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Home » GAT Subject » Aptitude Test - 43
Hassan
1.In dairy industry, a process for producing evaporated milk was presented in______________________?
A. 1896
B. 1835
C. 1840
D. 1896
2.Night blindness and keralinization is associated with deficiency of____________________?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin A
3.Due to the action of ultraviolet rays of sun, human body produces___________________?
A. Vitamin D
B. Vitamin B
C. Vitamin E
D. Vitamin D
4.Which one of the following is associated with normal clotting of blood__________________?
A. Vitamin C
B. Vitamin D
C. Vitamin K
D. Vitamin C
5.Which one of the following is a yellow, crystalline and water soluble compound_______________________?
A. Riboflavin
B. Niacin
C. Cholecaliferol
D. Riboflavin
6.Biotin is the name given to vitamin___________________?
A. Vitamin H
B. Vitamin C
C. Vitamin D
D. Vitamin H
7.Ascorbic acid deficiency causes________________?
A. Scurvy
B. Night blindness
C. Rickets
D. Scurvy
8.Which one of the following classify foods into 3 broad categories stable, semi perishable and perishable______________________?
A. Chemist
B. Nutritionist
C. Food processor
D. Chemist
9.The moisture content of natural semi-perishable food ranges between_____________________?
A. 50-60%
B. 70-80%
C. 60-90%
D. 50-60%
10.Apple, guava, mango,pineapple and tomato are____________________?
A. Acid foods
B. Low acid foods
C. Medium acid foods
D. Acid foods
11.Okra, green peas, green beans and leafy vegetables are____________________?
A. Low acid foods
B. Medium acid foods
C. Acid foods
D. Low acid foods
12.Foods that fall within the pH range of 5.0 to 4.5 are called_____________________?
A. High acid foods
B. Acid foods
C. Medium acid foods
D. High acid foods
13.The fruit and vegetables contain an insoluble stiffening material called______________________?
A. Pectin
B. Lig in
C. Protopectin
D. Pectin
14.Oxidative rancidity can be accelerated by the presence of certain divalent and polyvalent __________________________?
A. Metals
B. Light
C. High temperature
D. Metals
15.Colour changes leading to brown, grey and other in fresh and cured meat can be arise from_____________________?
A. Biochemical changes
B. Physical changes
C. Microbial activity
D. Biochemical changes
16.Dairy product regularly suffers from rancid, goaty and unclean taints due to excessive concentration of_____________________?
A. C11C20fatty acids
B. C20C22fatty acids
C. C12C20fatty acids
D. C11C20fatty acids
17.Chemically or bio chemically enzymes are primarily__________________?
A. Carbohydrates
B. Lipids
C. Vitamins
D. Carbohydrates
18. Which of the following produces citric acid?
A. Aspergillus
B. Pseudomonas
C. Saccharomyces
D. Aspergillus
19. Which of the following organism is nitrogen-fixing and found in rice fields in symbiotic association with Azolla?
A. Frankia
B. Tolypothrix
C. Spirulina
D. Frankia
20.Which of the following is used as a biofertilizer for soyabean crop?
A. Rhizobium
B. Azotobacter
C. Nostoc
D. Rhizobium
21.A common biopesticide for preventing plants from butterfly caterpillars is
A. Trichoderma
B. Baculovirus
C. Glomus
D. Trichoderma
22. Yeast is used for the production of
A. Tetracycline
B. Butanol
C. Ethanol
D. Tetracycline
23. Which alga can be used as food for the human being?
A. Chlorella
B. Polysiphonia
C. Ulothrix
D. Chlorella
24.Which of the following microorganisms is not used as a biofertilizer?
A. Rhizobium
B. Nostoc
C. Mycorrhiza
D. Rhizobium
25.Find the incorrectly matched pair
A. Serratia – Drug addiction
B. Spirulina – Single cell protein
C. Rhizobium – Biofertilizer
D. Serratia – Drug addiction
26.Find the incorrectly matched pair
A. Serratia – Drug addiction
B. Spirulina – Single cell protein
C. Rhizobium – Biofertilizer
D. Serratia – Drug addiction
27.Trichoderma harzianum is useful for
A. Bioremediation of contaminated soils
B. Gene transfer in higher plants
C. Reclamation of wastelands
D. Bioremediation of contaminated soils
28. Which of the following organisms is used in alcoholic fermentation?
A. Pseudomonas
B. Aspergillus
C. Saccharomyces
D. Pseudomonas
29.NaCl can act as
A. antagonist at optimal concentrations
B. synergistically if added in excess of optimum level
C. Both (a) and (b)
D. antagonist at optimal concentrations
30. A psychrophilic halophile would be a microbe that prefers
A. cold temperatures and increased amounts of salt
B. warm temperatures and increased amounts of pressure
C. cold temperatures and the absence of oxygen
D. cold temperatures and increased amounts of salt
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