agriculture mcqs to prepare for nts, kppsc, fpsc, ppsc and more

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

2751. Natural water as pH equal to________________?
0

A. 4

B. 1

C. 7

D. 9

2752. In land capability classification, class I-Iv are suitable for:_________?
0

A. Suitable for cultivated farming

B. Suitable for grazing

C. Suitable for forestry

D. Unsuitable for any agricultural use

2753. Which nutrients are immobile in plants?
0

A. Ca only

B. B only

C. P only

D. Both Ca & B

2754. In line x tester cross mating is done between:
0

A. Males & females

B. All of these

C. Among males

D. Among females

2755. Soil order Vertisol is related to:_________?
0

A. Black soils

B. River soils

C. Marine deposits

D. Both B & c

2756. Line x tester analysis provides information about:________?
0

A. All of these

B. GCA & SCA effects

C. D & H components

D. GCA & SCA variances

2757. The soil texture refers to the relative proportion of sand,__________ and clay:
0

A. Stone

B. Silt

C. Soil

D. Rock

2758. Availability of Phosphorus is maximum at:__________?
0

A. Alkaline

B. None of these

C. Neutral

D. Acidic

2759. New soils, no or little profile development:
0

A. Aridisols

B. Andisols

C. Entisols

D. Inceptisols

2760. Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:
0

A. Deep Tillage

B. Conservation Tillage

C. Both a & b

D. None of these

2761. Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?
0

A. Strip planting

B. Linear planting

C. All of the above

D. Cover planting

2762. Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:
0

A. Sunlight

B. Water & plant nutrients

C. Chlorophyll

D. All of the above

2763. N and P sprayed on the leaves at time of flowering results in:________?
0

A. Increase in fruit yield

B. None of these

C. Increase fruit yeid & protein

D. Improve their protein

2764. Inorganic constituents vary in size from fine clay particles _________ mm to large _________ mm gravel and rock:
0

A. None of the above

B. 0.5 mm 1.0 mm

C. 0.02 mm- 0.2 mm

D. < 0.002 mm- >2 mm

2765. calcium is immobile in plants. Therefore, under conditions of deficiency, young tissue is affected first. calcium deficiency symptoms are:
0

A. All of the above

B. Death of terminal buds; roots tips also affected

C. Premature shedding of blossoms & buds & weakened stem

D. Abnormal dark green appearance of foliage

2766. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:
0

A. Acid rain

B. Neutral rain

C. Both A & B

D. None of the above

2767. Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter:
0

A. High temperature

B. Alkaline

C. Both a & b

D. None of a & b

2768. Vegetation found in saline soils is termed by _________?
0

A. Hetrophyics

B. Halophyte

C. Hortiphyics

D. Viticphyics

2769. When seed leaves the fruit or flower is called__________?
0

A. None of these

B. Dormancy

C. Dissemination

D. Quiescent.

2770. Which one of the following is a high salt tolerant crop?
0

A. Moong

B. Arhar

C. Both a & b

D. Lucerne

2771. If the quantity of organic matter is more than 50% is called________?
0

A. Clay soil

B. Peat soil

C. Sandy soil

D. All of these

2772. Auto polyploidy have been successfully exploited in _________?
0

A. Maize

B. Sunflower

C. Sugar beat

D. Sugarcane

2773. The disc florets of sunflower is__________?
0

A. Usually sterile

B. Bisexual

C. Staminate

D. Pistillate

2774. The drawbacks of erosion can be divided into:__________?
0

A. Onsite damages

B. Offsite damages

C. Both A & B

D. None of the above

2775. Father of weed Science?
0

A. Norman Borlog

B. Simonson

C. None of the above

D. Jethrotull

2776. The forest soils have lower bulk density than agricultural soils because of their ______ content.
0

A. High organic matter

B. Low organic matter

C. Both a & b

D. None of these

2777. Almost one third of the land area through out the world is affected by land degradation. Pakistans agriculture sector though facilitates employment to >65% but is facing challenges from:
0

A. Waterlogging

B. Salinity

C. All of the above

D. Erosion

2778. Auxin is_______?
0

A. A protein

B. A vitamin

C. An enzyme

D. A hormone

2779. Worlds major food crops belong to which of the following family?
0

A. Palmaceae

B. Moraceae

C. Both a & b

D. Gramineae

2780. A Stalk connecting an ovule or a seed with the placenta (the ovary)?
0

A. Aril

B. Funiculus

C. Raphe

D. Hilum

2781. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests -:
0

A. InsecticidesHerbicides

B. Weedicidesinsecticides

C. FungicidesInsecticides

D. None of the above

2782. The soil air contains a number of gases ______________ & water vapours:
0

A. Oxygen

B. All of the above

C. Carbon dioxide

D. Nitrogen

2783. In alkaline soil which form of phosphorus uptake by plants?
0

A. both

B. Primary orthophosphate

C. None of these

D. Secondary orthophosphate

2784. Surface removal of ice or snow from a glacier or snowfield by melting, sublimation, and/ or calving:
0

A. Backplain

B. Abrasion

C. Bank-Caving

D. Ablation

2785. Maize plant belong to_________?
0

A. C4 plants

B. CAM

C. C3 plant

D. None of above

2786. Green manures are mostly used as a source of:_________?
0

A. None of these

B. Zink

C. Nitrogen

D. Oxygen

2787. The template of translation is________?
0

A. tRNA

B. mRNA

C. rRNA

D. None of these

2788. From the sources of plant nutrients availability in soil, which of the following statements are correct:
0

A. The plant absorbs carbon as carbondioxides directly from the atmosphere.

B. Air & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.

C. All of the above

D. Water is the source of hydrogen

2789. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:
0

A. brought under range crops

B. Forests

C. Both a & b

D. None of the above

2790. In acidic soil which form of phosphorus uptake by plants?
0

A. Secondary orthophosphate

B. Primary orthophosphate

C. Both

D. None of these

2791. Igneous rocks are called:__________?
0

A. Aqueous rocks

B. Primary rocks

C. Secondary rocks

D. None of the above

2792. Absence Of Chlorophyll is known as _______?
0

A. None of these

B. Agoun

C. Acrodsome

D. Albinism

2793. The arrangement (disposition and number) of bristles or setae on the body and appendages of particular importance in the classification of Diptera and mites:
0

A. Chaetotaxy

B. Chela

C. Chitin

D. Both b & c

2794. Which element is deficient in milk _________?
0

A. Iron

B. Sodium

C. Phosphorus

D. Calcium

2795. The highest Cation Exchange Capacity is in:_________?
0

A. Sandy Soil

B. Clay soil

C. Gravely soil

D. Both A & C

2796. Sugarcane + Potato is an intercropping system of_________?
0

A. Zaid season

B. Autumn season

C. Spring Season

D. Rainy season

2797. The suitable species for reclamation of saline & sodic soil is:__________?
0

A. Casuarina equisetifolia

B. Albizia lebbeck

C. Both A & B

D. None of the above

2798. An important component of total soil C is charcoal, also known as:__________?
0

A. Black C

B. Biochar

C. Both A & B

D. None of the above

2799. Field Capacity is a point at which?
0

A. All the macro & micropores in the soil are filled with water

B. All the macropores filled with air & the micropores filled with water

C. All of the above wrong

D. All the macropores filled with water & the micropores filled with air

2800. Shallow channels that can be readily corrected by routine tillage operations is called:
0

A. Permanent gullies

B. Ephemeral gullies

C. Both A & B

D. None of these

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