31       Natural salinity is also known as

a)       Primary salinity

b)       Indiginous

c)       Insitu

d)       Secondary salinity

32.       Secondary salinity is a result of activities of

a)       Rodents

b)       Plants

c)       Human

d)       Other animals

33.       The approach using drainage schemes from reclamation of saline soils is

a) Engineering approach

b)  Scientific approach

c) Saline agriculture

d) Farmer’s approach

34.       Use of amendments and heavy irrigation for improving soil conditions is

a) Engineering approach

b) Scientific approach

c) Reclamation approach

d) Farmer’s approach

35.       SCARP stands for

a)       Salinity control and reclamation project

b)       Salinity control and reclamation programme

c)       Salt control agri. research plan

d)       Both b and c

 

36.       Methyl orange is the indicator used for the determination of_______

a)       CO₃

b)       HCO₃

c)       Na

d)       K

37.       _________ is the moles of solute per Kg of solvent

a)       Molarity

b)       Normality

c)       Molality

d)       Percentage

38.       A soil having pH less than 7 is

a)       Alkaline soil

b)       Normal soil

c)       Acidic soil

d)       Neutral soil

 

39.       Acidic soil has pH

a)       7

b)       9.5

c)       10

d)       Less than 7

40.    Clay particles have ____________  charge

a)       Negative

b)       Positive

c)       Neutral

d)       None of these

41.    Anion exchange capacity is usually represented as

a)       AEC

b)       aec

c)       Aec

d)       AeC

42.    Dehydration is _____________ of water

a)       Addition

b)       Removal

c)       Substitution

d)       Both a & b

43.    SCARP was monitored by

a)       WAPDA

b)       PIDA

c)       NIAB

d)       AARI

44.    Reclamation approach include the use of

a)       Gypsum

b)       Acid

c)       Heavy irrigation

d)       All of the above

45.    Halophytes are also known as

a)       Salt loving plants

b)       Salt sensitive plants

c)       Salt excluders

d)       Herbaceous

46.    The local name for saline soils is

a)       Thur

b)       Bara

c)       Thur-bara

d)       Shor

47.    Sodic soils are termed as

a)       Black alkali

b)       Grey alkali

c)       Calcareous

d)       Natric

48.    Sand particles have the diameter of

a)       Less than 0.002mm

b)       More than 0.002mm

c)       0.002mm

d)       Between 0.02-2.0 mm

49.    Saline-sodic soils have characteristics of

a)       Saline soils

b)       Sodic soils

c)       Both a & b

d)       None of these

50.    Saline soils are also known as

a)       White alkali

b)       Grey alkali

c)       Calcareous

d)       Natric

1, 2, 3, 4, 5, 6,

Answer Key 

31	a
32	c
33	a
34	c
35	a
36	b
37	c
38	c
39	d
40	a
41	a
42	a
43	a
44	d
45	a
46	a
47	a
48	d
49	c
50	a