TLS Online TPP Program

#Question id: 21731


The smog constituent peroxyacetyl nitrate (PAN) dissociates into peroxyacetyl radicals and NO2(g) in a first order reaction with a half-life of 32 min. 
If the initial concentration of PAN in an air sample is 2.7×1015 molecules/L, what will be the concentration 2.24 h later?

#Part-B Specialized Branches in Biotechnology
  1. 1.4×1014 molecules/L
  2. 14 × 108 molecules/L
  3. 2.8×1014 molecules/L
  4. 14.1×1014 molecules/L
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TLS Online TPP Program

#Question id: 8911

#Part-A Aptitude & General Biotechnology

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 8912

#Part-A Aptitude & General Biotechnology

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition

TLS Online TPP Program

#Question id: 8912

#Part-B Specialized Branches in Biotechnology

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition

TLS Online TPP Program

#Question id: 8913

#Part-A Aptitude & General Biotechnology

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 8914

#Part-A Aptitude & General Biotechnology

Which of the following is (are) unique to animals?

TLS Online TPP Program

#Question id: 8914

#Part-B Specialized Branches in Biotechnology

Which of the following is (are) unique to animals?