agriculture MCQs – Page 82

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

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

1621. The physical appearance of an organism is denoted by____________________?
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A. Apheliotropic

B. Prototype

C. Photocopy

D. Phenotype

1622. If a plant is heterozygousand is designated (BbMm)and produces two kinds of gametes either (BM)or (bm), then the possibility of (bm) gametes fertilizing either (BM) or (bm) is_________________?
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A. 4-Jan

B. 0/1

C. Half

D. 1-Jan

1623. An atmosphere with reduced concentration of O2 and increased concentration of CO2 is called_______________?
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A. Refrigeration

B. Humidity control

C. Controlled atmosphere

D. Oxidation

1624. Abnormal cell with random number of chromosomes is__________________?
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A. Polyploidy

B. Heterckaryotic

C. Annapolis

D. Haploid

1625. If the leaf cells have eight chromosomes it is mostly likely that__________________?
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A. Gametes will have 8 chromosomes

B. Zygote will have 4 chromosomes

C. Gametes will have 4 chromosomes

D. Zygote will have 16 chromosomes

1626. Several scions with their base ends trimmed as wedges are inserted between the bark and the wood is called_________________?
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A. Tongue grafting

B. Bark grafting

C. Splice grafting

D. Bridge grafting

1627. Citrus tree can tolerate soil pH_________________?
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A. None of the above

B. 5.5-7.5

C. 5.5-8.5

D. 6-May

1628. Electron microscope was invented by _________________?
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A. Knoll and Risks

B. Sigmund

C. Schwaan

D. Robert Hook

1629. Which of the following is not a fruit____________________?
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A. Muskmelon

B. Potato

C. Bitter gourd

D. Tomato

1630. In mango and carrot how much vitamin C (mg/100 gm)is present__________________?
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A. None of the above

B. 80

C. 40

D. 30

1631. In random mating population gene frequencies remain constant generation after generation in the absence of__________________?
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A. Random drift

B. Selection

C. Migration

D. Mutation

1632. What type of pollination is observed in cauliflower__________________?
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A. Self pollination

B. Cross pollination

C. Self fertilization

D. Partial self fertilization

1633. The number of calories of heat required to change the temperature of one Kg of a substance is called____________________?
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A. Heat action

B. Specified heat

C. None of the above

D. Molar heat

1634. The basal part which provided the root system for anchorage and absorption of moisture and nutrients is called___________________?
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A. Grafting

B. Scion

C. Budding

D. Root stock

1635. In Holy Quran which one of the following fruits have been especially mentioned____________________?
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A. All the above

B. Figs

C. Dates

D. Grapes

1636. Continuous variation are attrions are attributed to____________________?
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A. Mutations

B. Polyploidy

C. Crossingover

D. Linkage

1637. Parthenogenesis is most commonly seen in___________________?
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A. Apple

B. Grape

C. Orange

D. Mango

1638. If the cell of an organism (heterozygous) for two pairs of genes represented by Aa, Bb, undergoes meiosis then the possible genotype of gametes are________________?
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A. AB, ab

B. Data insufficient

C. Ab, ab

D. AB, Ab, aB, ab

1639. How many training system are__________________?
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A. Two

B. Five

C. Four

D. Three

1640. Fruit in which edible portion is thalamus are known as___________________?
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A. Aggregate fruit

B. Pome

C. Soft fruits

D. Berries

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