The basic cause of the ulcer is the destruction of the gut by…………
a) HCl
b) cigarette smoking
c) H.pylori infection
d) all of these
Ulcer is treated with……….medicines.
a) alkaline
b) acidic
c) neutral
d) all of these
The prevention of ulcer includes…………
a) avoiding spicy and acidic food
b) avoiding smoking
c) taking more water
d) both a and b
Exercise:
The deficiency
of which macronutrient cause chlorosis in plants?
a) Carbon
b) Oxygen
c) Magnesium
d) Calcium
All the following are elements that plants need in very small amounts (micronutrients) except
a) Hydrogen
b) Iron
c) Chlorine
d) Copper
