1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which of the following statements regarding cilia is not correct ?
A
Microtubules of cilia are composed of tubulin
B
The organized beating of cilia is controlled by fluxes of Ca2+ across the membrane
C
Cilia are hair-like cellular appendages
D
Cilin contain an outer ring of nine doublet microtubules surrounding two single microtubules
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A major breakthrough in the studies of cells came with the development of electron microscope. This is because
A
Electron beam can pass through thick materials, whereas light microscopy requires thin sections
B
The resolution power of the electron microscope is much higher than that of the light microscope
C
The electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons
D
The resolving power of the electron microscope is 200-350 nm as compared to 0.1-0.2 nm for the light microscope
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The orientation of an atomic orbital is governed by
A
principal quantum number
B
azimuthal quantum number
C
spin quantum number
D
magnetic quantum number.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Given : The mass of electron is 9.11 $$ \times $$ 10$$-$$31 kg, Planck constant is 6.626 $$ \times $$ 10$$-$$34 J s, the uncertainty involved in the measurement of velocity within a distance of 0.1 $$\mathop A\limits^ \circ $$ is
A
5.79 $$ \times $$ 105 m s$$-$$1
B
5.79 $$ \times $$ 106 m s$$-$$1
C
5.79 $$ \times $$ 107 m s$$-$$1
D
5.79 $$ \times $$ 108 m s$$-$$1
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12