BioNotesThe Circulatory System - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of the human circulatory system, including case studies and assertion-reasoning formats.
Food and Health - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of nutrition, balanced diets, and deficiency diseases, including case studies and assertion-reasoning formats.
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Online
Practice questions testing deep understanding of the human skeletal system, joints, and bones, including case studies and assertion-reasoning formats.
Test your knowledge of the skeletal system with these advanced, application-based questions.
Read the following scenario and answer the questions: Scenario: During a gymnastics class, Priya tried to perform a split and overstretched her leg. She felt a sharp pain in her knee. The doctor told her that while her bones were fine, the strong elastic tissue connecting her thigh bone to her shin bone had been strained.
Q1. Identify the specific type of connective tissue the doctor is referring to. Explain its primary function in the skeletal system.
Q2. Priya wondered why she couldn't bend her knee backwards like she can bend her arm at the shoulder. Explain the difference between the joint in the knee and the joint in the shoulder.
Q3. Consider a diagram of the human skull. It is made of multiple bones that are fused together. Why are the joints in the skull (except the lower jaw) immovable? What biological advantage does this provide?
Q4. X-rays of young children show that their long bones (like the femur) have areas of cartilage near the ends that do not show up as solid bone. Why is this cartilage present, and what happens to it as the child grows into an adult?
Directions: For the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) A is false but R is true.
Q5. Assertion (A): The rib cage protects the lungs and the heart from mechanical injuries. Reason (R): The rib cage is made of 12 pairs of curved bones that form a flexible but strong bony box.
Q6. Assertion (A): Without the skeletal system, human beings would still be able to stand upright using their muscular system. Reason (R): Muscles are attached to bones via tendons to facilitate movement.
Q7. Assertion (A): Bone marrow is found in the hollow centers of long bones. Reason (R): Bone marrow is responsible for producing new blood cells.
Q8. Birds have hollow bones (pneumatic bones) filled with air cavities, while humans have dense, solid bones. Analyze how this difference in skeletal structure is an adaptation to their respective environments and lifestyles.
The Circulatory System - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of the human circulatory system, including case studies and assertion-reasoning formats.
Food and Health - Competency Based & Assertion-Reasoning Questions
Practice questions testing deep understanding of nutrition, balanced diets, and deficiency diseases, including case studies and assertion-reasoning formats.