334 E5UAL "*36&.

1. What are critical issues in agriculture! Write down their solutions for agricultural

development in Pakistan.

#. What are soil texture and soil structure! /ow the soil texture and structure affects theplant growth. -iscuss in detail.

'. /ow genetic manipulation of field crops can improve the tolerance of the plants to abiotic stress!

*. /ow research can play role in achieving food security! -iscuss in detail.

. What are different economic decision levels in +P9! -escribe the role of +P9 insustainable agriculture.

. Write short notes on any Dive of the following23a4 Role of organic matter in soil productivity3b4 Wind erosion3c4 Challenges in animal production in Pakistan

3d4 9a:or disease of wheat crop in Pakistan3e4 Principles of crop management3f4 9odern concept of horticultural industry

3g4 Photoperiodism

. -ifferentiate between the following 38ny five43a4 %pigeal germination and /ypogial germination3b4 "ynapsis and "ynopsis3c4 %luviation and +lluviation3d4 9etastasis and 9yasis3e4 7rue fruits and Dalse fruits

3f4 5viparous insects and ;iviparous +nsects3g4 /P6C and 76C

COMPULSOR 5UESTION

/. W3'! ()+4 ! (33! *)&!3 ') ! A)&!3 B((6. D( )( 3!#3(-%! !

$%!&'()&.

314 /ow much of the earth surface is covered by water!

3a4 N

3b4 @N

3c4 =@N

3d4 (one of these

3#4 Citrus has its origin in2


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3a4 +ndo)Chinese region

3b4 8frica

3c4 9iddle %ast

3d4 (one of these

3'4 7he science of classification is called23a4 %cology

3b4 /orticulture

3c4 7axonomy

3d4 (one of these

3*4 $rapes cultivation is called2

3a4 5rcharding

3b4 ;iticulture

3c4 Pomology

3d4 (one of these

34 7omato is a good source of vitamin2

3a4 ;itamin 8

3b4 ;itamin &

3c4 ;itamin C

3d4 (one of these

34 /istosols are found in

3a4 Canada

3b4 8laska

3c4 &oth 3a4 and 3b43d4 (one of these

34 8ge of earth is2

3a4 billion years

3b4 * billion years

3c4 1 billion years

3d4 (one of these

3=4 Common soils found in Pakistan2

3a4 8ridisols

3b4 +nceptisols3c4 &oth 3a4 and 3b4

3d4 (one of these

3?4 8 group of similar looking plants that has approved for general cultivation in a

ecological


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3b4 1*

3c4 *#

3d4 (one of these

3114 +n -(8, adenine always pair with

3a4 7hymine3b4 $uamine

3c4 Cytosine

3d4 (one of these

31#4 9ushrooms are member of2

3a4 5mycetes

3b4 -iscomycetes

3c4 Pyronomycetes

3d4 (one of these

31'4 9ost fungal disease spread out in2

3a4 -ry J Cold weather

3b4 Wet J Cold

3c4 -ry J /ot

3d4 (one of these

31*4 7ikka disease of groundnut is renowned to2

3a4 7har

3b4 Chakwal

3c4 Rawalpindi

3d4 (one of these

314 7he fruits and vegetables contain an insoluble stiffening material called2

3a4 Pectin

3b4 6ignin

3c4 Protopectin

3d4 (one of these

314 "ubstances added intentionally to foods for the purpose of making more profit

termed as2

3a4 Dood contaminations

3b 4 Dood adulterants3c4 Dood additives

3d4 (one of these

314 6epus capensis is the name of

3a4 7iger

3b4 6ion

3c4 Rat

3d4 (one of these

31=4 %stablishment of new crop naturally or artificially is2

3a4 "ilviculture

3b4 "ericulture


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3c4 (ursery

3d4 (one of these

31?4 9eaningful statement about the economic behavior or the economy is called2

3a4 %conomic principles

3b4 %conomic theories3c4 &oth 3a4 and 3b4

3d4 (one of these

3#@4 7he measure of fluids resistance to sheer or angular deformation2

3a4 (ormality

3b4 ;iscosity

3c4 Compressibility

3d4 (one of these

8$R+CF67FR% #@@


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8ttempt 5(6M D+;% Guestions in all, including HF%"7+5( (5. =, which is compulsory.

H14 "upport price of agricultural commodities generally favours to enhance crop

production in the country. -espite this, we are lagging behind in average yields than the

technologically advanced countries. -iscuss the reasons and suggest strategies to prevail

this situation.

