Soil (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 5 - 9 of 12

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Question number: 5

» Soil » Soil Micro-Organisms and Functions

Appeared in Year: 2015

MCQ▾

Question

The composition of rhizospheric microorganisms are dependent on the soil (December)

(1) Texture (2) Organic matter (3) pH (4) Elasticity

Choices

Choice (4) Response

a.

(1) only

b.

(1), (2) and (3) Only

c.

(1) and (2) only

d.

(1), (2), (3) and (4)

Question number: 6

» Soil » Physico - Chemical as Bacteriological Sampling as Soil Quality Analysis

Appeared in Year: 2014

MCQ▾

Question

Water storage capacity of which soil is maximum? (December)

Choices

Choice (4) Response

a.

Heavy clay

b.

Sandy loam

c.

Clay loam

d.

Loam

Question number: 7

» Soil » Soil Micro-Organisms and Functions

Appeared in Year: 2011

MCQ▾

Question

E. coli displays diauxic growth pattern when grown in a medium containing: (June NET Paper-2)

Choices

Choice (4) Response

a.

Glucose alone

b.

Glucose and lactose

c.

Glucose and fructose

d.

Glucose and citrate

Question number: 8

» Soil » Physico - Chemical as Bacteriological Sampling as Soil Quality Analysis

Appeared in Year: 2015

MCQ▾

Question

Most common soil borne bacterial pathogen that manipulates plant by injecting its DNA segment into plant cell is (June)

Choices

Choice (4) Response

a.

Rhizobium leguminosarum

b.

Clostridium thermoacetium

c.

Agrobacterium tumefaciens

d.

Acidaminococcus fermentans

Question number: 9

» Soil » Physico - Chemical as Bacteriological Sampling as Soil Quality Analysis

Appeared in Year: 2015

MCQ▾

Question

To determine the cation-exchange capacity, it is necessary to calculate the total positive charge associated with ions like: (June)

Choices

Choice (4) Response

a.

Ca2+,Mn2+,Fe3+,Cr3+

b.

K+,BO2+,Pb2+,Hg2+

c.

Mg2+, Fe3+, Ni2+, Cd2+,

d.

Ca2+,Mg2+,K+,Na+

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