MCQ
Most commonly used green manure plants are:
- ABerseem, cotton and sunn hemp
- ✓Lentil, sunn hemp and berseem
- CSunflower, cotton and sugarcane
- DCowpea, cluster bean and teak leaves
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Reason : This happens because of the presence of $hCG$ in the blood of females.
Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals.