StudyGK

Practice MCQs, News & Typing Tutor
प्रैक्टिस MCQs, समाचार और टाइपिंग ट्यूटर
Prepare for SSC, CGL, UPSC and more — daily GK practice
SSC, CGL, UPSC और अन्य परीक्षाओं की तैयारी — दैनिक GK अभ्यास

Ecology is the scientific study of interactions between organisms and their environment in which sphere?

  • Atmosphere
  • Lithosphere
  • Hydrosphere
  • Biosphere
Answer: 4