Practice mode / Environmental Science A lake starts freezing because of the cold atmosphere. It will first freeze A Option A: At the bottom B Option B: ln the middle pan C Option C: At the top surface D Option D: Uniformly throughout the water body Correct answer C. At the top surface Show answer Report a problem How we write and check questions
Question 01 / Environmental Science An area of microbiology that is concerned with the occurence of disease in human population is? A Option A: Immunology B Option B: Paracitology C Option C: Epidemiology D Option D: none Correct answer C. Epidemiology Show answer Open question
Question 02 / Environmental Science When water is filled in a bottle and is allowed to freeze, the bottle breaks because A Option A: Water expands on freezing B Option B: Bottle contracts at freezing point C Option C: temperature outside the bottle is less than that inside the bottle. D Option D: all these above Correct answer A. Water expands on freezing Show answer Open question
Question 03 / Environmental Science It is a secondary plant nutrient? A Option A: Nitrogen B Option B: Phosphorus C Option C: Sulphur D Option D: none Correct answer C. Sulphur Show answer Open question
Question 04 / Environmental Science The severity of 2005 earthquake in Pakistan on Richter scale was? A Option A: 6.9 B Option B: 7.6 C Option C: 7.1 D Option D: none Correct answer B. 7.6 Show answer Open question
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