​​Q10 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.

Answer:

(a) seven

(b) 14

(c) troponin and tropomyosin

(d)​ sarcoplasmic reticulum

(e) 11th & 12th

(f) eight



NCERT Solutions for Class 11 Biology Chapter 17 Locomotion and Movement

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NCERT Solutions for Class 11 Biology Chapter 17: Locomotion and Movement

NCERT Solutions for class 11 Chapter 17 Locomotion and Movement: The chapter on Locomotion and Movement is important for students approaching the home exams. This article introduces NCERT solutions designed to help students explain the concepts of further learning and how to write to get good grades on exams. The solutions are presented in very simple language for ease of understanding....

Q1: Draw the Diagram of a Sarcomere of Skeletal Muscle Showing Different Regions.

Answer:...

Q2: Define the Sliding Filament Theory of Muscle Contraction​.

Answer:...

Q3: Describe the Important Steps in Muscle Contraction.

Answer:...

Q4: Write True or False. If false, Change the Statement so that It Is True.

(a) Actin is present in the thin filaments (b) H-zone of striated muscle fiber represents both thick and thin filaments. (c) Human skeleton has 206 bones. (d) There are 11 pairs of ribs in man. (e) Sternum is present on the ventral side of the body....

Q5: Write the Difference Between :

(a) Actin and Myosin (b) Red and White muscles (c) Pectoral and Pelvic girdle...

Q6: Match Column I with Column II:

Column I Column II (a) Smooth muscle (i) Myoglobin (b) Tropomyosin (ii) Thin filament (c) Red muscle (iii) Sutures (d) Skull (iv) Involuntary...

Q7: What Are the Different Types of Movements Exhibited By the Cells of Human Body?

Answer:...

Q8: How Do You Distinguish Between a Skeletal Muscle and a Cardiac Muscle?

Answer:...

​Q9: Name the Type of Joint Between the Following:

(a) atlas/axis (b) carpal/metacarpal of thumb (c) between phalanges (d) femur/acetabulum (e) between cranial (f) between pubic bones in the pelvic girdle...

​​Q10: 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....