Science True-False [Bio-1M]

False.
Explanation:
Watershed management is a term used to describe the process of implementing land use practices and water management practices to protect and improve the quality of the water and other natural resources within a watershed by managing the use of those land and water resources in a comprehensive manner.

True.

Explanation:

Fertilizer contains nutrients such as nitrogen and phosphorus. Excess amount of nutrients leads to algal growth. These algae uses oxygen in water. So this is harmful for aquatic life.

True.

Explanation:

Rhizobium, Azotobacter, Azospirillum and blue green algae(BGA) have been traditionally used as Biofertilizers. Rhizobiuminoculant is used for leguminous crops such as pulses. Azotobacter can be used with crops like wheat, maize, mustard, cotton, potato and other vegetable crops.