Online NUMS Preparation

Which vitamin deficiency causes rickets?
A) Vitamin A
B) Vitamin D
C) Vitamin C
D) Vitamin K

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Cellulose is the major component of
A. Primary Wall
B. Secondary wall
C. Middle lamella
D. all of the above

Movement of the material across the cell membrane which does not requiring the expenditure of metabolic energy is called
A. Active transport
B. Passive transport
C. Co-transport
D. Counter-transport

Percentage of proteins in the cell membrane is
A. 20-40%
B. 40-50%
C. 60-80%
D. 80-100%

Resolution power of a compound microscope is
A. 2.0 x m
B. 2-4 A
C. 24 x m
D. 24 A

Who coined the term CELL?
A. Schwann
B. Schleiden
C. Robert Hook
D. Both a and b

Moving from outward to inward direction whats comes after tunica media in structure of arteries
A. Tunica externa
B. Serosa
C. Elastic
D. Tunica intima