Net charge on electyric dipole =+q−q=0 Hence, according to Gauss's law, Electric flux, φ=‌
q‌net ‌
ε0
=‌
0
ε0
=0 Electric field due to electric dipole is non-zero and varies at point to point. Hence, statement I is true. Electric field due to charged solid sphere at a distance r from centre. E=‌
1
4πε0
⋅‌
Qr
R3
‌‌[
‌ when ‌r<R
R→‌ radius ‌
] which is non-zero. Hence, statement II is false. Hence, option (b) is the correct.