Lithosphere

Read the following text and answer the following question on the basis of the same : all biomes of the earth constitute the earth's ecosystem. All flora and fauna occur in the lithosphere , atmosphere and hydrosphere along with the their environments . Air , water , soil , biota , temperature and light are the major environmental factors the directly affect the flora and fauna in different geological areas of the earth. Climate of an depends upon :

Read the following text and answer the following question on the basis of the same : all biomes of the earth constitute the earth's ecosystem. All flora and fauna occur in the lithosphere , atmosphere and hydrosphere along with the their environments . Air , water , soil , biota , temperature and light are the major environmental factors the directly affect the flora and fauna in different geological areas of the earth. Soil aeration is inversely proportional to :

With reference to earthquakes, which of the following statements are correct? 1. Earthquakes largely occur along the converging plate boundaries. 2. Point of origin of earthquake in lithosphere is knonw as focus/hypocentre. 3. Intensity of earthquake decreases with distance from the epicentre. 4. Epicentre of earthquake always remains over continents only. Select the correct answer using the code given below.

Assertion: Phosphorus cycle is an imperfect cycle as a sufficient amount of phosphorus combines with Al^(3+) Fe^(2+) and Ca^(2+) to form insoluble and unavailable salts. Reason: Phosphate circulation in abiotic environment in lithosphere as well as in atmosphere.

Read the following statements and select the incorrect ones. (i). The co-cordinated activites of the legume and Rhizobium bacteria depend on chemical interations between the symbiotic partners. (ii). Leguminous roots secrete chemical attractants that attract Rhizobium bacteria living nearby. (iii). N,P and K usually do not get dificint in soil due to their low plant requirement (iv). Nitrogen cycle is regular circulation of nitrogen amongst oliving organisms with its reservoir pool in lithosphere and cycling pool in atmosphere.