1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Among the following characters, which one was not considered by Mendel in his experiments on pea?
A
Stem-Tall or dwarf
B
Pod-Inflated or constricted
C
Trichomes-Glandular or non-glandular
D
Seed-Green or yellow
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Which one is the wrong statement ?
A
The uncertainty principle is

$$\Delta E \times \Delta t \ge {h \over {4\pi }}$$
B
Half filled and fully filled orbitals have greater stability due to greater exchange energy, greater symmetry and more balanced arrangement.
C
The energy of 2s-orbital is less than the energy of 2p-orbital in case of hydrogen like atoms.
D
de-Broglie's wavelength is given by

$$\lambda = {h \over {mv}}$$, where m = mass of the particle,

v $$=$$ group velocity of the particle.
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration ?
A
Carbon family, [Rn] 5f14 6d10 7s2 7p2
B
Oxygen family, [Rn] 5f14 6d10 7s2 7p4
C
Nitrogen family, [Rn] 5f14 6d10 7s2 7p6
D
Halogen family, [Rn] 5f14 6d10 7s2 7p5
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The species, having bond angles of 120o is
A
ClF3
B
NCl3
C
BCl3
D
PH3
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