CBSE
Multiple Choice QuestionsDuring muscle contraction
size of 'A' bands remain same
size of 'H' zone becomes smaller
size of 'I' band decreases
diameter of fibre increases
Assertion: Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements.
Reason: There are three principal types of protein filaments - microfilaments, microtubules and intermediate filaments, which constitute the cytoskeleton.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Metha Jahar which is useful in rheumatism is obtained from
Aconitum napellus
Colchicum
Exogonium
Licorice
Which one of the following is a sesamoid bone?
Pelvis
Patella
Pterygoid
Pectoral girdle
Collagen is a
phosphoprotein
globulin
derived protein
scleroprotein
Short Answer TypeState two differences between red and white muscles.
Multiple Choice QuestionsThe main difference between white and yellow fibres is of
protein
colour of fibres
both (a) and (b)
none of the above
Osteomalacia is a disease caused by the deficiency of
calciferol
tocopherol
retinol
phylloquinone
Which ribs show 'bucket-handle' type of movement?
Rib no. 1-2
Rib no. 3-5
Rib no. 6-10
Rib no. 11-12
Ball and socket joints can be seen in
wrist
fingers
neck
shoulders
