FSO Questions and Answers (Set 3)

 


51. In canning or retorting, the time required to destroy a given number of organisms at a

specic temperature is known as

 A) Z-value 

B) d-value

C) TdT-value 

d) 12-d

 52. In species identication of animal products by PCR-RFLP, the sequence of which

mitochondrial gene is commonly employed ?

 A) Cyt-b 

B) Cyt-b2

C) 12s Rrna 

d) None of the above

 53. The true indicator of faecal contamination in meat

 I. E. Coli

 II. Salmonella

 III. Streptococci

 Iv. Campylobacter

 A) I and II only B) I, II and Iv only

 C) II and III only d) I only

 54. Which of the following statements about poultry processing is/are correct ?

 I. Bleeding time in chicken is approximately 2-3 minutes.

 II. In soft scalding, the temperature used is around 50°C for 1.5-2 minutes.

 III. Hard scalding is generally followed for water birds and breeders.

 Iv. Scalding temperature of mature birds is around 65°C (sub-scalding).

 A) I only B) I, II and III only

 C) I, II, III and Iv d) II and Iv only

 55. Which of the following statements about Staphylococcus aureus food poisoning are correct ?

 I. Staphylococcus aureus causes food poisoning mostly by intoxication.

 II. Food poisoning by Staphylococcus aureus occurs due to ingestion of endotoxins.

 III. Staphylococcus aureus produce heat stable toxin.

 Iv. Inhalation is a common mode of food poisoning by staphylococcus aureus.

 A) I and III only B) I, III and Iv only

 C) II and III only d) All of the above

 56. Which of the following statements correctly describes the grading of a chicken carcass

with the wingette portion of the wing missing ?

 I. The missing wingette affects the appearance of the carcass.

 II. A chicken carcass with a missing wingette is graded as “A Grade”.

 III. missing parts such as the wingette typically result in downgrading to “B Grade”.

 Iv. The carcass may still graded for “C Grade” depending on additional defects.

 A) I and II only B) I, III and Iv only

 C) II and Iv only d) I, II, III and Iv


 57. Which of the following statements correctly describes the carcass judgment for poultry affected by the following diseases : Avian inuenza, fowl pox, avian leukosis and infectious bursal disease ?

 I. Avian inuenza typically results in hemorrhagic lesions in the trachea, lungs and

digestive tract, leading to total condemnation of the carcass.

 II. Fowl pox presents with nodular lesions on the skin, comb, wattles and emaciated

but the carcass may be acceptable if internal organs are unaffected.

 III. Avian leukosis causes tumors in the liver and other organs, leading to total

condemnation of the carcass.

 Iv. Infectious bursal bisease often causes damage to the bursa of Fabricius, resulting

in weakened immunity and the carcass may be condemned due to secondary

infections.

 A) I and II only B) I, III and Iv only

 C) II and Iv only d) All of the above

 58. Which of the following statements about meat and meat products packaging system are

correct ?

 I. In modied Atmosphere Packaging (mAP), nitrogen is primarily used as a ller gas.

 II. Shrink lm packaging eliminates pockets for purge accumulation.

 III. To prevent irreversible browning in vacuum packaging, the oxygen level must be

below 500 ppm.

 Iv. vacuum packaging offers excellent protection against freezer burn.

 A) I and II only B) II and Iv only

 C) I, II and Iv only d) All of the above

 59. Which of the following statements about gaseous stunning in pigs are correct ?

 I. Carbon dioxide stunning results in relaxed carcasses, facilitating easier dehairing and dressing.

 II. CO2 stunning reduces the incidence of PSE (pale, soft, exudative meat) and muscle splashes.

 III. Inert gas stunning has a fast induction of unconsciousness but slow recovery, requiring shorter exposure times to be effective.

 Iv. CO2 stunning is associated with lower labour requirements and minimal operator risks due to the absence of clonic convulsions.

 A) I only B) I, II and Iv only

 C) II and III only d) All of the above

 60. Which of the following practices best ensures the welfare and meat quality of pigs during

preslaughter care ?

 I. Providing pigs with a molasses-water mix before transport help to prevent glycogen loss.

 II. Showering pigs with cold water in lairage help to reduce body temperature and calm them.

 III. mixing of pigs of different social group just before transportation help to minimise fighting and stress.

 Iv. Avoiding rough handling and isolating animals from their social group help to reduce stress.

 A) I, II and III only

 B) II, III and Iv only

 C) I and II only

d) All of the above

 61. Ribose is a ___________ sugar.

 A) 5C B) 4C C) 3C d) 6C

 62. The enzyme elastase is produced in

 A) Intestine B) Pancreas

 C) Stomach d) liver

 63. _________ formation is needed for fat absorption.

 A) Chlomicrons B) Hdl  C) vldl d) micelles

 64. Calbindin formation is induced by

 A) Calcium B) vitamin d C) Protein d) Calcium phosphorous complex

 65. Selenium competes with ____________ in biochemical pathways.

 A) Chromium B) Sulphur C) Protein d) Zinc

 66. Curdlan is a type of

 A) Pectin B) lignin C) Gum d) Betaglucan

 67. Physical Activity Ratio(PAR) refers to

 A) Ratio of physical activity to rest

 B) Energy cost of an activity per unit time

 C) Ratio of energy for an activity to total energy

d) Ratio of time for a physical activity to total time

 68. RDA of iron for adult women is

 A) 18 mg B) 24 mg C) 29 mg d) 27 mg

 69. The hormone that inhibits calcium absorption

 A) PTH B) vitamin d C) Calcitonin d) Thyroxine

 70. For dim light vision

 A) Cis retinal is converted to trans retinal

 B) Trans retinal is converted to Cis retinal

 C) Trans retinol is converted to retinaldehyde

d) Cisretinaldehyde is converted to trans retinol

 71. HCI and Potassium ferrocyanide are used to detect ____________ in tea.

 A) Azo dyes B) Coal tar dyes

 C) Caffeine d) Chicory

 72. The most common polar adsorbent used in Column chromatography

 A) Silica gel B) Calcium carbonate

 C) Calcium sulphate d) Calcium hydroxide

 73. lower Retention factor in Tl chromatography indicates

 A) lower polarity of solute B) Higher polarity of solute

 C) Higher volatile nature d) lower volatile nature

 74. In reversed phase chromatography, stationary phase is

 A) Ionic B) Neutral C) Non polar d) Polar

 75. Soap bubble ow meter is used in

 A) Gas chromatography B) viscometer C) Texture analyser d) Farinograph

ANSWERS:

51-C

52-A

53-D

54-B

55-A

56-B

57-B

58-D

59-B

60-C

61-A

62-B

63-D

64-B

65-B

66-D

67-B

68-C

69-C

70-A

71-D

72-A

73-B

74-C

75-A

 

 

 

 

 


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