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TLS Online TPP Program

#Question id: 4943

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

#XL - S Microbiology

  1. only early Earth had water vapor in its atmosphere.

  2. Only early Earth was intensely bombarded by large space debris.

  3. Only early Earth had an oxidizing atmosphere.

  4. Less ultraviolet radiation penetrated Earthʹs early atmosphere.

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TLS Online TPP Program

#Question id: 7499

#General Aptitude

Two trains, one from A to B and the other from B to A, start simultaneously. After theymeet, the trains reach their destinations after 4 h and 9 h respectively. The ration of their speeds is
TLS Online TPP Program

#Question id: 8927

#XL - R Botany

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
TLS Online TPP Program

#Question id: 379

#XL - S Microbiology

A compound has a pKa of 7.4. To 100 mL of a 1.0 M solution of this compound at pH 8.0 is added 30 mL of 1.0 M hydrochloric acid. The resulting solution is pH:
TLS Online TPP Program

#Question id: 937

#XL - Q Biochemistry

Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?
TLS Online TPP Program

#Question id: 97

#XL - Q Biochemistry

Which is a difference between maltose and cellobiose?