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MCQs 1: Root nodules in plant help in__________________?

Photosynthesis Aeration Nitrogen fixation Respiration
Answer Explanation

MCQs 2: Part of embryonic axis which develops into root is called___________________?

Plumule Radicle Coleoptile Coleorluza
Answer Explanation

MCQs 3: Tillage is field operation which help in cutting, loosening and inverting the soil for_________________?

Fertilization Irrigation Seed bed preparation Transplantation
Answer Explanation

MCQs 4: Foliar application of nitrogen means applying nitrogen in solution form to___________________?

Whole plant Leaves Stem only Flowers only
Answer Explanation

MCQs 5: The available form of nitrogen for plants is_________________?

NO₃ NH₄ Both a and b non of these
Answer Explanation

MCQs 6: A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________?

Germ and Keitreiber (1954) Kittock and Law (1963) Maguire (1963) Moore (1973)
Answer Explanation

MCQs 7: genetic purity is assessed through________________?

Inspection Seed testing Germination All the a b c
Answer Explanation

MCQs 8: Hybrid seeds are developed because they_________________?

Produce better crop Provide greater vigour Are more uniform All the above
Answer Explanation

MCQs 9: The systematic arrangement of soil in to groups or categories is called_________________?

Classification Annuals Perennials Ranking
Answer Explanation

MCQs 10: One rooting hormone occurring naturally in plant is ___________________?

Indolebutyric Indolacetic acid Naphthalene acetic acid None of the above
Answer Explanation

MCQs 11: The contribution of agriculture in the GDP of the country is____________________?

25% 35% 30% 40%
Answer Explanation

MCQs 12: Pakistan has a total forest area of about_________________?

22 million ha 32 million ha 12 million ha 20 million ha
Answer Explanation

MCQs 13: The sever salinity problem has taken lands out of production as___________________?

50% 10% 45% 30%
Answer Explanation

MCQs 14: In wheat total crop N uptake per ton of grain is about__________________?

50-60 Kg 20-30 Kg 15-20 Kg 70-80 Kg
Answer Explanation

MCQs 15: Two much Mg may create deficiency for_____________________?

P Ca N K
Answer Explanation

MCQs 16: The contact herbicides are less effective to_________________?

Broad leaved weeds Perenial plants Seasonal plants All the above
Answer Explanation

MCQs 17: Tensiometer is used for measuring____________________?

Soil moisture Water pressure Wind pressure None of the above
Answer Explanation

MCQs 18: Mg in plants act as___________________?

Protein activator Enzyme activator Starch activator None of the above
Answer Explanation

MCQs 19: The given off water vapours from the surface of leaves is called________________?

Transpiration Respiration Exudation Evaporation
Answer Explanation

MCQs 20: The value of regression and correlation is the same when the correlation between two variables is_________________?

Imperfect Perfect Positive Negative
Answer Explanation

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