10th Class Chapter No.1
Biology MCQs Online Quiz
All MCQs Selected from Old Board Papers
Best MCQs for Board Examination
Total MCQs ( in this Quiz ) = 50
66. The chest wall is made up of
A. 12 pairs of ribs and rib muscles
B. 15 pairs of ribs and rib muscles
C. 18 pairs of ribs and rib muscles
D. 20 pairs of ribs and rib muscles
Answer:
A. 12 pairs of ribs and rib muscles
67. Rib muscles are known as
A. inter-coastal muscles
B. cartilage muscles
C. fibrous muscles
D. elasic muscles
Answer:
A. inter-coastal muscles
68. Which statement is correct about diaphragm?
A. a thin structure present above the lungs
B. a thick structure present between the ribs
C. a thick bony structure present in the lungs
D. a thick muscular structure present below the lungs
Answer:
D. a thick muscular structure present below the lungs
69. The left lung is slightly
A. smaller and has two lobes
B. bigger and has four lobes
C. smaller and has five lobe
D. smaller and has six lobes
Answer:
A. smaller and has two lobes
70. The right lung is:
A. bigger with three lobes
B. bigger with four lobes
C. bigger with five lobes
D. bigger with six lobes
Answer:
A. bigger with three lobes
