1901. Which one of the following is synthetic flavour __________________?
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A. All the above

B. Esters

C. Ketones

D. Aldehydes

1902. Acid soil contain pH____________________?
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A. >7

B.

C. >7.0

D. 8.5

1903. The storage life of dried fruit at 32F with R.H of 60% is___________________?
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A. 6-8 months

B. 9-12 months

C. 8-10 months

D. 4-6 months

1904. The food colour measurement can be obtained by ___________________?
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A. Tint meters

B. All the above

C. Disc colourimetry

D. Spectrophotometer

1905. Shrinking and swelling is property of__________________?
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A. Water

B. Clay

C. Silk

D. Smecitie
1906. Gelatinization is the process in which ____________________?
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A. Starch granules swell rapidly and lose birefringence

B. Starch granules do not swell rapidly and lose birefringence

C. Starch granules collide frequently causing a reduction in viscosity

D. Both a & b
1907. WHO recommended daily intake of calcium for adults is _____________________?
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A. 400-500 mg

B. 200-300 mg

C. 300-400 mg

D. All the above

1908. Which soil bolds more water ?
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A. Sitry

B. Sandy

C. Stony

D. Clayey
1909. DAP fertilizer available in Pakistan contains__________________________?
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A. 100%P2O3

B. 46%N & 18%P2O3

C. 50%P2O3

D. 18% N & 46% P2O5
1910. Approximately quantity of milk required to prepare 1 kg of cheese is_____________________?
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A. 8 Kg

B. 12 Kg

C. 10 Kg

D. 5 Kg

1911. When fresh meat in a butchers shop is cut, the newly exposed surface, on coming in contact with oxygen becomes______________________?
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A. Red

B. Pinkish

C. Brownish

D. Bright red

1912. The chemical formula of Hematite is_____________________?
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A. Fe2O3

B. AL (OH)2

C. None of the above

D. Fe OOH

1913. Approximate calories in one cup of white cooked rice is __________________?
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A. 175

B. 150

C. 225

D. 201
1914. The storage life of Butter at -20F With R.H of 85% is_____________________?
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A. 4 months

B. 8 months

C. 12 months

D. 6 months

1915. C6H12O6 Yest 2C2H2OH+2CO2__________________?
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A. All the above

B. Lactic fermentation

C. Acetic fermentation

D. Alcoholic fermentation
1916. Fermentation industries include______________________?
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A. Wine making

B. Baking

C. all the above

D. Brewing

1917. Histols are found in______________________?
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A. Pakistan

B. Canada

C. Alaska

D. Both b & c
1918. Structure and size of aphantic rock is________________?
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A. Phenocryst

B. Course-grained like

C. Fine grained

D. Large-Glassy

1919. Severe diarrhea and dehydration in human is due to lack of__________________?
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A. All the above

B. Lysine

C. Rennin

D. Lactase
1920. When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
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A. Chelate

B. Solution complex

C. All the above

D. Complex ion

1921. The concentration of ethylene required for the ripening of Banana is______________________?
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A. 5 ppm with 24 hr

B. 15 ppm with 24 hr

C. 10 ppm with 24 hr

D. 12 ppm with 24 hr

1922. Oxidative rancidity is promoted by ____________________?
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A. Catalysis

B. All the above

C. Enzymes

D. Heat

1923. Which type of bacteria grow best at room temperature of 20____________________?
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A. All the above

B. Mesophilic

C. Thermophilic

D. Psychrophilic

1924. Main product of photosynthesis is_____________________?
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A. C6H12O6

B. C5H12O6

C. C12H24O12

D. C3H6O6

1925. Who gave the equation for study of soil property ?
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A. Ziebig

B. Newton

C. Neil

D. Jenny
1926. Amino acid with no polar R group are____________________?
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A. Hydrophobic

B. Aromatic

C. None of the above

D. Hydrophilic

1927. Some substance are added intentionally to foods for the purpose of marketing them more profit able are known as_____________________?
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A. All the above

B. Food contamination

C. Food adulterants

D. Food additives

1928. C6H12O6 bacteria CH2CHCOOH + H2O is_____________________?
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A. Alcoholic fermentation

B. Lactic fermentation

C. All the above

D. Acetic fermentation

1929. Rhyolite in nature is______________________?
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A. Acidic

B. Basic

C. Both a & b

D. None of the above

1930. Ligands that occur in Pakistan soils are__________________?
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A. CO3-2 SO4-2

B. SO4-2 OH

C. All the above

D. OH1 HCO2

1931. A compound toxic to crop formed by the thermal decomposition of urea is_________________?
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A. Uric acid

B. Biurct (NH2CONH CONH2 H2O)

C. Diuret

D. Both b & c

1932. Geochemical weathering processes occurs______________________?
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A. At the level

B. Below soil solum

C. On the mountain

D. On surface

1933. Soil particles having diameter greater than 2 mm are called___________________?
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A. Silt

B. Sand

C. Clay

D. Gravel
1934. Extension of storage life by inhibition of sprouting of potatoes, onions and garlic can be achieved by radiation dose of_________________?
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A. 0.05-0.12 kGy

B. 0.05-0.1 kGy

C. 0.05-0.15 kGy

D. non of these

1935. Felsic rocks consists of___________________?
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A. fe

B. Buiotitic

C. Quartz & Feldspars

D. Quartz

1936. Esterases, proteinases, alkali acid phosphates belongs to_____________________?
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A. Hydrolases enzyme

B. Ligases enzyme

C. Transferases enzyme

D. Oxireductases enzyme

1937. The zorawar is brand name of ___________________?
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A. None of the above

B. TSP

C. MAP

D. DAP

1938. Cyclic salts are mostly of ______________________?
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A. HCO<sub>3</sub>

B. None of the above

C. Cl

D. SO4

1939. The break down of pertinacious material is referred to as____________________?
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A. Lipolysis

B. non of these

C. Proteolysis

D. Autolysis

1940. Identify the fertilizer (s) containing potassium____________________?
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A. All the above

B. Chilean salt peter

C. MOP

D. SOP

1941. Metamorphic rocks are formed from____________________?
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A. Igneous rocks

B. Sedimentary rocks

C. Both a & b

D. Cleavage

1942. Which one of the following are macro nutrients__________________?
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A. C,H,O

B. Ca,Mg,S

C. All the above

D. N,P,K

1943. The unit of electrical conductivity is____________________?
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A. Al the above

B. dsm-1

C. ms/cm

D. mmhos/m

1944. Weathering is_______________________?
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A. Destructive process

B. Constructive process

C. Both a & b

D. None of the above

1945. Pneumatic potential is due to____________________?
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A. Petrol

B. Water

C. Soil

D. Gas
1946. Most abundant mineral in the earth crust is______________________?
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A. S-Feldspar

B. Feldspar

C. N-Feldspar

D. Amplubole

1947. The deteriorative changes originating from with in the food system is known as________________?
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A. Hydrolysis

B. Proteolysis

C. Autolysis

D. Purification

1948. Planets in our system are____________________?
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A. 10

B. 12

C. 8

D. 9
1949. Problem of erosion in Thal and Cholistan is due to____________________?
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A. Water

B. Wind

C. Fire

D. Atmosphere

1950. Which mineral contain phosphorus__________________?
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A. Metamorphic

B. Apatite

C. None of the above

D. Igneous