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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 - T Zoology

  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: 10757

#XL - R Botany

A Negative Hydrostatic Pressure in Soil Water,
TLS Online TPP Program

#Question id: 19759

#XL - P Chemistry

Which of the following sentence is incorrect for covalent bond ?
TLS Online TPP Program

#Question id: 3639

#XL - S Microbiology

Replication of a bacterial chromosome normally starts at a fixed point called:
TLS Online TPP Program

#Question id: 1581

#XL - S Microbiology

An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?
TLS Online TPP Program

#Question id: 19783

#XL - P Chemistry

The correct Schrodinger’s wave equation for an electron with E as total energy and V as potential energy is