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TLS Online TPP Program

#Question id: 10671

The principle of competitive exclusion states that

#XL - T Zoology
  1. Two species cannot coexist in the same habitat.
  2. Competition between two species always causes extinction or emigration of one species.

  3. Competition in a population promotes survival of the best adapted individuals.

  4. Two species that have exactly the same niche cannot coexist in a community

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TLS Online TPP Program

#Question id: 19504

#XL - P Chemistry

The vertical columns in the periodic table are termed as ———-.
TLS Online TPP Program

#Question id: 19505

#XL - P Chemistry

The element with atomic number 26 will be found in group :
TLS Online TPP Program

#Question id: 19506

#XL - P Chemistry

The elements with atomic numbers 9, 17, 35, 53, 85 are all ———-
TLS Online TPP Program

#Question id: 19507

#XL - P Chemistry

Which of the following electronic configurations of an atom has the lowest ionisation enthalpy?
TLS Online TPP Program

#Question id: 19508

#XL - P Chemistry

The Ionic radius of cation is always———
TLS Online TPP Program

#Question id: 19509

#XL - P Chemistry

Which of the following elements has the maximum negative electron gain enthalpy?