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MCQs

Total Questions : 76 | Page 4 of 8 pages
Question 31. Food industry: To detect freshness: Sports: ______________
  1.    BOD
  2.    Determine fatigue
  3.    Mustard gas
  4.    Acid detection
 Discuss Question
Answer: Option B. -> Determine fatigue
Answer: (b).Determine fatigue
Question 32. ____________ is measured by a biosensor consisting of a silicon wafer pH sensitive layer on which penicillinase enzyme is immobilized.
  1.    Penicillin
  2.    Glucose
  3.    Hormones
  4.    Sucrose
 Discuss Question
Answer: Option A. -> Penicillin
Answer: (a).Penicillin
Question 33. ________________ measures as low as 5 ng of cocaine in urine samples in 45 seconds.
  1.    Immunosensor
  2.    Portable biosensor
  3.    Surface Plasmon Resonance biosensor
  4.    Thyroxine measuring biosensor
 Discuss Question
Answer: Option B. -> Portable biosensor
Answer: (b).Portable biosensor
Question 34. Thyroxine hormone sensing molecule is used in the biolayer which is used to detect _______
  1.    diabetes
  2.    fatigue
  3.    graves’ disease
  4.    penicillin
 Discuss Question
Answer: Option C. -> graves’ disease
Answer: (c).graves’ disease
Question 35. In defense, biosensors are used to sense taste, freshness, odor and to find out toxic substances.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 36. In agriculture, biosensors have not been used for which of the following?
  1.    Detection of plant neutrients
  2.    Detect fertilizers
  3.    Detect toxic compounds
  4.    Detection pesticides
 Discuss Question
Answer: Option C. -> Detect toxic compounds
Answer: (c).Detect toxic compounds
Question 37. Freshness of meat or fish is measured by using penicillinase enzyme.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 38. Biosensors are used in food industry to _________
  1.    sense taste
  2.    detect mustard gas
  3.    detect acid alcohols
  4.    determine fatigue
 Discuss Question
Answer: Option A. -> sense taste
Answer: (a).sense taste
Question 39. To detect the freshness of meat of fish, which of the following enzyme is not required?
  1.    ATPase
  2.    Amino oxidase
  3.    Putrescine oxidase
  4.    Invertase muta-rotase
 Discuss Question
Answer: Option D. -> Invertase muta-rotase
Answer: (d).Invertase muta-rotase
Question 40. Glucose level as low as 0.15 mmol can be detected by using _________ enzyme.
  1.    penicillinase
  2.    putrescine oxidase
  3.    glucose oxidase
  4.    alcohol oxidase
 Discuss Question
Answer: Option C. -> glucose oxidase
Answer: (c).glucose oxidase

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