Science · Scientific Disciplines
जिरोन्टोलॉजी (Gerontology) विज्ञान की वह शाखा है जो किसके अध्ययन से संबंधित है?
- 1वृद्धावस्था और बुढ़ापे की समस्याओं✓
- 2पर्यावरणीय पारिस्थितिकी
- 3कीट-पतंगों
- 4मानव विकास
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