Multiple choice questions XXXXIII — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. The enrichment of water bodies with nutrients leading to excessive growth of phytoplankton is known as

Ammonification
Phyto-enrichment
Nitrification
Eutrophication

2. To solve the food problem of the country, which among the following is necessary?

Increased production and storage of food grains
Easy access of people to the food again
People should have money to purchase the grains
All the above

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