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TLS Online TPP Program

#Question id: 8703

In a comparison of birds and mammals, having four limbs is ________.

#XL - T Zoology
  1. a shared ancestral character
  2. a shared derived character
  3. a character useful for distinguishing birds from mammals
  4. an example of analogy rather than homology
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TLS Online TPP Program

#Question id: 20178

#XL - P Chemistry

The de-Broglie wavelength associated with ball of mass 200 g and moving at a speed of 5 m hour–1 is of the order of (h = 6·625 x 10–34 Js)
TLS Online TPP Program

#Question id: 20179

#XL - P Chemistry

The third line of the Balmer series. in the emission spectrum of the hydrogen atom, is due to the transition from the
TLS Online TPP Program

#Question id: 20180

#XL - P Chemistry

The highest number of unpaired electrons are w present in
TLS Online TPP Program

#Question id: 20181

#XL - P Chemistry

Rutherford’s atomic model suggests the existence
TLS Online TPP Program

#Question id: 20182

#XL - P Chemistry

Which is not true with respect to cathode rays?
TLS Online TPP Program

#Question id: 20183

#XL - P Chemistry

A element M has an atomic mass 19 and atomic number 9. Its ion is represented by