Genetics & Skeletal System MCQ Quiz – Part 6
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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 | 6 |
| 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
Match the following:
Correct
➤ Vitamin A → night blindness.
➤ Vitamin C → scurvy.
➤ Vitamin D → rickets.Incorrect
➤ Vitamin A → night blindness.
➤ Vitamin C → scurvy.
➤ Vitamin D → rickets. -
Question 2 of 25
2. Question
Which of the following pair is incorrect?
Correct
➤ Canines are used for tearing, not grinding.
➤ Grinding is done by premolars & molars.Incorrect
➤ Canines are used for tearing, not grinding.
➤ Grinding is done by premolars & molars. -
Question 3 of 25
3. Question
Which of the following pair is correct?
Correct
➤ Atlas is first cervical vertebra.
➤ Supports head.Incorrect
➤ Atlas is first cervical vertebra.
➤ Supports head. -
Question 4 of 25
4. Question
Which of the following is NOT a joint type?
Correct
➤ Muscular is not a joint type.
➤ Joints are based on bone connections.Incorrect
➤ Muscular is not a joint type.
➤ Joints are based on bone connections. -
Question 5 of 25
5. Question
Which of the following is correct about homologous organs?
Correct
➤ Homologous organs share same structure.
➤ But perform different functions.Incorrect
➤ Homologous organs share same structure.
➤ But perform different functions. -
Question 6 of 25
6. Question
Which law explains the separation of alleles during gamete formation?
Correct
➤ Law of Segregation states alleles separate during gamete formation.
➤ Each gamete gets one allele.Incorrect
➤ Law of Segregation states alleles separate during gamete formation.
➤ Each gamete gets one allele. -
Question 7 of 25
7. Question
Which Mendelian law is based on dihybrid cross?
Correct
➤ Independent assortment is proved by dihybrid cross.
➤ Traits assort independently.Incorrect
➤ Independent assortment is proved by dihybrid cross.
➤ Traits assort independently. -
Question 8 of 25
8. Question
In a monohybrid cross, ratio 3:1 represents
Correct
➤ 3:1 is phenotypic ratio in F₂ generation.
➤ Shows dominant vs recessive traits.Incorrect
➤ 3:1 is phenotypic ratio in F₂ generation.
➤ Shows dominant vs recessive traits. -
Question 9 of 25
9. Question
Which chromosome determines male child?
Correct
➤ Y chromosome determines male child.
➤ Present only in male sperm.Incorrect
➤ Y chromosome determines male child.
➤ Present only in male sperm. -
Question 10 of 25
10. Question
Which of the following is a floating rib?
Correct
➤ 12th rib is a floating rib.
➤ Not attached to sternum.Incorrect
➤ 12th rib is a floating rib.
➤ Not attached to sternum. -
Question 11 of 25
11. Question
Which of the following is a hinge joint?
Correct
➤ Elbow is a hinge joint.
➤ Allows back and forth movement.Incorrect
➤ Elbow is a hinge joint.
➤ Allows back and forth movement. -
Question 12 of 25
12. Question
Which joint is present in neck?
Correct
➤ Neck joint is pivot joint.
➤ Allows rotation of head.Incorrect
➤ Neck joint is pivot joint.
➤ Allows rotation of head. -
Question 13 of 25
13. Question
Which bone protects brain?
Correct
➤ Skull protects brain.
➤ Part of axial skeleton.Incorrect
➤ Skull protects brain.
➤ Part of axial skeleton. -
Question 14 of 25
14. Question
Which bone is known as collar bone?
Correct
➤ Clavicle is collar bone.
➤ Connects shoulder to chest.Incorrect
➤ Clavicle is collar bone.
➤ Connects shoulder to chest. -
Question 15 of 25
15. Question
Which joint allows maximum movement?
Correct
➤ Synovial joints allow maximum movement.
➤ Example: shoulder, knee.Incorrect
➤ Synovial joints allow maximum movement.
➤ Example: shoulder, knee. -
Question 16 of 25
16. Question
Which of the following correctly represents genotype?
Correct
➤ Genotype represents genetic makeup (TT, Tt, tt).
➤ Determines phenotype.Incorrect
➤ Genotype represents genetic makeup (TT, Tt, tt).
➤ Determines phenotype. -
Question 17 of 25
17. Question
Which of the following correctly represents phenotype?
Correct
➤ Phenotype is observable characteristic.
➤ Example: Tall plant.Incorrect
➤ Phenotype is observable characteristic.
➤ Example: Tall plant. -
Question 18 of 25
18. Question
Which trait will appear in heterozygous condition?
Correct
➤ Dominant trait appears in heterozygous condition (Tt).
➤ Recessive remains hidden.Incorrect
➤ Dominant trait appears in heterozygous condition (Tt).
➤ Recessive remains hidden. -
Question 19 of 25
19. Question
Which of the following is an example of acquired trait?
Correct
➤ Acquired traits are developed during lifetime.
➤ Not inherited genetically.Incorrect
➤ Acquired traits are developed during lifetime.
➤ Not inherited genetically. -
Question 20 of 25
20. Question
Which structure connects bones to muscles?
Correct
➤ Tendons connect muscles to bones.
➤ Help in movement.Incorrect
➤ Tendons connect muscles to bones.
➤ Help in movement. -
Question 21 of 25
21. Question
Which structure connects bone to bone?
Correct
➤ Ligaments connect bone to bone.
➤ Provide stability to joints.Incorrect
➤ Ligaments connect bone to bone.
➤ Provide stability to joints. -
Question 22 of 25
22. Question
Which of the following is NOT part of axial skeleton?
Correct
➤ Humerus is part of appendicular skeleton.
➤ Axial includes skull, ribs, spine.Incorrect
➤ Humerus is part of appendicular skeleton.
➤ Axial includes skull, ribs, spine. -
Question 23 of 25
23. Question
Which of the following is part of appendicular skeleton?
Correct
➤ Femur is part of appendicular skeleton.
➤ Includes limbs.Incorrect
➤ Femur is part of appendicular skeleton.
➤ Includes limbs. -
Question 24 of 25
24. Question
Which bone forms lower jaw?
Correct
➤ Mandible forms lower jaw.
➤ Only movable skull bone.Incorrect
➤ Mandible forms lower jaw.
➤ Only movable skull bone. -
Question 25 of 25
25. Question
Which of the following is correct about alleles?
Correct
➤ Alleles are different forms of same gene.
➤ Control variations in traits.Incorrect
➤ Alleles are different forms of same gene.
➤ Control variations in traits.