NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Use past TMAs to deal with new TMAs and Exams
Richtubor
Posts: 501
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Postby Richtubor » Fri Jan 18, 2019 4:17 am

NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788

Q1 Which of the following is not a good source of organic matter in the soil

Polythene

Q2 Phosphorous, P, is important in the

Germination of seed
Production of flower s
Growth of roots
---all of the

Q3 Which of these nutrient elements is not found in worm cast produced by earth worms

Cl

Q4 Some soil fungi cause plant and animal diseases

TRUE

Q5 Bacteria has various shapes and sizes. Which of these is not one of the shapes

tripod

Q6 Aerobes require oxygen for their respirition

TRUE

Q7 organisms based on respiration

Aerobes
Anaerob es
Faculta
---all of th e

Q8 Which of these can result in poor nutrient uptake

soil
cold temp
low soil
---all of the

Q9 Forces responsible for adsorption reactions are

USA

Q10 Which of the following cannot cause acidity in soils

Addition

Q11 You can remedy saline soils through

Leaching

Q12 A PH of 8.5 is considered

Alkali

Q13 Buffer solutions contain compounds that can react with

Base &

Q14 In Cation Exhange Capacity the following cations are involved except one

K
Ca
Fe
---all of the

Q15 Copper (Cu) is associated with

they can

Q16 N fixation

destroys

Q17 Zinc (Zn) is absorbed by plants for the following functions except one

activator
carbohy
absorpti on
---all of the

Q18 Molybdenum (Mo) is the only micronutrient available in alkaline condition

TRUE

Q19 Mn is more available under the following conditions

water

Q20 For plant nutrition, Mn occurs only in the form of the

Mn6+



Email: Solutions2tma@gmail.com
Whatsapp: 08155572788



Richtubor
Posts: 501
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

Re: NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Postby Richtubor » Fri Jan 18, 2019 4:19 am

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788



Q21 High concentration of one of the followings elements maycause Fe chlorosis

P
M n
bica rbo
---all of th e above

Q22 In soil,Fe occurs in the following minerals except one

Magnetite
Heamatite
Ferrous
---all of th e above

Q23 Which of the followings does not affect Fe availability in soils

High soil
Poor
Exce ss
---all of th e above above

Q24 Fe In soil reduces with increasing Ph

TRUE

Q25 Fe is required in plants for the following functions

FALSE

Q26 Symptoms of Fe deficiency is first noticed on the

younger

Q27 Fe is immobile in plants

FALSE

Q28 Which of the following soil clay condition contain more Boron

TRUE

Q29 Boron availability is lowest when the soil condition is

Heavy soil

Q30 Which of these is not a function of Boron

sulphur activation

Q31 Boron is immobile

FALSE

Q32 Which of the following is not a deficiency of B

yellowing

Q33 Deficiency of Bis less pronounced in

cereals

Q34 Boron occurs mainly in the soil as

Borosil icate

Q35 In acid soils, the following ions are tightly held to prevent K from being held

H+

Q36 The following methods have shown to enhance the fixation of potassium

roasting/
wetting/
freezing/
---B & C

Q37 Organic matter has little capacity to strongly fix P ions due to

large hurmic molecules
presence of hyrous oxid es
presence of chelates
---all of the above

Q38 Phosphorus fixation occurs at

low Ph
High P h
---A & B
Unsure

Q39 Phosphorus release tends to be lowest with

Higer clay content

Q40 The following nutrients are required by plants in large quanties

N
P
K
---al l of the above



Email: Solutions2tma@gmail.com
Whatsapp: 08155572788
Richtubor
Posts: 501
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

Re: NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Postby Richtubor » Fri Jan 18, 2019 4:21 am

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788



Q41 Root noddles is a sink for for

N fixation

Q42 Which of the followings is not part of N containing cellular compound

Sulphuric ac id

Q43 Which of these genera of bacteria is necessary for symbiosis of legumes

Rhzobium only
Bradyrhizobium only
unsure
---A and B

Q44 Sufficient N is necessary for the decay of organic matter

TRUE

Q45 At what level of ratio of organic matter to carbon in the soil that will result in nitrogen

25 to 1

Q46 What is the ratio of carbon to nitrogen that a soil microbe must incorporate into their cells

8 to 1

Q47 Which of these elements is required to build essential organic compounds

carbon

Q48 Which of these noddles act as a sink for N fixation

root noddles

Q49 liming of acid soils increases the availability of one the following elements

Mo

Q50 Exessive phosphate may reduce the uptake of one of these minerals

Fe

Q51 Mycorrhizae protects plants from excessive uptake of micronutrients

TRUE

Q52 Microbial decomposition of organic plant residues results in the release of micronutrients

TRUE

Q53 Cu is deficient in poorly drained soils

TRUE

Q54 Mycorrhizae is also called

root fungus

Q55 Application of large quanties of phosphate fertilizer is very good for micrnutrient uptake by plants

TRUE

Q56 Overlimimg of an acid soil often leads to the deficiency of the following elements except one

Cu
Fe
Mn
---all t he above

Q57 Under acidic condition, Mn is often toxic to plants

TRUE

Q58 Which of the following nutrient is not in abundance in very acidic soils

P

Q59 Micronutrients are most soluble under acid conditions

TRUE

Q60 which of the following is not a micronutrient

Fe
Co
Zn
---All of the above


Email: Solutions2tma@gmail.com
Whatsapp: 08155572788
Richtubor
Posts: 501
Joined: Mon Aug 21, 2017 8:24 pm
Contact:

Re: NOUN TMA Questions and Answers: SLM305- Introduction to Soil Chemistry, Fertility and Microbiology

Postby Richtubor » Fri Jan 18, 2019 4:22 am

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788


Q61 Boron, copper and mangeness are required by plants as trace elements

TRUE

Q62 Which of the following is not a base cation

Na

Q63 The type of soil in a place is governed by the mineral present in the rock

TRUE

Q64 Which of these is not a soil particle

loam

Q65 Excessive soil pollutant enhances soil structure

FALS E

Q66 The particle size of clay is about

0.002

Q67 There are more oxygen than carbon dioxide in the soil

FALSE

Q68 The solution phase of soil interract continousely with the solid phase

TRUE

Q69 Which of the soil particle adhere together when wet

clay

Q70 Which of these soil particles is the smallest

Clay

Q71 Silt particles are too large to be seen by the naked eye

FALSE

Q72 Soil solid phase occupies x% of the soil's volume

0.5

Q73 Which of these is not a pollutant to the soil

Atmosph

Q74 Which of these is not a form of precipitation

false

Q75 Soil particle size distribution governs its drainage

TRUE

Q76 Soil acidification is the release of hygrogen ions to compensate for uptake of base ions

TRUE

Q77 Which of these is not a trace element in the soil

P

Q78 Which of these is not a major essential element in the soil

Fe

Q79 Atmospheric chemistry interacts with soil chemistry

TRUE

Q80 one of the underlisted gases is not found in the soil

Neon




Email: Solutions2tma@gmail.com
Whatsapp: 08155572788


Who is online

Users browsing this forum: No registered users and 1 guest