agriculture MCQs – Page 87

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 Review each marked answer and report any item that may be outdated or unclear.

1721. Jack fruit belong to family__________________?
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A. Moraceae

B. Palmae

C. Carcaceae

D. Solanaceae

1722. Gumosis is disease of___________________?
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A. Guava

B. Citrus

C. Datepalm

D. Mango

1723. Citrus is divided into three genera, citrus, poncirus and fortunate by______________________?
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A. Hodgson

B. Swingle

C. None of the above

D. Lincous

1724. Meat, fruit, vegetables are ___________________?
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A. Simple food

B. Nutritive food

C. Complex food

D. Functional food

1725. Beer is produced from______________________?
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A. Rice

B. Com

C. Barley

D. Wheat

1726. Citrus canker is a disease caused by ___________________?
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A. Bacteria

B. Fungi

C. Nematode

D. Virus

1727. Who used first artificial hybridization in fruit crops ____________________?
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A. none

B. Jones (1917)

C. Knight (1800)

D. Karpocho (1810)

1728. Delta lactones are important in_____________________?
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A. Pickles

B. Jams

C. Jellies

D. Milk & milk products
1729. Which type of bacteria grow best within the temperature range 55C_____________________?
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A. Psychrophilic

B. All the above

C. Thermophilic

D. Mesophilic

1730. If humidity is more transpiration will be_____________________________?
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A. Less

B. More

C. No

D. Too much

1731. Apple, guava, mango,pineapple and tomato are____________________?
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A. Acid foods

B. Low acid foods

C. Medium acid foods

D. High acid foods

1732. Rafinose is_______________________?
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A. Monosaccharide

B. Trisaccharide

C. Disaccharide

D. Polysaccharide

1733. In California the age of citrus tree is____________________?
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A. 80-90 years

B. 75-100 years

C. 40 years

D. 70 years

1734. R1 to R6 genes against late blight of potato was reported by_____________________________?
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A. Biffen (1905)

B. Van der plank (1963)

C. Flor (1956)

D. Painter (1951)

1735. A paranchy matous outgrowth in the inner wall of the ovary to which the ovules are attached is called___________________?
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A. Placenta

B. Cambium

C. Ovule

D. Ovary

1736. Banana is a rich source of__________________?
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A. Carbohydrates

B. Lipids

C. Vitamins

D. Proteins

1737. According to national commission of Pakistan, post harvest losses in fruits are_________________?
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A. 30-50%

B. 20-25%

C. 20-40%

D. 60-70%

1738. A pruning management done to develop a tree framework strong cough to bear large number of fruits without breaking of branches is known as_________________?
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A. Training

B. All the above

C. Punning

D. Thinning

1739. The fermented dairy products are_____________________?
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A. Cheese and yoghurt

B. Butter and cream

C. Cream and ice cream

D. All the above

1740. Which one of the following disease is caused due to lack of fiber in diets_________________?
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A. Hernia

B. All the above

C. Appendicitis

D. Diabetes