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TLS Online TPP Program

#Question id: 4608

What must be true of any organ described as vestigial?

#XL - S Microbiology

  1. It must be analogous to some feature in an ancestor.

  2. It must be homologous to some feature in an ancestor.

  3. It must be both homologous and analogous to some feature in an ancestor.

  4. It need be neither homologous nor analogous to some feature in an ancestor.

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TLS Online TPP Program

#Question id: 19952

#XL - P Chemistry

The size of the nucleus is approximately
TLS Online TPP Program

#Question id: 19953

#XL - P Chemistry

The line spectrum ot two elements is not identical because .
TLS Online TPP Program

#Question id: 19965

#XL - P Chemistry

Bohr’s atomic model can explain the spectrum of
TLS Online TPP Program

#Question id: 19966

#XL - P Chemistry

The electronic configuration of a dipositive ion M+2 is 2, 8, 14 and its mass number is 56. The number of neutrons present is
TLS Online TPP Program

#Question id: 19967

#XL - P Chemistry

An atom has 2 K, 8 L, 11 M, 2 N electrons, the total number of s-electrons will be
TLS Online TPP Program

#Question id: 19968

#XL - P Chemistry

In an atom with 2K, 8L, 11M and 2N electrons the number of electrons with m= 0 ; s = + ½ are