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#Question id: 23521


Ozone layer depletion or hole in ozone layer is being chiefly found in

#Aptitude
  1. Russia 
  2. South pole
  3. North pole 
  4. None of these

Answer:- Option(s): 2


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#Question id: 19690

#13. Methods in Biology

In electrocardiogram, PR interval represents-

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#Question id: 311

#1. Molecules and their Interaction Relevant to Biology

Which of the following has no contribution to the stability of tRNA?

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#Question id: 23476

#Aptitude

The amount of cheque is recorded through magnetic ink through

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#Question id: 384

#1. Molecules and their Interaction Relevant to Biology

A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).

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#Question id: 5087

#5. Developmental Biology

The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is ________.

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