Electric fuse wire is made of alloys because alloys -
Answer: B
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Which among the following gas is most responsible for global warming?
Answer: C
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Permanent hardness of water can be removed by adding
Answer: B
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A cyclone is an engineering device that is used to
Answer: B
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At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?
Answer: D
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What happens when some charge is placed on a soap bubble?
Answer: B
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Metal extracted from seawater
Answer: C
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_____________ is the longest cell
Answer: A
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Which metal pollute the air of a big city?
Answer: C
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Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
Answer: A
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