Which of the following statements are incorrect statements for acid rain (A) it corrodes water pipes (B) it is not harmful for trees and plants (C) it does not cause breathing problem in human being and animals (D) it damages building and other structures made of stone or metal

Acid rain is harmful for agriculture aquatic ecosystem building and other structure made of stone or metal. Select the correct option.

Which of the following statements is incorrect regarding the stereisomerism of the complexes note below (where M statids for a metal, and A, B, C and D are achiral ligands) ?

Which of the following statements are correct regarding glucose ? A) It is a dextrose B) It forms osazone C) It forms gluconic acid with bromine - water D) It is a ketohexose

Which of the following statement(s) is (are) incorrect reason for eutrophication ? (A) excess usage of fertilisers (B) excess usage of detergents (C ) dense plant population in water bodies (D) lack of nutrients in water bodies that prevent plant growth Choose the most appropriate answer from the options given below:

Which of the following statements is/are not true? (i) Ozone layer occurs naturally in the atmosphere. (ii) Thinning of ozone layer allows more UV radiations to pass through it and cause harmful effects on humans, plants and animals. (iii) The region of the stratosphere that contains relatively high concentration of ozone is called troposphere.

which of the following statements about ozone are correct ? A. It is essential for breathing of living organisms B. It is used to disinfect water C.It absorbs ultraviolet rays D.Its proportion in air is about 3%

Which of the following statements are true foe saccharin. (A) It is a sodium salt and is not soluble in water. (B) It is much sweeter than cane suger. (C ) It is great value for diabetic patients and is excerted as such in urine. (D) It is harmful

Consider the following four statements. Which of the following statements are incorrect ? (A) The sporophyte in liverworts is more elaborate than in mosses. ( B ) salvinia is heterozygous. C ) The life cycle in all seed - bearing plants is diplomatic. ( D ) In pinus male and female cones are borne on different trees.