Soil-Soil Micro-Organisms and Functions (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 5 of 5

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Question number: 1

» Soil » Soil Micro-Organisms and Functions

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.

Acidaminococcus fermentans

b.

Agrobacterium tumefaciens

c.

Clostridium thermoacetium

d.

Rliizobium legumiosarum

Question number: 2

» 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: 3

» 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: 4

» Soil » Soil Micro-Organisms and Functions

Appeared in Year: 2009

MCQ▾

Question

The term oligotrophic refers to – (December)

Choices

Choice (4) Response

a.

Algal blooms

b.

Higher nutrients in water

c.

High aquatic productivity

d.

Low nutrients and low productivity

Question number: 5

» Soil » Soil Micro-Organisms and Functions

Appeared in Year: 2009

MCQ▾

Question

Which of the following have algae as Symbionts?

Choices

Choice (4) Response

a.

Mango tree

b.

Pinus

c.

Coralloid roots of cycas

d.

Walnut

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