Chapter 11: Prakriti ke Khazaane
Hawa, paani, dhoop, jungle, mitti, chattaanein aur eendhan: prakriti humein kai khazaane deti hai. Is chapter mein hum jaanenge har ek kya deta hai, kaun khatam ho sakte hain, aur unhe samajhdaari se kaise use karein taaki bachein.
Is chapter mein tum
- hawa, paani, dhoop, jungle, mitti aur khanij ko prakritik sansaadhan ki tarah batana
- mitti aur fossil fuels kaise bante hain samjhaana
- renewable aur non-renewable sansaadhan mein farak karna
- sansaadhan bachaane ke tareeke batana
Topics
- Hawa NCERT 11.1
Prakritik sansaadhan prakriti se milne wali upyogi cheezein hain.
- Paani NCERT 11.2
Dharti ke paani ka chhota hissa hi upyogi meetha paani hai.
- Suraj se Urja NCERT 11.3
Suraj Dharti par urja ka mukhya srot hai, khaane ke liye bhi.
- Jungle NCERT 11.4
Jungle lakdi, khaana, dawaiyaan aur jaanwaron ke ghar dete hain.
- Mitti, Chattaanein aur Khanij NCERT 11.5
Mitti chattaanon se saikdon saal mein banti hai; humus use upjaau banaata hai.
- Fossil Fuels (Jeevaashm Eendhan) NCERT 11.6
Koyla, petroleum aur prakritik gas laakhon saal mein bane fossil fuels hain.
- Renewable aur Non-renewable Sansaadhan NCERT 11.7–11.8
Renewable sansaadhan prakriti jaldi bharti hai; non-renewable nahi.
Key words
- Natural resource
- prakriti se milne wali upyogi cheez
- Groundwater
- zameen ke neeche jama paani
- Humus
- mitti mein sade paudhe-jaanwar
- Fossil fuels
- laakhon saal mein bane koyla, petroleum aur prakritik gas
- Renewable resource
- prakriti jaldi bharti hai
- Non-renewable resource
- banne mein laakhon saal
Summary
- Hawa gaseon ka mishran hai: lagbhag 78% nitrogen aur 21% oxygen.
- Meetha paani seemit hai; rainwater harvesting use jama karne mein madad karti hai.
- Suraj urja ka mukhya srot hai; jungle, mitti aur khanij keemti sansaadhan hain.
- Fossil fuels aur khanij non-renewable; dhoop, hawa aur paani renewable. Reduce, reuse, recycle.