H#4 /ow do you visuali


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c4 /exaploid d4 (one of these

#4 -a:al is a breed of2

a4 9ilking animal b4 -raft animal

c4 Pet animal d4 (one of these

'4 "eed cotton means2

a4 6int only b4 "eed without lint

c4 "eed with lint d4 (one of these

*4 /ardy)Weinberg eGuilibrium provides basis for study of2

a4 Population $enetics b4 $enetic %ngineering

c4 &iometrical $enetics d4 9enelian $enetics

4 9ai


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c4 7hree pairs of legs d4 Dour pairs of legs

1*4 "ericulture means2

a4 Rearing of honey bees b4 Rearing silk worms

c4 &oth 3a4 and 3b4 d4 (one of these

14 7he cotton species providing main raw material for textile industry is2

a4 $ossypium hirsutum b4 $ossypium arboreum

c4 $ossypium thurberii d4 (one os these

14 +nbred lines are developed through selection and inbreeding in2

a4 "elf pollinated crops b4 Cross pollinated crops

c4 8sexually propagated crops d4 (one of these

14 "afflower is2

a4 8n ornamental plant b4 5il producing plant

c4 6eguninous d4 Dibre producing plant

1=4 Continuous selfing in cross pollinated2

a4 +mprovment in yield b4 Poor in performance

c4 $rowth in vegetative parts d4 (one of these

1?4 "oil structure can be improved with addition of2

a4 5rganic matter b4 Chemical fertili


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AGRICULTURE


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9! ()&'-!3!-'''8 C*)-'-*! "%& -3* ( &3*' +')!& @@@@@@@@@@@@@@@@@@8 *

! !)- ( &!#*3*! !* $%!&'() *!"#!- ') A)&!3 B((6&.

1. -iscuss the important physical properties of soils that are of ma:or interest to cropproducers.

#. What are the $enetic conseGuences of self)fertili


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3d4 (one of these

3#4 7he most suitable part of the plant for the study of 9eiosis is2

3a4 Moung bud

3b4 8nther

3c4 Root tip3d4 "hoot apex

3'4 7he shrinkage of protoplasm due to osmosis of water from the cell is known as2

3a4 /ydrolysis

3b4 %ndomosis

3c4 -ehydration

3d4 Plasmolysis

3*4 7he most abundant compound in nature is2

3a4 "tarch

3b4 Protein

3c4 Cellulose

3d4 8ll of these

34 8ntibiotics are produced by the2

3a4 Plants

3b4 9icroorganisms

3c4 8nimals

3d4 8ll of these

34 7he amino acids which cannot be synthesi


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31@4 %conomically important $enetic traits in plants are influenced by the environment

because these are2

3a4 Cytoplasmically inherited traits

3b4 9onogenic traits

3c4 Polygenic traits

3d4 (one of these

3114 5nly plant cells contains2

3a4 Plasma membrane

3b4 9itochondria

3c4 Chloroplasts

3d4 (ucleolus

31#4 7he accumulation of C5# in large Guantities in the atmosphere causes the problem

of2

3a4 8ir pollution

3b4 5ver cooling of atmosphere

3c4 -egradation of &iodiversity

3d4 $reen house effect

31'4 7he ovary in plants matures into2

3a4 Druit

3b4 "eed

3c4 %ndosperm

3d4 %mbryo

31*4 7he first step in Photosynthesis is23a4 %xcitation chlorophyll electron

3b4 Photolysis of water

3c4 Dormation of (8-P/#

3d4 Dormation of 87P

314 Which one of the following is nonrenewable resource!

3a4 Wildlife

3b4 &iodiversity

3c4 Dossil Duel

3d4 Dorest

314 8 plant disease caused by bacteria is called2

3a4 6oose smut

3b4 Crown gall

3c4 6eaf rust

3d4 Powdery 9ildew

314 %n


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31=4 $enes determine2

3a4 7he sex of a baby

3b4 8 phenotypic character

3c4 "ynthesis of a Polypeptide

3d4 8ll of these

31?4 A+t is the outmost layer of the animal cell, it is thin, delicate, elastic, and capable of

self repair.B 7he statement is true for2

3a4 Cell wall

3b4 Cell membrane

3c4 9iddle 6amella

3d4 (uclear membrane

3#@4 &iotechnology refers to2

3a4 9anipulation of $enes

3b4 Cheese 9aking

3c4 9anipulation of &iological "ystems

3d4 8ll of these


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FEDERAL PUBLIC SERVICE COMMISSIONCOMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTSIN BPS 17 UNDER THE FEDERAL GOVERNMENT, 200.

