Soil Pollution Objective Type Questions and Answers

(21) pH meter measures

[A] H ions activity

[B] H ions concentration

[C] Al ions

[D] All of the above

Answer: H ions activity

(22) Spectrophotometer is used for determination of _____

[A] N

[B] P

[C] K

[D] All of the above

Answer: All of the above

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

Article and Schedule Quiz	Start Test!

(23) KMnO4 (potassium permanganate) is used for __________

[A] Available nitrogen

[B] Organic carbon

[C] Available phosphorus

[D] Available potassium

Answer: Available nitrogen

(24) Which instrument is used for the estimation of potash (K)

[A] Spectrophotometer

[B] Flamephotometer

[C] Colorimeter

[D] Atomic absorption

Answer: Flamephotometer

(25) Which method used for determination of available phosphorus in acid soil

[A] Jackson

[B] Walkley and Black

[C] Olsen

[D] Bray

Answer: Bray

(26) Olsen method is used for phosphorus estimation

[A] Acidic soil

[B] Neutral to alkali soil

[C] Saline soil

[D] All of the above

Answer: Neutral to alkali soil

(27) The unit used for the measurement of electrical conductivity is _____

[A] dS/m

[B] uS/cm

[C] mg/m

[D] Both A and B

Answer: Both A and B

(28) EC (electrical conductivity) meter measures

[A] Total salt in soil

[B] Soluble salt in soil

[C] Both the salt

[D] None of the above

Answer: Soluble salt in soil

(29) Which clay mineral is responsible for cracking in black soil?

[A] Kaolinite

[B] Illite

[C] Vermiculite

[D] Montmorillonite

Answer: Montmorillonite

(30) Kanhar soil covers area in Chhattisgarh of total area

[A] 12%

[B] 39%

[C] 27%

[D] 21%

Answer: 21%

31 Bhata soil covers area in Chhattisgarh of total area

[A] 27%

[B] 39%

[C] 21%

[D] 12%

Answer: 12%

32 What is called for the movement of surface litter and topsoil from one place to another?

[A] Soil submerge

[B] Soil degradation

[C] Soil erosion

[D] Soil pollution

Answer: Soil erosion

33 What is used to convert wastelands into agricultural lands?

[A] Check dams

[B] Water purifier

[C] Rain harvesters

[D] Gradonies

Answer: Gradonies

34 Organic agriculture advocates avoiding the use of_____________________

[A] Organic manure

[B] Stored water

[C] Modern technologies in harvesting

[D] Chemical fertilizers

Answer: Chemical fertilizers

35 Phosphorus uptake in alkali soil in the form of _____

[A] H2PO4–

[B] HPO42–

[C] PO43–

[D] H3PO4

Answer: PO43–

36 Maximum N content found in N fertilizer

[A] Urea

[B] Sodium nitrate

[C] Ammonium sulphate

[D] Anhydrous ammonia

Answer: Anhydrous ammonia

37 The conversion factor for calculating P from P2O5

[A] P2O5 x 2.29

[B] P x 0.44

[C] P x 2.29

[D] P2O5 x 0.44

Answer: P2O5 x 0.44

38 Which organic fraction not soluble in both acid and alkali

[A] Fulvic

[B] Humic

[C] Humin

[D] All of the above

Answer: Humin

39 In munsell colour chart hue 10 represents as ______

[A] Red

[B] Black

[C] Grey

[D] Yellow

Answer: Yellow

40 Available water held between

[A] Saturation to wilting point

[B] Field capacity to hygroscopic coefficient

[C] Only field capacity

[D] Field capacity to wilting point

Answer: Field capacity to wilting point

Take Mock Tests

Missiles Mock Test	Start Test!
SSC MTS Mock Test	Start Test
IBPS CLERK MOCK TEST	Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH)	Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi)	Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH)	Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH)	Start Test!
IB Security Assistant Mock test 1 (english)	Start Test!
UP POLICE CONSTABLE MOCK TEST 1	Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI)	Start Test!