MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 20 Locomotion and Movement with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Locomotion and Movement Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Q1. Which one of the following is the correct pairing of a body part and the kind of muscle tissue which moves it?

(a) Biceps of upper arm – Smooth muscle fibres
(b) Abdominal wall – Skeletal muscle
(c) Heart wall – Involuntary unstriated muscle
(d) Iris – Involuntary smooth muscle

(d) Iris – Involuntary smooth muscle

Q2. A functional G-Actin molecule in its free state is bound to :

(a) Sodium ion and ATP
(b) Mangnese ion and ATP
(c) Magnesium ion and ATP
(d) None of the above

Q3. Study of muscles is called :

(a) Musclogy
(b) Mycology
(c) Myology
(d) Sarcology

Q4. Long bones function in:

(a) support
(b) support, erythrocyte and leucocyte synthesis
(c) support and erythrocyte synthesis
(d) erythrocyte formation

(b) support, erythrocyte and leucocyte synthesis

Q5. Mitochondria in cardiac muscles:

(a) More than other muscles fibres
(b) Less than other muscles fibres
(c) Equal than other muscles fibres
(d) None of the above

(a) More than other muscles fibres

Q6. Myosin filament appear dark under microscope due to :-

(a) Dark colour
(b) Melanin colour
(c) Black colour
(d) Double-refractive index

(d) Double-refractive index

Q7. Which one of the following membranes secretes a watery fluid that lubricates and cushions the joint?

(a) Tendons
(b) Synovial membrane
(c) Ligaments
(d) Cartilage

(b) Synovial membrane

Q8. Actin filaments are found in all eukaryotic cells but reportedly absent in :

(a) Fish sperms
(b) Both (a) & (c)
(c) Nematode sperms
(d) Human sperms

Q9. One of following has contractile properties:

(a) Actin
(b) Coronin
(c) Troponin
(d) None of the above

(a) Actin

Q10. The membranous areas between the cranial bones of the foetal skull are called

(a) Sutures
(b) Areolas
(c) Foramina
(d) Fontanelle

(d) Fontanelle

Q11. Select the correct statement regarding the specific disorder of muscular or skeletal system:

(a) Muscular dystrophy – agerelated shortening or muscles.
(b) Osteoporosis – decrease in bone mass and higher chance of fractures with advancing age.
(c) Myastheniagrav is – Auto immune disorder which inhibits sliding of myosin filaments
(d) Gout – inflammation of joints due to extra deposition of calcium.

(b) Osteoporosis – decrease in bone mass and higher chance of fractures with advancing age.

Q12. The contractile unit of muscle is a part of myofibril between

(a) A band and I band
(b) Z line and Z line
(c) Z line and A band
(d) Z line and I band

(b) Z line and Z line

Q13. A meromyosin molecule doesn’t contain :

(a) arm
(b) trunk
(c) tail
(d) head

(b) trunk

Q14. What is the type of movable joint present between the atlas and axis?

(a) Gliding
(b) Saddle
(c) Hinge
(d) Pivot

(d) Pivot

Q15. Number of cervical vertebrae in camel is:

(a) more than that of rabbit
(b) less than that of rabbit
(c) same as that of whale
(d) more than that of horse

Q16. Myoglobin was the first protein to have its three-dimensional structure revealed. Ravi was diagnosed with myoglobin in his bloodstream. This had occurred due to :

(a) myasthenia gravis
(b) muscle injury
(c) conversion of Hb into Mb
(d) Arthritis

(b) muscle injury

Q17. Hyoid is a

(a) cavity
(b) cartilage
(c) bone
(d) fluid

Q18. __ connect the ends of bones together.

(a) Ligaments
(b) Tendons
(c) Muscles
(d) cartilages

(a) Ligaments

Q19. _ is used to capture prey in Hydra.

(a) Cilia
(b) Flagella
(c) Tentacles
(d) Forelimbs

Q20. Ilium, ischium, and pubis join at the __ to form coxal bone.

(a) Acetabulum
(b) Ilium
(c) Sternum
(d) Glenoid cavity

(a) Acetabulum

Q21. Rigor mortis is:

(a) Contraction of muscles after death
(b) Contraction of muscles before death
(c) Shivering of muscles
(d) None of the above

(a) Contraction of muscles after death

Q22. Myo fibres also known as:

(a) Sarco axis
(b) Sarco mysium
(c) Sarcostylets
(d) None of the above

MCQ Questions for Class 11 Biology with Answers Chapter Wise

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