Environment-6th

12345678910
Across
  1. 4. This bacterium converts the atmospheric nitrogen into nitrates.
  2. 7. The process of inhalation and exhalation
  3. 8. The process by which plants prepare their own food
  4. 9. Organisms which are on the verge of the living and non-living
  5. 10. This gas is essential for combustion
Down
  1. 1. Plants growing in hot and dry regions such as deserts
  2. 2. It contains ovary of the flowers
  3. 3. Water trapped below the ground over the bedrocks
  4. 5. These rays are absorbed by the ozone layer
  5. 6. A plant having thin, long and weak stem which cannot stand upright and spreads on the ground