Read the given paragraph where few words have been italicised.

Irrigation ensures that the crops get water whenever they need it during growing season. Tube wells are surface water source of irrigation. They get water from porous soil strata. Canal system of irrigation draws water from rivers and is also related to generation of hydroelectricity. River lift system is advantageous in those areas where river water is easily available. Both canals and river lifts are groundwater sources of irrigation.
Select the correct option regarding this.

Given figures represent three different castes of a colony of honeybees.

Select the incorrect statement regarding these:

Read the given paragraph where few words have been italicised.

Irrigation ensures that the crops get water whenever they need it during growing season. Tube wells are surface water source of irrigation. They get water from porous soil strata. Canal system of irrigation draws water from rivers and is also related to generation of hydroelectricity. River lift system is advantageous in those areas where river water is easily available. Both canals and river lifts are groundwater sources of irrigation.
Select the correct option regarding this.

Read the given passage and answer the following question.
Three different cropping patterns, viz. X, Y and Z are applied to get the maximum benefits from a crop field. In X, two or more crops are grown together in the same field in different rows or strips. In Y also, two or more crops are grown together but not in definite rows. In Z, different crops are grown on a piece of land in a pre-planned succession. These cropping patterns maintain soil fertility and crop yield.

Which of the following options is correct regarding criteria of crop selection for these cropping patterns?