Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 12800
TLS Online TPP Program

#Question id: 14594

The acid-fast stain

#Section 2: General Biology
  1. reflects differences in cytoplasmic membrane structure.
  2. uses crystal violet and safranin.
  3. uses carbolfuchsin and methylene blue.
  4. is useful for distinguishing a small group of organisms, including Mycobacterium AND uses carbolfuchsin and methylene blue
More Questions
TLS Online TPP Program

#Question id: 27520

#Section 5: Bioprocess Engineering and Process Biotechnology

In the air filter, the particles removal due to drag force
TLS Online TPP Program

#Question id: 27521

#Section 5: Bioprocess Engineering and Process Biotechnology

In the figure below, '1', '2' and '3' stand for
TLS Online TPP Program

#Question id: 27558

#Section 5: Bioprocess Engineering and Process Biotechnology

10 kg of a pure enzyme (Mr 30 000) catalyses the conversion of 1.5 g of a substrate (Mr 44) to products in 5 minutes. What will be the turnover number in (sec^-1)  ....10^5
TLS Online TPP Program

#Question id: 27562

#Section 5: Bioprocess Engineering and Process Biotechnology

Match each parameter in Group 1 with the appropriate measuring device in Group 2

Group 1                                       Group 2

(P) Pressure                               (1) Photometer

(Q) Foam                                    (2) Rotameter

(R) Turbidity                               (3) Diaphragm gauge

S) Flow rate                                (4) Rubber sheathed electrode
TLS Online TPP Program

#Question id: 27563

#Section 5: Bioprocess Engineering and Process Biotechnology

Match the instruments in Group 1 with their corresponding measurements in Group 2
Group 1                                                         Group 2
(P) Manometer                                              (1) Agitator speed
(Q) Rotameter                                               (2) Pressure difference
(R) Tachometer                                              (3) Cell number
(S) Haemocytometer                                     (4) Air flow rate
TLS Online TPP Program

#Question id: 27589

#Section 5: Bioprocess Engineering and Process Biotechnology

The pressure gauge on an autoclave reads 15 psi. What is the absolute pressure in the chamber in psi? (Assume atmospheric pressure is 14.7 psi)