Soil (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 4 of 12

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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 » Insecticides

Appeared in Year: 2015

MCQ▾

Question

Insect pests can be controlled by the use of: (December)

(1) Insecticide (2) Pheromones

(3) Juvenile Hormones (4) Nitro phosphate

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 Pollution Control

Appeared in Year: 2015

MCQ▾

Question

Traps for petroleum and natural gas formed by deformation such as folding and fracturing of rocks are known as: (June)

Choices

Choice (4) Response
a.

Stratigraphic traps

b.

Structural traps

c.

Reservoir traps

d.

Lithification traps

Question number: 4

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

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the Lists - 1 and - II choose the correct answer from the codes given below- (December)
List-Ⅰ (Horizon) List-Ⅱ (Type/Charactprisics)

(A)

B-horizons

(i)

Leaf litter

(B)

C-horizons

(ii)

Parent material

(C)

A-horizons

(iii)

Top Soil

(D)

O-horizons

(iv)

Subsoil

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)
a.
  • (iv)
  • (ii)
  • (iii)
  • (i)
b.
  • (iv)
  • (i)
  • (iii)
  • (ii)
c.
  • (iii)
  • (i)
  • (iv)
  • (ii)
d.
  • (iv)
  • (i)
  • (ii)
  • (iii)

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