Genetics & Skeletal System MCQ Quiz – Part 5
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This Genetics & Skeletal System MCQ Quiz helps aspirants revise important concepts related to heredity, genes, and the structure and functions of the human skeletal system, which are frequently asked in competitive exams. Regular practice of these MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
GK Series – Biology – Genetics & skeletal System MCQ Quiz |
|
| Subject | Biology |
| Chapter | Genetics & skeletal System |
| Part | 5 |
| Questions | 25 |
Who Should Attempt This Genetics & skeletal System MCQ Quiz?
This Genetics & Skeletal System MCQ Quiz is useful for aspirants preparing for SSC, Railways, Banking, Defence, and other government job exams, where basic biology questions are commonly asked in the General Knowledge section.
Topics Covered in This Genetics & skeletal System MCQ Quiz
This Genetics & Skeletal System MCQ Quiz is useful for aspirants preparing for SSC, Railways, Banking, Defence, and other government job exams, where basic biology questions are commonly asked in the General Knowledge section.
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Question 1 of 25
1. Question
Joints are
Correct
➤ Joints are the meeting points of two or more bones.
➤ They allow movement and flexibility.Incorrect
➤ Joints are the meeting points of two or more bones.
➤ They allow movement and flexibility. -
Question 2 of 25
2. Question
Synovial joints are
Correct
➤ Synovial joints allow free movement.
➤ Example: knee, shoulder.Incorrect
➤ Synovial joints allow free movement.
➤ Example: knee, shoulder. -
Question 3 of 25
3. Question
Fibrous joints are
Correct
➤ Fibrous joints are immovable joints.
➤ Example: skull sutures.Incorrect
➤ Fibrous joints are immovable joints.
➤ Example: skull sutures. -
Question 4 of 25
4. Question
Cartilaginous joints are
Correct
➤ Cartilaginous joints allow slight movement.
➤ Example: between vertebrae.Incorrect
➤ Cartilaginous joints allow slight movement.
➤ Example: between vertebrae. -
Question 5 of 25
5. Question
Ball and socket joint allows
Correct
➤ Ball & socket joints allow 360° movement.
➤ Example: shoulder, hip.Incorrect
➤ Ball & socket joints allow 360° movement.
➤ Example: shoulder, hip. -
Question 6 of 25
6. Question
Hinge joint allows
Correct
➤ Hinge joints allow movement like a door (180°).
➤ Example: elbow, knee.Incorrect
➤ Hinge joints allow movement like a door (180°).
➤ Example: elbow, knee. -
Question 7 of 25
7. Question
Pivot joint allows
Correct
➤ Pivot joints allow rotational movement.
➤ Example: neck (atlas-axis).Incorrect
➤ Pivot joints allow rotational movement.
➤ Example: neck (atlas-axis). -
Question 8 of 25
8. Question
Gliding joint allows
Correct
➤ Gliding joints allow sliding movements.
➤ Example: wrist, ankle.Incorrect
➤ Gliding joints allow sliding movements.
➤ Example: wrist, ankle. -
Question 9 of 25
9. Question
Saddle joint allows
Correct
➤ Saddle joints allow movement in two directions.
➤ Example: thumb joint.Incorrect
➤ Saddle joints allow movement in two directions.
➤ Example: thumb joint. -
Question 10 of 25
10. Question
Condyloid joint allows
Correct
➤ Condyloid joints allow movement in two planes.
➤ Example: wrist joint.Incorrect
➤ Condyloid joints allow movement in two planes.
➤ Example: wrist joint. -
Question 11 of 25
11. Question
Total number of permanent teeth in adult human is
Correct
➤ Adults have 32 permanent teeth.
➤ Includes wisdom teeth.Incorrect
➤ Adults have 32 permanent teeth.
➤ Includes wisdom teeth. -
Question 12 of 25
12. Question
Enamel is
Correct
➤ Enamel is the hardest substance in human body.
➤ Made of calcium phosphate.Incorrect
➤ Enamel is the hardest substance in human body.
➤ Made of calcium phosphate. -
Question 13 of 25
13. Question
Incisors are used for
Correct
➤ Incisors help in cutting and biting food.
➤ Located at front of mouth.Incorrect
➤ Incisors help in cutting and biting food.
➤ Located at front of mouth. -
Question 14 of 25
14. Question
Canines are used for
Correct
➤ Canines help in tearing food.
➤ Sharp and pointed teeth.Incorrect
➤ Canines help in tearing food.
➤ Sharp and pointed teeth. -
Question 15 of 25
15. Question
Premolars are used for
Correct
➤ Premolars help in grinding food.
➤ Located between canines and molars.Incorrect
➤ Premolars help in grinding food.
➤ Located between canines and molars. -
Question 16 of 25
16. Question
Molars are used for
Correct
➤ Molars grind and crush food.
➤ Largest teeth.Incorrect
➤ Molars grind and crush food.
➤ Largest teeth. -
Question 17 of 25
17. Question
Homologous organs are
Correct
➤ Homologous organs have same structure but different function.
➤ Example: human hand and whale flipper.Incorrect
➤ Homologous organs have same structure but different function.
➤ Example: human hand and whale flipper. -
Question 18 of 25
18. Question
Analogous organs are
Correct
➤ Analogous organs have different structure but same function.
➤ Example: bird wing and insect wing.Incorrect
➤ Analogous organs have different structure but same function.
➤ Example: bird wing and insect wing. -
Question 19 of 25
19. Question
Example of homologous organ is
Correct
➤ Human hand and bat wing have same origin.
➤ But different functions.Incorrect
➤ Human hand and bat wing have same origin.
➤ But different functions. -
Question 20 of 25
20. Question
Example of analogous organ is
Correct
➤ Bat wing and bird wing perform same function.
➤ But have different structure.Incorrect
➤ Bat wing and bird wing perform same function.
➤ But have different structure. -
Question 21 of 25
21. Question
Assertion (A): Dominant traits appear in F₁ generation.
Reason (R): Recessive traits are masked by dominant alleles.Correct
➤ Dominant traits appear in F₁ generation.
➤ Recessive traits are masked by dominant alleles.Incorrect
➤ Dominant traits appear in F₁ generation.
➤ Recessive traits are masked by dominant alleles. -
Question 22 of 25
22. Question
Assertion (A): Humans have 23 pairs of chromosomes.
Reason (R): All chromosomes are autosomes.Correct
➤ Humans have 23 pairs of chromosomes.
➤ But 1 pair is sex chromosome, not autosome.Incorrect
➤ Humans have 23 pairs of chromosomes.
➤ But 1 pair is sex chromosome, not autosome. -
Question 23 of 25
23. Question
Assertion (A): Ball and socket joint allows movement in all directions.
Reason (R): It has a spherical head fitting into a cavity.Correct
➤ Ball & socket allows 360° movement.
➤ Due to spherical structure fitting into socket.Incorrect
➤ Ball & socket allows 360° movement.
➤ Due to spherical structure fitting into socket. -
Question 24 of 25
24. Question
Assertion (A): Marasmus is caused by protein deficiency only.
Reason (R): It leads to severe wasting.Correct
➤ Marasmus is due to protein + calorie deficiency.
➤ It causes severe wasting.Incorrect
➤ Marasmus is due to protein + calorie deficiency.
➤ It causes severe wasting. -
Question 25 of 25
25. Question
Match the following:
Correct
➤ Femur = thigh bone.
➤ Humerus = arm bone.
➤ Tibia = leg bone.Incorrect
➤ Femur = thigh bone.
➤ Humerus = arm bone.
➤ Tibia = leg bone.