Q89. Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly resistant to degradation in the environment. 2. They are able to accumulate in humans and animals. Select the correct answer using the code given below.

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements: 1. PF

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They c

Consider the following statements: Statement-I: Many chewing gums found in the market are a source of environmental pollution. Statement-II: Many chewing gums

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short Lived Climate Pollutants is a unique initiative of G2O group of cou

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/ reasons is this attributable? 1. The anaer

Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/ reasons is this attributable? 1. The anaer

Consider the following pairs: | Commonly used/consumed materials | Unwanted or controversial chemicals likely to be found in them | | :--- | :--- | | 1. Lipsti

In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation techniques? 1. It is a technique for cleaning up pollution

Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradien

It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry? 1. Produc

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of the Air Quality Index? 1

Which of the following are some important pollutants released by the steel industry in India? 1. Oxides of sulphur 2. Oxide of nitrogen 3. Carbon mono

Which of the following can be found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5.

Due to improper/indiscriminate disposal of hold and used computers or their parts, which of the following are released into the environment as e-waste

Acid rain is caused by the pollution of environment by (a) carbon dioxide and nitrogen (b) carbon monoxide and carbon dioxide (c) ozone and carbon dio

Photochemical smog is a resultant of the reaction among (a) NO2, O3 and peroxyacetyl nitrate in the presence of sunlight (b) CO, O2 and peroxyacetyl n

Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed b