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#Question id: 360


Which of the following is considered to be a strong base (alkali)?

#Section 4: Fundamentals of Biological Engineering
  1. HCl → H+ + Cl-

  2. NH3 + H+ ⇔ NH4+

  3. H2CO3 ⇔ HCO3- + H+

  4. NaOH → Na+ + OH


Answer:- Option(s): 4


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#Question id: 1958

#Section 2: General Biology

Both the eye and the respiratory tract are protected against infections by which of the following?

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#Question id: 14719

#Section 1: Engineering Mathematics

The function f(x) 

is continuous at x = 2 if

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#Question id: 15371

#Section 1: Engineering Mathematics

Laplace Transform of function e-at is: 

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#Question id: 15478

#Section 6: Plant, Animal and Microbial Biotechnology

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

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#Question id: 264

#Section 2: General Biology

Supercoiling of pure circular DNA is a result of ________.

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