agriculture MCQs – Page 36

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 Review each marked answer and report any item that may be outdated or unclear.

1751. Which one of the following is thickening agent___________________?
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A. All the above

B. Amylase

C. Agar

D. Guar gum

1752. A paranchy matous outer growth in the minor wall of the ovary to which the ovules are attached is called ___________________?
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A. Ovule

B. Placenta

C. Cambium

D. Ovary

1753. Pynivate carboxylase is an example of ______________________?
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A. Ligases enzyme

B. Lysos enzyme

C. Isomerase enzyme

D. Hydrolases enzyme

1754. Cotton fiber are made up of___________________?
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A. Cellulose

B. Fates

C. Protein

D. Starch

1755. Biotin is the name given to vitamin___________________?
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A. Vitamin C

B. Vitamin D

C. Vitamin E

D. Vitamin H
1756. Which one of the following is non-climacteric fruit__________________?
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A. Grape

B. Mango

C. Apple

D. Papaya

1757. The process that convert glucose to pyruvic acid is____________________?
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A. Citric cycle

B. Glycolysis

C. Fermentation

D. Calvin-Benson cycle

1758. Lenticular transpiration generally occurs in____________________?
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A. Cercal crops

B. Flower

C. Vegetables

D. Woody plants
1759. Guava grown in soils with pH _____________________?
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A. 7.5-9.0

B. 4.5-8.5

C. 6.5-7.5

D. 5.5-7.5

1760. When a single bud is used as scion and inserted into root stock is called ____________________ ?
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A. Shield budding

B. Budding

C. All the above

D. Stocking

1761. The anerobic or partially anaerobic dxidation of carbohydrates with the help of enzymes is called as____________________?
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A. Preservation

B. Dehydration

C. Pasteurization

D. Fermentation
1762. Which one of the following instrument is used for measuring fruit flesh finess__________________?
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A. Magners- Taylor pressure tester

B. Penetometer

C. All the above

D. Effegi instrument

1763. which one of the following fruit is perishable________________________?
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A. Banana

B. Cherry

C. Grapes

D. Mango

1764. Sugarcane is an example of____________________?
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A. Simple food

B. Complex food

C. Nutritious food

D. Simple food

1765. Low temperature in climacteric fruits causes delay in________________________?
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A. Harvesting

B. None of the above

C. Conversion of sugar to starch

D. Ripening
1766. Disease incidences in plants is favored by___________________?
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A. High humidity

B. All the above

C. Low temperature

D. Cloudy weather

1767. Planting distance of about 10-15 meter is recommended for___________________?
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A. Datepalm

B. Mango

C. Banana

D. Apple

1768. Fruits are an excellent source of_____________________?
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A. Vitamins

B. Carbohydrates

C. All the above

D. Minerals

1769. Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called___________________?
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A. Phototropism

B. Short day plants

C. Long day plants

D. Photoperiod

1770. Mango is grown in soils with pH__________________?
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A. 5.5-7.5

B. 8-May

C. 5.5-8.7

D. 8-Jun

1771. Production of silk is termed as ____________________?
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A. sericulture

B. silvi culture

C. None of the above

D. Apiculture

1772. The science which deals with the path of the food___________________?
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A. Food processing

B. Food technology

C. Food Science

D. Nutrition
1773. A major metabolic process taking place in harvest yield is__________________?
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A. Growth

B. Respiration

C. Absorption

D. transpiration

1774. Fresh foods have water activity (Aw) of____________________?
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A. 1

B. 0.99

C. 1.6

1775. Which one of the following causes deficiency beriberi ___________________?
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A. Vitamin C

B. Vitamin D

C. Vitamin D

D. Vitamin B-1
1776. Parthenocarpic refers to____________________?
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A. Multi seed fruit

B. All the above

C. Seed less fruit

D. Single seeded fruit

1777. Degreening of citrus fruit is achieved by the use of_____________________?
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A. Ethrel

B. Ethepone

C. Cytokinine

D. Ethylene

1778. Deamination, oxidation, polymerization and decarboxylatio observed during irradiation in___________________?
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A. Protein

B. non of these

C. Carbohydrates

D. Water

1779. Folic acid deficiency causes___________________?
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A. Anaemia

B. Beriberi

C. Night blindness

D. Rickets

1780. Reduction in climatic temperature causes reduction in fruit parameters such as__________________?
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A. Change in texture

B. Loss of vitamin C

C. Respiration

D. All the above
1781. The photo nthesis reaction is determined by_________________?
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A. Nernst equation

B. Hill reaction

C. Goldman equation

D. Oxidation-reduction reaction

1782. Which among the following does not possess cotyledons__________________?
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A. Coconut

B. Cuscuta

C. Castor

D. Carrot
1783. Which one of the following is fruit__________________?
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A. Brinjal

B. Potato

C. Cauliflower

D. Ginger

1784. Anacardiaceous is the family of_________________?
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A. Cauli flower

B. Citrus

C. Mango

D. Ber

1785. The storage life of fresh oranges at 5 to 9c is ____________________?
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A. 6-12 weeks

B. 4-6 weeks

C. 6-10 weeks

D. 6-8 weeks

1786. System of planting banana suckers followed in Sindh is____________________?
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A. Rectangular

B. Hexagonal

C. Square

D. Triangular

1787. In seed formation the outer integument of the ovule shrinks and forms the seed coat, is called as_________________?
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A. Tag men

B. Seed coat

C. Tesla

D. Axil

1788. Scaled polyethylene bags increase the susceptibility of orange fruit from_________________?
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A. Mould

B. Bacteria

C. Fungi

D. Virus

1789. Trees are characterized by ____________________?
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A. Single central stem

B. Larger branch

C. Many branches

D. Root

1790. Absence of chlorophyll in the plant is known as_____________________?
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A. None of the above

B. Albinism

C. Acrodsome

D. Agoun

1791. Food substances enter in food stuffs accidentally during production, processing, storage and handing often referred 10 as___________________?
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A. All the above

B. Food additives

C. Food adulterants

D. Food contaminations
1792. Alternate bearing is the serious problem of_____________________?
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A. Citrus

B. Guava

C. Persimon

D. Mango
1793. Estimate percentage loss of the world production__________________?
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A. 40

B. 25

C. none

D. 30

1794. The ovary develops and forms ____________________?
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A. Fruit

B. None of the above

C. Ovule

D. seed

1795. The term vernalization was first used in 1928 by____________________?
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A. Gassner

B. Lysenko

C. Wrinkker

D. Chailakhian

1796. The application of science and engineering process to increase shelf life of food and prevent deterioration is known as___________________?
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A. Food preservation

B. Food science

C. Food processing

D. Food technology

1797. In plants the food is stored in the form of ____________________?
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A. Glycogen

B. Strach

C. Cellulose

D. Fat

1798. Collar rot in chilies is caused by ___________________?
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A. Phytophatara cupsa

B. Phytopatinara infeston

C. Phytophuthora spesies

D. Rhizocotina solani

1799. The storage life of fresh lemon at 10C is___________________?
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A. 12-20 weeks

B. 12-16 weeks

C. 10-15 weeks

D. 6-10 weeks

1800. Which one of the following quantative change is associated with ripening of fruits_____________________?
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A. All the above

B. Breakdown of poly carbohydrates

C. Conversion of starch to sugar

D. Pectic substance and hemicellulose