Introduction to Science and Technology

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Introduction to Science and Technology: Overview

This topic covers concepts, such as, Science and Technology in Planning in India & Theories of Technology etc.

Important Questions on Introduction to Science and Technology

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Which of the following is the application of sciences such as physics, chemistry, biology, computer science and engineering to matters of law and to the identification of various facts of civilian investigation?  

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With reference to the Coal to Liquid (CTL) technology consider the following sentences.
A) Coal to Liquid (CTL) technology is an alternative route to produce diesel and gasoline
B) It makes economic sense only in a world of high crude oil prices.
C) Coal can be converted into liquid fuels like gasoline/ diesel by indirect liquefaction technique through Fischer-Tropsch route.
Which of the statements given above is/are correct?

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What is the purpose of the 'Evolved Laser interferometer Space Antenna (eLISA)' Project? 

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What is the atomic number of a chemical element called Vanadium?

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Which one of the following diseases is caused by virus?

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‘Gelator’, which was recently in the news, refers to:

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Suppose you are a farmer living at a place having black soil. If the climate of your region is warm and you want to grow fibre-yielding plants in your fields, then which of the following would you prefer ?

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A teacher of Class VII demonstrates the following activity in the class : "A leaf is put in a test tube and spirit is poured over it. Then the test tube is put in a beaker half-filled with water and heated till the leaf is discoloured. The leaf is then taken out and a few drops of iodine are put on it. The leaf turns blue-black in colour." After this activity, the teacher gives some questions for the assessment of various indicators of learning. Which of the following would assess 'analysis'?

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The students of Class VII are asked the following question by a teacher: "Two identical cubes of ice are taken out of a refrigerator. One is crushed and the other is left as it is.
It is noticed that the crushed ice melts faster. What could be the reason"?
Which process skill is promoted through this question?

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A few small wax pieces are fixed at nearly equal distances on a flat strip of Aluminium. One end of the strip is clamped to a stand and the other end is heated.
Consider the following statements A and B-
A.Wax pieces begin to fall one by one in the order of their increasing distance from the flame.
B.Aluminium strip transfers heat from the one end nearest to the flame to the other end.
Of the two statements given above, which is observation and which is the inference?

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Which of the following is not a purpose of conducting practicals/experimental activities in science?

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The criterion of process validity of science curriculum requires that :

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You find that many of your Class VI students believe that raw material for plant growth comes only from the soil. Which among the following would be the most appropriate strategy to counter this idea?

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Which process skills can be promoted through the above activity?

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Which substance is formed when sulphur dioxide is dissolved in water ?

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What happens if blue and red litmus papers are put into the tumbler ?

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Consider the following statements:
1. Uranium-235 and U-238 are chemically identical, but differ in their physical properties.
2. Uranium enrichment is an isotope separation from non-fissile U-238 to fissile U-235.
3. Enrichment of Uranium is done by the centripetal process.
Which of the statements given above is/are correct?

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The Large Hadron Collider (LHC) used in the CERN project is a particle accelerator located on the border between

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First indigenous bio-jet fuel-powered IAF aircraft lands successfully in Leh. What is the name of this aircraft?