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TLS Online TPP Program

#Question id: 35135

Which of the following statements is/are correct about point mutations ? 

#XL - Q Biochemistry
  1. Transition and Transversion both are a type of a point mutation.
  2. Treatment of DNA with nitrous acid cause point mutation.
  3. Cytosine is  converted to uracil is an example of point mutation.
  4. Point mutation is a type of induced mutation.
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TLS Online TPP Program

#Question id: 20230

#XL - P Chemistry

Molecular shaper of SF4 , CF4, XeF4 are
TLS Online TPP Program

#Question id: 20231

#XL - P Chemistry

Which of the following has the regular tetrahedral structure ?
TLS Online TPP Program

#Question id: 20232

#XL - P Chemistry

In OF2, number of bond pairs and lone pairs of electrons are respectively
TLS Online TPP Program

#Question id: 20233

#XL - P Chemistry

In O-2  , O2 ,  O2-2  molecular species the total number of antibonding electrons respectively are
TLS Online TPP Program

#Question id: 20234

#XL - P Chemistry

Match the following and choose the correct Answer

Column - IColumn -II
(i) sp3d2(a) Ni[(CN)4]2-
(ii) sp3d(b) SnCl2
(iii) dsp2(c) ICl4-
(iv) sp2(d) TeCl4
TLS Online TPP Program

#Question id: 20235

#XL - P Chemistry

Among the following compounds, the one that is polar and has the central atom with sp2 hyridisation is