Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use?
Important Questions on Economic and Social Issues
What is the difference between a CFL and an LED lamp?
I. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material.
II. The average life span of a CFL is much longer than that of an LED lamp.
III. A CFL is less energy-efficient as compared to an LED lamp.
Which of the statements given above is/are correct?
Consider the following statements:
Right to education.
Right to equal access to public service.
Right to food.
Which of the above is/are Human Right/ Human Rights under "Universal Declaration of Human Rights"?
Three of the following criteria which have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity:
Species richness.
Vegetation density.
Endemism.
Ethno-botanical importance.
Threat perception.
Adaptation of flora and fauna to warm and humid conditions.
Which three of the above are correct criteria in this context?
Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere but a lot of it does not remain in the lower atmosphere because of:
I. Its escape into the outer stratosphere.
II. The photosynthesis by phytoplankton in the oceans.
III. The trapping of air in the polar ice caps.
Which of the statements given above is/are correct?
In the context of ecosystem productivity, marine upwelling zones are important as they increase marine productivity by bringing the:
I. decomposer microorganisms to the surface.
II. nutrients to the surface.
III. bottom-dwelling organisms to the surface.
Which of the statements given above is/are correct?
Microbial fuel cells are considered a source of sustainable energy. Why?
I. They use living organisms as catalysts to generate electricity from certain substrates.
II. They use a variety of inorganic materials as substrates.
III. They can be installed in wastewater treatment plants to cleanse water and produce electricity.
Which of the statements given above is/are correct?
