Biological Magnification
Biological Magnification
Biological Magnification:
Producers like plants and algae take in nutrients from their surroundings. Sometimes they also take in harmful chemicals along with the other nutrients. These harmful chemicals include compounds of mercury, and chemicals like DDT, which is widely used to kill mosquitoes. These chemicals cannot be broken down by plants and other organisms. So, they accumulate in their bodies. Since organisms at a higher trophic level eat many lower-level organisms, the amount of chemicals entering their bodies increases
The chemical pesticides mix up with soil and water and are absorbed by the growing plants along with water and other minerals . pesticides enter the food chain at the producer level and in the process of transfer of food through process of transfer of food through trophic levels, these harmful chemicals gets concentrated at each trophic level.this phenomenon is know as ____________________________ | |||
| Right Option : C | |||
| View Explanation | |||
The progressive increase in the accumulation of a harmful substance in organisms at successively higher trophic levels is called _____________________ . | |||
| Right Option : A | |||
| View Explanation | |||
Biomagnifaction involves accumulation of _________________ | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
