541. A technique in which a volatile substance (i.e which evaporates easily) is separated from a non-volatile substance is called:

A.Filtration
B.Sedimentation
C.Distillation  *
D.Coagulation

542. Mirage is seen in a desert due to which phenomenon?

A.Reflection
B.Total internal reflection *
C.Refraction
D.Diffraction

543. The part of transverse waves, where the particles of the medium are above the undisturbed positions Is called

A.Crest *
B.Trough
C.Wavelength
D.Amplitude

544. He lost the match ____ his rival.
(Choose the correct preposition)

A.For
B.To  *
C.Under
D.Across

545. She is as thin as a ____?
(Complete the idiomatic comparison)

A.Fire
B.Glove
C.rake *
D.Balloon

546. We missed our train because we were late (which type of sentence is this?)

A.Complex sentence *
B.Compound sentence
C.Simple sentence
D.Compound complex

547. When sea waves erode the base of the cliff, deep depressions are formed in the cliff, such depressions are called:

A.Sea cliff
B.Sea caves *
C.Sea bluff
D.Sea arches

548. A _____ is a Vertical bar graph with no space between the bars

A.Ogive
B.Ple-graph
C.Cumulative frequency polygon
D.Histogram *

549. The third proportion of a2b2 and abc is:

A.A1
B.B3
C.C2 *
D.Bc

550. The angle formed by a horizontal line and the line of sight to and object that is blow the horizontal line is called

A.Angle of elevation
B.Angle of depression *
C.Coterminal angle
D.Alternate angle