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51.

Which of the following statement is correct?

A.	In free flooding, the field is divided into a number of small sized plots which are pratically level.	B.	In border strip method, the strips are separated by low levels.
C.	In furrow irrigation, the water is admitted between the rows of plants in the field.	D.	all of the above

52.

Sprinklar irrigation is adopted for

A.	level	B.	uneven
C.	hilly

53.

The method of irrigation used for orchards is

A.	free flooding	B.	border flooding
C.	check flooding	D.	basin flooding

54.

The hydrology is a science which deals with the

A.	occurrence of water on the earth	B.	distribution of water on the earth
C.	movement of water on the earth	D.	all of these

55.

The knowledge of hydrology is necessary in civil engineering for

A.	designing and construction of irrigation structures	B.	designing and construction of bridges and culverts
C.	flood control works	D.	all of these

56.

The hydrology helps in

A.	predicting maximum discharge	B.	deciding capacity of reservoir
C.	fore casting flood	D.	all of these

57.

The science which deals with the physical features and conditions of water on the earth surface is called

A.	hydrometry	B.	hydrography
C.	hydrosphere	D.	hydraulics

58.

The science which deals with the measurement of water is called hydrometry.

True

False

59.

The earth's water circulatory system, is known as

A.	water cycle	B.	hydrologic cycle
C.	precipitation cycle	D.	all of these

60.

The fall of moisture from the atmosphere to the earth surface in any form, is called

A.	evaporation	B.	transpiration
C.	precipitation	D.	none of these