Tag: protecting our environment

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Questions Related to protecting our environment

Multiple choice evs - i waste and its management sources of waste protecting our environment rules are for everyone

___________ is one of the causes of soil pollution:

  1. Dumping of plastic

  2. Dumping of harmful chemical wastes

  3. Industrial effluents

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Introduction of an undesired component in the natural ecosystem is called as pollution. Wastes like plastic, chemicals, industrial effluents etc., causes damage to the natural micro flora of soil. Due to this soil pollution is lead.

Multiple choice evs - i waste and its management sources of waste protecting our environment rules are for everyone

Which amongst the following is one of the effects of soil pollution?

  1. Minimata disease

  2. Lead poisioning

  3. Bio-accumulation

  4. Higher growth yield
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Presence of unwanted contaminant in soil is called soil contamination. The deposition of pesticides on fruits and vegetables lead to its accumulation in fatty tissues of the host. This phenomenon is called bio accumulation.

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

The pesticides need to be replaced because these 

  1. are very costly

  2. cannot be stored for a long time

  3. are mostly toxic and non-biodegradable

  4. cause abnormalities in, the target population.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The toxicity of pesticides is affecting the human health due to excessive accumulation of the pesticides in the food. Pesticides mixed with water are non-biodegrable in nature, due to which various water borne diseases are occurring in humans. 

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

Following are the human activities that increase soil erosion except

  1. The tillage of agricultural lands

  2. Deforestation

  3. Roads and urbanization

  4. Planting on slopes
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Explanation: Overgrazing, over cropping and or deforestation can lead to desertification the spread of desert like lands due to these human activities accelerating natural erosion of soil.

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

Which among the following is a soil pollutant?

  1. Organo-chlorines

  2. Mercury

  3. Lead

  4. Arsenic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Presence of unwanted contaminant in soil is called soil contamination. Non-biodegradable chemical pesticides are the largest source of soil pollutant.  organo-chlorides are group of insecticides based on chlorinated hydrocarbons (organochlorines).

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

Contamination of soil system by considerable quantities of chemicals and substance is known as

  1. Water pollution

  2. Soil Pollution

  3. Air pollution

  4. Noise Pollution
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The definition provided describes the introduction of harmful substances into the soil, which is the standard definition of soil pollution.

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

Which of the following is the common term used for unwanted particles in the soil?

  1. Antibiotics

  2. Eutrophication

  3. Xenobiotic

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Xenobiotics are the unwanted chemicals or particles of compounds which are found in the regions where generally they are not present. These are the foreign particles like the herbicides, pesticides, agrochemicals like fertilizers, etc. These are the chemicals which might interact with the bacteria and other microorganisms in the soil. This might affect the absorption of nutrients by the plants.

Thus, the correct answer is option C. 

Multiple choice business organisation and correspondence waste and its management sources of waste protecting our environment rules are for everyone

Acidification of soil means

  1. Increase in H$^+$ ions

  2. Increase in pH

  3. Decrease in pH

  4. Both A and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acidification is characterized by an increase in hydrogen ion concentration (H+), which mathematically corresponds to a decrease in the pH value (since pH is the negative log of H+ concentration).

Multiple choice evs - i adapting to a habit adaptations - mangrove swamps, fast flowing rivers and treetops halophiles protecting our environment sustainability of natural resources

Mangrove vegetation is found in

  1. Sundarbans

  2. Kullu valley

  3. Western ghats

  4. Dehradun valley
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Sunderbans is a natural region in Bengal. It is the largest single block of tidal halophytic mangrove forest in the world. A mangrove is a tree, shrub, palm or ground fern, generally exceeding one half metre in height, that normally grows above mean sea level in the intertidal zone of marine coastal environments and estuarine margins. A mangrove is also the tidal habitat comprising such trees and shrubs.

Multiple choice botany adapting to a habit adaptations - mangrove swamps, fast flowing rivers and treetops halophiles protecting our environment

Sundarbans contain

  1. Mangrove plants

  2. Alpine trees

  3. Teak forest

  4. Grasses
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Sundarbans contain the world's largest mangrove forests and one of the most biologically productive of all natural ecosystems. Located at the mouth of the Ganges and Brahmaputra Rivers between India and Bangladesh. The mangrove habitat supports the single largest population of tigers in the world.

Therefore, the correct answer is option A.