2013
Science & Technology
Subject Collection
UPSC Prelims 2013 Science & Technology
Science & Technology PYQs for UPSC Prelims 2013.
2013
Science & Technology
Mycorrhizal Biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to - 1. Resist drought and increase absorptive area 2. Tolerate extremes of pH 3. Resist disease infestati...
2013
Science & Technology
Consider the following phenomena: 1. Size of the sun at dusk 2. Colour of the sun at dawn 3. Moon being visible at dawn 4. The twinkle of stars in the sky 5. Polestar being visible in the sky Which of the above are o...
2013
Science & Technology
Consider the following minerals - 1. Calcium 2. Iron 3. Sodium Which of the minerals given above is/are required by the human body for the contraction of muscles?
2013
Science & Technology
Consider the following animals: 1. Sea cow 2. Sea horse 3. Sea lion Which of the above is/are mammal/mammals?
2013
Science & Technology
Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1. Across different species of plants. 2. From animals to plants. 3. From microorganisms to higher organisms. Select the correct Solutio...
2013
Science & Technology
Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by
2013
Science & Technology
Ball bearings are used in bicycles, cars, etc., because
2013
Science & Technology
During a thunderstorm, the thunder in the skies is produced by the 1. Meeting of cumulonimbus clouds in the sky 2. Lightning that separates the nimbus clouds 3. Violent upward movement of air and water particles Sele...
2013
Science & Technology
Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this? 1. Dispersion 2. Refraction 3. Internal reflection Select the correct Solution using the c...
2013
Science & Technology
The efforts to detect the existence of Higgs boson particle have become frequent news in the recent past. What is /are the importance/importance of discovering this particle? 1. It will enable us to understand as to w...
2013
Science & Technology
Which of the following diseases can be transmitted from one person to another through tattooing? 1. Chikungunya 2. Hepatitis B 3. HIV-AIDS Select the correct answer using the codes given below.
2013
Science & Technology
Which of the following statements is/are correct? 1. Viruses lack enzymes necessary for the generation of energy. 2. Viruses can be cultured in any synthetic medium. 3. Viruses are transmitted from one organism to ano...
2013
Science & Technology
Fruits stored in a cold chamber exhibit longer storage life because -
2013
Science & Technology
With reference to the usefulness of the by-products of the sugar industry, which of the following statements is/are correct? 1. Bagasse can be used as biomass fuel for the generation of energy. 2. Molasses can be used...
2013
Science & Technology