Acid rain is caused by the pollution of environment by

Options

(a)

carbon dioxide and nitrogen

(b)

carbon monoxide and carbon dioxide

(c)

ozone and carbon dioxide

(d)

nitrous oxide and sulphur dioxide

Answer

(D)

PollutionXSources

Environment › PollutionXSources

2013

Due to improper/indiscriminate disposal of old and used computers or their parts, which of the
following are released into the environment as e-waste?
(1). Beryllium
(2). Cadmium
(3). Chromium
(4). Heptachlor
(5). Mercury
(6). Lead
(7). Plutonium
Select the correct answer using the codes given below.

Options

(a)

1, 3, 4, 6 and 7 only

(b)

1, 2, 3, 5 and 6 only

(c)

2, 4, 5 and 7 only

(d)

1, 2, 3, 4, 5, 6 and 7

Answer

(B)

Environment › PollutionXSources

2013

Which of the following can be found as pollutants in the drinking water in some parts of India?
(1). Arsenic
(2). Sorbitol
(3). Fluoride
(4). Formaldehyde
(5). Uranium
Select the correct answer using the codes given below.

Options

(a)

1 and 3 only

(b)

2, 4 and 5 only

(c)

1, 3 and 5 only

(d)

1, 2, 3, 4 and 5

Answer

(C)

Environment › PollutionXSources

2013

Photochemical smog is a resultant of the reaction among

Options

(a)

NO 2 , O 3 and peroxyacetyl nitrate in the prescence of sunlight

(b)

CO 2 , O 2 , and peroxyacetyl nitrate in the presence of sunlight

(c)

CO, CO 2 , and NO 2 at low temperature

(d)

high concentration of NO 2 , O 3 and CO in the evening

Answer

(A)

SpeciesXExotic/Invasive

Environment › SpeciesXExotic/Invasive

2013

Consider the following organisms :
1.Agaricus
2.Nostoc
3.Spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?

Options

(a)

1 and 2

(b)

2 only

(c)

2 and 3

(d)

3 only

Answer

(B)

SpeciesXHabitat

Environment › SpeciesXHabitat

2013

Consider the following :
1.Star tortoise
2.Monitor lizard
3.Pygmy hog
4.Spider monkey
Which of the above are naturally found in India?

Options

(a)

1, 2 and 3 only

(b)

2 and 3 only

(c)

1 and 4 only

(d)

1, 2, 3 and 4

Answer

(A)

Environment › SpeciesXHabitat

2013

In which of the following states is lion-tailed macaque found in its natural habitat?
1.Tamil Nadu
2.Kerala
3.Karnataka
4.Andhra Pradesh
Select the correct answer using the codes given below.

Options

(a)

1, 2 and 3 only

(b)

2 only

(c)

1, 3 and 4 only

(d)

1, 2, and 3

Answer

(A)

SpeciesXPlants

Environment › SpeciesXPlants

2013

Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
(1). Hard and waxy leaves
(2). Tiny leaves or no leaves
(3). Thorns instead of leaves
Select the correct answer using the codes given below.

Options

(a)

1 and 2 only

(b)

2 only

(c)

1 and 3 only

(d)

1, 2 and 3

Answer

(D)

SpeciesXThreats and Conservation efforts

Environment › SpeciesXThreats and Conservation efforts

2013

Consider the following fauna of India :
(1). Gharial
(2). Leatherback turtle
(3). Swamp deer
Which of the above is/are endangered?

Options

(a)

1 and 2 only

(b)

3 only

(c)

1, 2 and 3

(d)

None

Answer

(C)

Environment

PollutionXAcid Rain

Options

Answer

PollutionXSources

Options

Answer

Options

Answer

Options

Answer

SpeciesXExotic/Invasive

Options

Answer

SpeciesXHabitat

Options

Answer

Options

Answer

SpeciesXPlants

Options

Answer

SpeciesXThreats and Conservation efforts

Options

Answer