Explain some harmful effects of agricult | Class 10 Science Chapter Our Environment, Our Environment NCERT Solutions

Question:

Explain some harmful effects of agricultural practices on the environment.

Answer:

Some harmful effects of agricultural practices are as follows:

1. Run off from the field sprayed with the nitrates of the fertilizers when dissolved in ground water or the soil it produces harmful effects or can kill many useful microbes, this will lead to eutrophication.
2. When the fertilizers are added to the agricultural field, a part of the fertilizer goes down into the soil and to the ground water, then this will lead to the increase in the salt content of ground water.
3. Pesticides are non- biodegradable and when the large number of pesticides sprayed over the crops reaches the river or the water bodies and kills the biota. When the concentration of the toxic material increases at each trophic level of the food chain is known as biomagnifications.
4. Excessive use of the ground water lowers the ground water level.
5. Cutting down of the trees (deforestation) for agriculture results in the loss of habitat and niches for the animals and it will cause damage to the natural environment.
6. Loss of soil productivity by erosion of the top soil results in the formation of deserts, known as desertification.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Our Environment.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 38: Explain some harmful effects of agricultural practices on the environment.....