Deficiency of vitamin C will cause:__________?
B. Architis
C. Scurvy
D. Night-blindness
Joint between two parietal bones, which is infact immovable one is an example of_________?
A. Fibrous joints.
B. Cartilaginous joints.
C. Synovial joints.
D. None of these
More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?
A. 5
B. 90
C. 15
D. 10
The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________?
A. Ovule
B. Seed
C. Fruit
D. Embroyo sac
Which of the following occurs in anaerobic respiration but not in aerobic respiration?
A. Release of CO2
B. Reduction of NAD
C. Formation of ATP
D. Production of ethanol from acetaldehyde
A. mesentron
B. crop
C. gizzard
D. intestine
In most birds air sacs are ____________ in number?
A. 10
B. 3
C. 4
D. 9