Please select a subject first
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The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Umpetlore is a fossil fuel.
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The underlined word in the following sentence have been jumbled up. Write them in their correct form.
Keenrose is a fuel used in jet crafts.
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Coal and petroleum are formed from the dead remains of organisms and are known as ______.
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Excessive burning of fossil fuels is a major cause of ______.
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We say fossil fuels will last only for a few hundred years. Comment.
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We read in newspapers that burning of fuels is a major cause of global warming. Explain why.
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Write some important uses of the various constituents of petroleum.
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Shyam was cooking potato curry on a chulha. To his surprise, he observed that the copper vessel was getting blackened from outside. It may be due to
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Why is the use of diesel and petrol as fuels in automobiles being replaced by Compressed Natural Gas (CNG) in big cities?
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Which one of the following statements is true about endemic species?
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State whether the following statement is True or False. Correct the false statement.
Bison is an endemic fauna of Pachmarhi Biosphere Reserve.
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Why are endemic organisms in greater danger of becoming extinct?
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A new species X is introduced in a forest. How is it likely to affect the local species of that area?
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AIDS can spread from an infected person to another person through
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Unscramble the underlined word in the following sentence.
The development of a caterpillar to an adult butterfly is termed as poommertaissh.
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Unscramble the underlined word in the following sentence.
The overgrowth of sumselc in xalnvr leads to the hoarse voice in adolescent boys.
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Complete the following sentence.
Endocrine glands release hormones directly into ______ for transportation to the ______.
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Complete the following sentence.
The sex hormones, ______ and estrogen are responsible for the development of characters.
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During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is ______.
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Two objects repel each other. This repulsion could be due to
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