Class 11 Chemistry Locomotion and Movement MCQs with Answers

Engaging with Class 11 Biology Locomotion and Movement MCQs with answers provides Sainik School aspirants a targeted approach to understanding crucial biological concepts. Tailored to the class 11 biology syllabus, these multiple-choice questions cover topics related to locomotion and movement, offering a comprehensive review for students preparing for Sainik School exams. The inclusion of clear answers facilitates effective self-assessment, allowing candidates to gauge their understanding and identify areas for improvement. Systematic practice of these MCQs not only reinforces knowledge but also enhances analytical and problem-solving skills, crucial for success in competitive entrance exams.

As students aim for admission to Sainik School, these MCQs serve as a valuable resource, aligning with the institution’s commitment to holistic education. Beyond exam readiness, they contribute to a broader understanding of biological principles, ensuring a well-rounded preparation for the challenges of both the entrance exams and future academic pursuits.

Q1. Which of the following is responsible for muscle contraction?

1. Ca channel.
2. Potassium channel.
3. Sodium channel.
4. Magnesium channel.

Q2. The lower jaw in mammals is made up of:

1. Mandible
2. Dentary
3. Maxilla
4. Angulars

Q3. Bones formed by ossification of a tendon is called.

1. Dermal bone.
2. Sesamoid bone.
3. Membrane bone.
4. Cartilage.

Q4. What happens in osteoporosis?

1. Decrease in progesterone.
2. Increase in progesterone.
3. Decrease in estrogen.
4. Both 2 and 3.

Q5. Which one of the following is showing the correct sequential order of vertebrae in the vertebral column of human
beings?

1. Cervical — lumbar — thoracic — sacral — coccygeal.
2. Cervical — thoracic — sacral — lumbar — coccygeal.
3. Cervical — sacral — thoracic — lumbar — coccygeal.
4. Cervical — thoracic — lumbar — sacral — coccygeal.

Q6. What is a hydrostatic skeleton largely composed of?

1. Bone.
2. Fluid.
3. Cartilage.
4. Connective tissue.

Q7. Total number of bones in the hind limb of man is:

1. 14
2. 30
3. 24
4. 21

Q8. Myofibrils are made up of:

1. All the above components.
2. Actin and tropomyosin.
3. Myosin and actin.
4. Myosin and troponin.

Q9. __ is used to capture prey in Hydra.

1. Cilia
2. Flagella
3. Tentacles
4. Forelimbs

Q10. Coris cycle operates in:

1. Cartilage.
2. Muscle.
3. Liver.
4. Liver and muscle.

Q11. The joint found between sternum and the ribs in humans is:

1. Angular joint.
2. Fibrous joint.
3. Cartilaginous joint.
4. Gliding joint.

Q12. Which cavity is formed by the fusion of coxal bones?

1. Glenoid cavity.
2. Acetabulum.
3. Acromion.
4. Scapula.

Q13. What is the type of movable joint present between the atlas and axis?

1. Pivot.
2. Saddle.
3. Hinge.
4. Gliding.

Q14. Which is a part of pectoral girdle?

1. Glenoid cavity.
2. Sternum.
3. Ilium.
4. Acetabulum.

Q15. The contractile protein of skeletal muscle involving ATPase activity is:

1. Myosin
2. α-actinin
3. Tropomyosin
4. Troponin

Q16. The major function of the intervertebral disc is to:

1. String the vertebrae together.
2. Prevent injuries.
3. Absorb shock.
4. Prevent hyperextension.

Q17. What is sarcolemma?

1. Thin filaments of muscle.
2. Thick filaments of muscle.
3. Lining of muscle fibres.
4. Connective tissue.