A piezometer is a device which measures the pressure of groundwater at a specific point so as to measure the water table in ground-water.

Correct Option: C

A piezometer is a device which measures the pressure of groundwater at a specific point so as to measure the water table in ground-water.

A Stevenson screen or instrument shelter is a kind of protective enclose used to shield meteorological instructions against precipitation and direct heat radiation from outer sources. Its purpose is to provide a standardized environment in which to measure temperature, humidity, dew-point and atmospheric pressure by their respective instruments.

Correct Option: C

A Stevenson screen or instrument shelter is a kind of protective enclose used to shield meteorological instructions against precipitation and direct heat radiation from outer sources. Its purpose is to provide a standardized environment in which to measure temperature, humidity, dew-point and atmospheric pressure by their respective instruments.

Potato was first cultivated in the modern day Peru, its place of origin is Southern America.

Correct Option: B

Potato was first cultivated in the modern day Peru, its place of origin is Southern America.

Relay cropping is growing four crops on the same land in a year in such a manner that the following crop is sown before the harvest of preceding crop.

Correct Option: C

Relay cropping is growing four crops on the same land in a year in such a manner that the following crop is sown before the harvest of preceding crop.

The domestic goat is Copra aegagrus hircus. The goat is a member of the family Bovidae and is closely related to the sheep as both are in the goat-antelope subfamily Caprinae. The genus of Sheep is Ovis.

Correct Option: B

The domestic goat is Copra aegagrus hircus. The goat is a member of the family Bovidae and is closely related to the sheep as both are in the goat-antelope subfamily Caprinae. The genus of Sheep is Ovis.