1701. Anthesis starts in onion. at__________________?
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A. 5.00 am

B. 8.00 am

C. 7.00 am

D. 10.00 am

1702. The average temperature for maximum plant growth is _________________?
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A. 28-30C

B. 20-30C

C. 25-35C

D. 25-30C

1703. In ripened banana the aroma is due to presence of____________________?
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A. Eugenol

B. Isopentanol

C. Valencene

D. Ethyl

1704. Eating quality of the fruits is determined by_____________________?
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A. All the above

B. Physiological age

C. Flavor

D. Texture

1705. The moisture content of natural semi-perishable food ranges between_____________________?
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A. 50-70%

B. 50-60%

C. 60-90%

D. 70-80%

1706. Objective of pruning include___________________?
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A. Developing the strong framework

B. all the above

C. Improving the productiveness

D. Controlling the direction of growth

1707. The chromoplast develops mainly from__________________?
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A. Chloroplast

B. Amyloplast

C. Leucoplast

D. Phagoplast

1708. The smell in onion bulb is due to__________________?
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A. Much sugar

B. Fleshy leaves

C. Sulphur components

D. bad odour of the soil

1709. Purpling of leaves is common deficinary symptoms of __________________?
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A. Iron

B. Potassium

C. Nitrogen

D. Phosphorus
1710. Shelf life of banana at 20C in modified atmosphere with potassium permanganate is_____________________?
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A. Upto 7 days

B. Upto 30 days

C. Upto 14 days

D. Upto 21 days
1711. Chilling injury in fruits occurs due to__________________?
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A. Accumulation of acetaldehyde

B. All the above

C. Accumulation of toxic compounds

D. Accumulation of ethanol

1712. Which of the following constitute the best definition of fruit____________________?
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A. A fruit is a product of flower

B. A fruit is a mature ovary that contain seed

C. A fruit is post fertilization

D. A fruit is a product of ovary

1713. Tropical and subtropical fruits have the highest level of___________________?
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A. Cellulose and lactose

B. Maltose and starch

C. None of the above

D. Glucose and fructose

1714. Apperts work discovered the principle of____________________?
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A. Tining

B. Pasteurization

C. Browning

D. Sterilization
1715. The edible part of orange is_______________________?
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A. Unicelled placental hair

B. Unicelled endocarpie hair

C. Multicelled endocarpic hair

D. Multicelled placental hair

1716. The edible part in pomegranate is___________________?
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A. Juicy tasta

B. Juicy hairs

C. Jmey cpicarp

D. Mesocarp

1717. Green vegetables are the source of _________________?
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A. Vitamin

B. Foliate

C. Carbohydrates

D. Biotin

1718. Night blindness and keralinization is associated with deficiency of____________________?
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A. Vitamin C

B. Vitamin E

C. Vitamin A

D. Vitamin B

1719. The storage life of fresh apples at -1 to -4c is______________________?
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A. 20-25 weeks

B. 8-30 weeks

C. 4-10 weeks

D. 10-20 weeks

1720. From which part of turmeric plant the turmeric powder is obtained__________________?
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A. Dried fruit

B. Seeds

C. dried roots

D. Dried rhizome
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

1741. All the treatments given to a food stuff form the washing to the point off consumption is called__________________?
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A. Food science

B. Food technology

C. Food preservation

D. Food processing
1742. Auxins and cytokinins are________________?
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A. Insecticides

B. Herbicides

C. Fungicides

D. Growth regulators
1743. Which one of the following classify foods into 3 broad categories stable, semi perishable and perishable______________________?
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A. All the above

B. Nutritionist

C. Chemist

D. Food processor
1744. Imperfect flower is___________________?
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A. Unisexual

B. Without sepals

C. None of the above

D. Without petals

1745. Which one of the following is commonly applied to plan order to destroy some enzyme systems prior to canning freezing or dehydration________________?
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A. Sterilization

B. Blanching

C. Pasteurization

1746. Propagation of guava is done by___________________?
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A. Scoin

B. Layering

C. Suckers

D. Cutting

1747. Yoghurt,cheese, pickles are included in_________________?
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A. Dehydrated food

B. Fermented food

C. Simple food

D. Preserved food

1748. The high level of starch accumulation is present in__________________?
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A. Potato

B. Cucumber

C. Carrot

D. Cassava
1749. Type of mango fruit is_________________?
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A. Berry

B. Drupe

C. Pome

D. Peop

1750. Activities of plant tissues ceases at minimum temperature of ____________________?
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A. 2C

B. 10C

C. -1C

D. 4C