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TLS Online TPP Program

#Question id: 4947

The first genes on Earth were probably

#XL - T Zoology

  1. DNA produced by reverse transcriptase from abiotically produced RNA.

  2. DNA molecules whose information was transcribed to RNA and later translated in polypeptides.

  3. auto-catalytic RNA molecules.

  4. RNA produced by autocatalytic, proteinaceous enzymes.

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TLS Online TPP Program

#Question id: 20216

#XL - P Chemistry

Which of the following does not possesses bond order as CO ?
TLS Online TPP Program

#Question id: 20217

#XL - P Chemistry

In which of the following molecule double bond possesses two bispace bond ?
TLS Online TPP Program

#Question id: 20218

#XL - P Chemistry

Mention AB4F2 type molecule.
TLS Online TPP Program

#Question id: 20219

#XL - P Chemistry

Which of the following is the correct order for lone pair and bonding pair electrons ? Lp = Lone pair and Bp = Bonding pair
TLS Online TPP Program

#Question id: 20220

#XL - P Chemistry

Which theory is useful to determine geometrical structure of molecules ?
TLS Online TPP Program

#Question id: 20221

#XL - P Chemistry

The one outermost electron present in Na element at