AGRICULTURE

TIME ALLOWED: PARTI8


28/40

3vi4 Qanthomonas citri is the disease causal organism of citrus.3a4 &ark splitting3b4 Doot rot3c4 Canker3d4 Citrus decline3e4 (one of these

3vii4 Cholistani, >ali, -amani, >achi and &ibrik are some of the breeds of2

3a4 $oats3b4 Camel

3c4 &uffalo3d4 "heep3e4 (one of these

3viii4 +nflation of mammary glands of milch animals is called23a4 ohnes disease3b4 7uberculosis3c4 9astitis

3d4 6eptospirosis3e4 (one of these

3ix4 Patoto is an example of2

3a4 Root crop3b4 6egumes3c4 Diber crop3d4 "ugar crop3e4 (one of these

3x4 7obacco is an example of23a4 >harif crop

3b4 Rabi crop3c4 Iaid rabi crop

3d4 Iaid >harif crop3e4 (one of these

3xi4 Peanuts are23a4 Roots3b4 $rains3c4 6egumes3d4 (uts

3e4 (one of these

3xii4 Which of the following insects is friendly for an organic farmer!3a4 "tem borer3b4 Root borer3c4 &oll worm3d4 9ango mealy bug3e4 (one of these

3xiii4 9oney maker, Roma, Red top are some of the varieties of2

3a4 Chilies3b4 Potato

3c4 7omato3d4 5nion

3e4 (one of these

3xiv4 "wollen underground stem0 an organ of food storage and propagation is called2


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3a4 Rhi


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H.#. -efine biotechnology and discuss in detail the role of biotechnology in cropimprovement. 3#@4

H.'. -iscuss the role of environmental factors in the development of infectious diseasesin plants and suggest measures to control these diseases. 3#@4

H.*. -escribe different methods of pest control in crops with main emphasis on biologicalcontrol of insect)pests! 3#@4

H.. -iscuss in detail the situation of development in agriculture sector in Pakistan and

describe strategies to boost agricultural production in the country. 3#@4

H.. %numerate the scope of range management in Pakistan and discuss its role in thedevelopment of dairy sector in the country. 3#@4

H.. -iscuss in detail different techniGues used for the asexual propagation of fruitplants. 3#@4

H.=. Write short notes on 8(M D5FR of the following2 3#@4

3a4 Dactors affecting biological nitrogen fixation3b4 "oil erosion

3c4 Crop rotation3d4 $enetic engineering3e4 %ffective microorganisms 3%94 technology3f4 Prospects of meat industry in Pakistan


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H.1. "elect the best optionanswer and fill in the appropriate box on the 8nswer "heet.3#@4

3i4 Wheat inflorescence is called as23a4 "pike3b4 Panicle

3c4 "padix3d4 Cymose

3e4 (one of these

3ii4 "oil structure can be improved with the addition of23a4 Chemical fertili


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3ix4 Rhi


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3xvii4 Ploidy level of mai


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f4 foot and mouth disease

H.= -ifferentiate between any four2 *

a4 gram blight and gram wilt

b4C)' plants and C* plants

c4 biological nitrogen fixation and nitrificationd4 silviculture and sericulture

e4 respiration and transpiration

f4basic seed and certified seed


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FEDERAL PUBLIC SERVICE COMMISSION

COMPETITIVE EXAMINATION FORRECRUITMENT TO POSTS IN B.P.S. 17

UNDER THE FEDERAL GOVERNMENT, 2012.

AGRICULTUREPART II

H.# -efine insect pest management. /ow can you suggest +P9 strategy to control insect

pests of cotton crop!

H.' What is agricultural mechani


38/40

D%-%R86 PF&6+C "%R;+C% C599+""+5( C59P%7+7+;% %Q89+(87+5( D5RR%CRF+79%(7 75 P5"7 +( &")1 F(-%R 7/% D%-%R86 $5;%R(9%(7, #@1'

8$R+CF67FR%P8R7 ++

#. What are the sources of irrigation water in Pakistan! %xplain different methods of

irrigation to agricultural crops

'. Write a detailed note on prospects of Darm 9echani


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&ioherbicides are used because!

Process by which nutrients are carried down by water!

L!*')

Which crop reGuires most (!

Potato Wheat &arley "ugar cane

8mmonia is volatili00 C

three ma:or nutrients in soils are!

N,P,K

-esired varieties of crops are produced by which method!

H493'-'*'()

$reen manure crops belong to which family!

L!%"')(&*!

9ost of the world ma:or crops belong to which family!

G3*"')*!

H.# -iscuss environmental pollution. What are the ma:or causes of environmental

pollution in Pakistan!

H.' /ow does soil productivity differ from soil fertility! What are the factors responsible

for degradation of soil productivity! "uggest practical measures to improve it.

H.* What is the ultimate source of nitrogen in soil! %xplain in detail how it is fixed and

made available to the plants.

H. What are genetically modified organism 3$94 and $9 foods! Why are $9 foods

produced 9ention the sound scientific basis for considering it safe for human health.


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H. What are the ma:or factors responsible of low yield of vegetables in Pakistan! What

measures are necessary to increase their production!

H. -escribe in detail the benefits and drawbacks of fertili

agriculture past papers

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