Question 13
Medium
Question 14
Medium
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 can accu...
Question 15
Medium
What is the significance of a practical approach to sugarcane production known as ‘Sustainable Sugarcane Initiative’? 1. Seed cost is very low in this compared to the ...
Question 16
Hard
If you walk through the countryside, you are likely to see some birds stalking alongside the cattle to seize the insects, disturbed by their movement through grasses, ...
Question 17
Hard
With reference to ‘Global Environment Facility’, which of the following statements is/are correct
Question 18
Easy
Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? 1. Volcanic action 2. Respiration 3. Photosynthesis 4. The decay of organic mat...
Question 19
Medium
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...
Question 20
Medium
With reference to ‘Eco-Sensitive Zones’, which of the following statements is/are correct? 1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (P...
Question 21
Medium
Which of the following are some important pollutants released by the steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon d...
Question 22
Hard
With reference to technologies for solar power production, consider the following statements: 1. ‘Photovoltaics’ is a technology that generates electricity by direct c...
Question 23
Medium
The scientific view is that the increase in global temperature should not exceed 2 °C above the pre-industrial level. If the global temperature increases beyond 3°C ab...
Question 24
Medium