A. Minerals B. Air C. Soil D. Water Correct Answer: Option B B. Air
A. hunted B. killed C. poached D. protected Correct Answer: Option D D. protected
A. Azotobacter B. Nitrobacter C. Rhizobium D. Nitrosomonas Correct Answer: Option C C. Rhizobium
A. cockroach B. mosquito C. black fly D. tse-tse fly Correct Answer: Option D D. tse-tse fly
A. Gonorrhoea B. Measles C. Diarrhoea D. Tuberculosis Correct Answer: Option C C. Diarrhoea
A. bell shaped curve B. skewed curve C. s-shape curve D. linear curve Correct Answer: Option D D. linear curve
A. xerophytes → mesophytes shrub B. mesophytes → xerophytes → shrub C. mesophytes → shrub -> xerophytes D. xerophytes →…
A. reduction of oxygen concentration in the atmosphere B. depletion of the ozone layer C. screening of ultra violet rays…
A. oil spillage B. soot C. noise D. dust Correct Answer: Option C C. noise
A. many organisms are present at the first trophic level B. many organisms occur at the higher trophic level C.…