Major contribution in inhalation by:
A. Diaphragm
B. Intercoastal muscles
C. Sternum
D. None of these
Presence of cartilaginous rings in respiratory tract sct as:
A. Support
B. Keep passage open
C. Prevent collapsing
D. All of the above
The distribution of air into lungs is controlled by:
A. Bronchi
B. Bronchioles
C. Air sacs
D. All of these
How many districts are there in Afghanistan?
A. 250
B. 280
C. 350
D. 421
Who was the 3rd Governor-General of Pakistan?
A. Khawaja Nazimuddin
B. Liaqat Ali khan
C. Ghulam Muhammad
D. Iskander Mirza (more…)
Who was the 2nd Governor General of Pakistan?
A. Khawaja Nazimuddin
B. Liaqat Ali khan
C. Ghulam Muhammad
D. Iskander Mirza (more…)
Which Vitamin cannot be stored by the body?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D (more…)
Study of flags is called _________?
A. Vexillology
B. Zoosology
C. Spermology
D. None of these