901. Removal of cellular water followed by shrinkage of protoplasm is due to
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A. Osmosis

B. Plasmolysis

C. Deplasmolysis

D. Oxidation

902. Gassypium hirsutum is________________?
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A. Triploid

B. Hexaploid

C. Diploid

D. Tetraploid
903. Pakistan has a total forest area of about_________________?
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A. 22 million ha

B. 12 million ha

C. 32 million ha

D. 20 million ha

904. Who the a method of estimating seed vigour on the basis of color intensity of the stained seeds ?
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A. Moore (1973)

B. Kittock &. Law (1953)

C. Germ (1949)

D. Nicolls & Hey Decker (1968)

905. The movement of water in soil profile is.known as__________________?
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A. All the above

B. Diffusion

C. Percolation

D. Absorption

906. Percentage of area irrigated by a cusec of water during the season is called_______________?
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A. Base period

B. Intensity

C. Irrigation frequency

D. Cusec

907. The organisms which do not prepare their own food and depend on the dead organisms are called_____________________?
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A. Obligatory parasites

B. Parasites

C. Saprophytes

D. Bacteria

908. Penetrometer are used for measuring__________________?
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A. Soil compaction

B. Soil tilth depth

C. Soil moisture

D. Soil seepage

909. Auxins and cytokinins are__________________?
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A. Growth regulators

B. Insecticides

C. Fungicides

D. Herbicides

910. Vigor index of seedings in rice can be determined on___________________?
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A. Quantitative basis

B. Qualitative basis

C. Both a & b

D. None of the above

911. The contact herbicides are less effective to_________________?
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A. Broad leaved weeds

B. All the above

C. Perenial plants

D. Seasonal plants

912. In Pakistan, the total length of canal system exceeds________________?
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A. 58000 Km

B. 60000 Km

C. 59000 Km

D. 52000 Km

913. Yield losses of rice crop due to weed infestation are___________________?
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A. 20-60%

B. 5-15%

C. 20-50%

D. 10-20%

914. Mg in plants act as___________________?
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A. Enzyme activator

B. None of the above

C. Protein activator

D. Starch activator

915. The depth of irrigation water required for the full crop period is called_______________?
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A. Optimum use of water

B. Consuptive use of water

C. Delta of water

D. non of these

916. Two much Mg may create deficiency for_____________________?
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A. K

B. Ca

C. N

D. P

917. ICARDA is located at___________________?
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A. Syria

B. None of the above

C. Tamil Nadu

D. Columbia

918. On the basis of season cotton is a__________________?
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A. Kharif crop

B. Zaid Kharif crop

C. Rabi crop

919. The crop which are cultivated for grain purposes are called_________________?
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A. Leguminous crops

B. Fiber crops

C. Cereal crops

D. Fodder crops

920. Which is the most important cereal crop of temperature region________________?
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A. Paddy

B. Barley

C. Maize

D. Wheat
921. Generally field crops are cultivated at altitude__________________?
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A. 0008000 ft

B. 1200014000 ft

C. 20004000 ft

D. 02000 ft
922. Fertilizer application before seed sowing is called__________________?
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A. Drilling

B. Top dressing

C. Broadcasting

D. Basal application
923. A place or area where maximum variability of crop plants is observed__________________?
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A. Micro centers

B. Genetic diversity

C. Gene sanctuaries

D. Centers of diversity
924. A long severe winter and short summer is called_________________?
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A. Sub-temperature

B. Semiarid

C. Arctic

D. Semi arctic

925. A region with an annual rainfall less than 10 inches comes under_________________?
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A. None of the above

B. Wet climate

C. And climate

D. Semi-and climate

926. Initial vegetation that invades and occupies the area is called_________________?
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A. None of the above

B. Resin

C. Pioneer

D. Range

927. Ratio of crop yield to the amount of water utilized is called______________?
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A. Crop water use efficiency

B. Soil water use

C. Water intensity

D. Soil plant water relationship

928. Plants having no defined limits of vegetative and reproductive element is called______________?
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A. Absolute growth

B. Determinate growth

C. Assimilation

D. Indeterminate growth
929. Which one of the following is a major fiber crop of Pakistan ?
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A. Jute

B. Sesame

C. Cotton

D. Sugarcane

930. Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?
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A. X rays

B. None of the above

C. Infra blue radiation

D. Infra red radiation
931. The seed dormancy of rice seed can be broken by putting into the oven at____________________?
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A. 50c for 5 hrs

B. 45c for 6 hrs

C. 53c for 6 hrs

D. none of the above

932. Allelopathy interaction between plants playa crucial role in___________________?
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A. Ecosystems

B. Community

C. Both a and b

D. non of there

933. The plants which grown on stream bank are__________________?
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A. Bryophytes

B. Xerophytes

C. Pheritophytes

D. None of the above

934. In Sunflower, production of foundation seed requires as isolation distance of__________________?
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A. 400 meters

B. 200 meters

C. 800 meters

D. 100 meters

935. The contribution of agriculture in the GDP of the country is____________________?
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A. 25%

B. 40%

C. 30%

D. 35%

936. In countrys GDP, the cotton accounts for_________________?
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A. 10.15%

B. 2%

C. 5%

D. 2%

937. A foreign variety that is directly recommended for commercial cultivation is called_________________?
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A. Exotic variety

B. Hybrid variety

C. Pure line variety

D. Blended variety

938. Cultivation of same crop year after year is called________________?
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A. Monocropping

B. All the above

C. Single cropping

D. Double, cropping

939. Green vegetables are the source of___________________?
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A. Carbohydrates

B. Vitamin

C. Biotin

D. Folate
940. Seed bag labeled with white colour indicates_________________?
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A. Basic seed

B. Certified seed

C. Pure seed

D. Pre-basic seed

941. The term mitosis was coined by________________?
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A. Bruce and Keeble (1908)

B. Non of these

C. De Vries and correns (1908)

D. Flemming (1882)
942. Growing more then one crop in a season in the same land is called________________?
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A. Double cropping

B. Monocropping

C. Intensive cropping

D. Intercropping

943. Seed leachate conductivity is significantly higher in seeds having_________________?
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A. None of the above

B. Higher root weight

C. Higher shoot weight

D. Lower shoot weight
944. In cotton the recommended R x R distance is_________________?
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A. 45 cm

B. 75 cm

C. 90 cm

945. The higher leachate conductivity is associated with__________________?
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A. Mature seeds

B. All the above

C. Abnormal seeds

D. Immature seed?
946. Field capacity and permanent wilting point are different indifferent_______________?
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A. Seasons

B. Regions

C. Soils

D. Crops

947. Who described the method of estimating seed vigor on the basis of colour intensity of stained seed________________?
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A. Woodstock (1976)

B. Maguire (1962)

C. Nicolls & Heu Decker (1968)

D. Kittock and Law (1969)
948. In pulses, for the production of nucleus seed we require minimum of_________________?
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A. 400 plant progenies

B. 500 plant progenies

C. 200 plant progenies

D. 300 plant progenies

949. Protein content in barely is higher than____________________?
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A. maize

B. wheat

C. rice

D. None of the above

950. Among the cotton exporting countries the number of America is___________?
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A. 2<sup>nd</sup>

B. 1st

C. 4<sup>th</sup>

D. 3<sup>rd</sup>