NCERT Solutions for Class 11 Biology Chapter 20 Locomotion and Movement
Important Board Questions
Locomotion and Movement
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Question : 10
Fill in the blank spaces: (a) All mammals (except a few) have __________ cervical vertebra. (b) The number of phalanges in each limb of human is __________ (c) Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________. (d) In a muscle fibre Ca++ is stored in __________ (e) __________ and __________ pairs of ribs are called floating ribs. (f) The human cranium is made of __________ bones.
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(a) All mammals (except a few) have seven cervical vertebra.
(b) The number of phalanges in each limb of a human is 14.
(c) Thin filament of myofibril contains 2 ‘F’ actins and two other proteins, namely troponin and tropomyosin.
(d) In a muscle fibre, Ca++ is stored in the sarcoplasmic reticulum.
(e) 11th and 12th pairs of ribs are called floating ribs.
(f) The human cranium is made up of eight bones.