1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Calcium is important in skeletal muscle contraction because it
A
detaches the myosin head from the actin filament
B
binds to troponin to remove the masking of active sites on actin for myosin
C
prevents the formation of bonds between the myosin cross bridges and the actin filament.
D
activates the myosin ATPase by binding to it
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The pivot joint between atlas and axis is a type of
A
cartilaginous joint
B
synovial joint
C
saddle joint
D
fibrous joint.
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.
A
X=12, Y=5

  
True ribs are attached dorsally
to vertebral column and sternum
on the two ends
B
X=24, Y=2

The true ribs are dorsally attached
to vertebral column but are free on
ventral side
C
X=24, Y=12


True ribs are dorsally attached
to vertebral column but are free on
ventral side
D
X=12, Y=7


True ribs are attached dorsally to
vertebral column and ventrally to
the sternum
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
A
Calcium
B
Magnesium
C
Sodium
D
Potassium
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12