Question
Which statement is accurate regarding the use of gases
in welding and agriculture? (I) Acetylene is the only fuel gas suitable for gas welding. (II) Ethylene is used in agriculture to induce the ripening of fruits.Solution
Statement I is incorrect as acetylene is not the only fuel gas suitable for gas welding; other gases like propane and propylene are also used for various heating purposes, although acetylene is preferred for its high flame temperature. Â Â Statement II is correct. Ethylene is indeed used in agriculture to promote the ripening of fruits like bananas and tomatoes, due to its natural role as a plant hormone involved in the ripening process.
The Tropic of Cancer (23°30' N) passes through which states of India?
Which climate classification best describes the high-altitude regions of Uttarakhand?
In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these brid...
Which area is referred to as the Konkan coast?
 Which of the following is/are the features of wet tropical evergreen vegetation?
1. Dense Forest with thick spread of grass.
2. Low vege...
In the context of Andaman and Nicobar Islands, which of the statements given below is/are correct?
1. Saddle peak is the highest mountain peak of...
The Ideal temperature for the growth of Bajra is between
Consider the following pairs:
Which of the pairs give...
Which of the following is incorrect regarding Lakshadweep islands?
Arrange the following peaks from East to West based on their geographical locations:
1. Mount Everest
2. Mount Denali
3. Mount Kilimanjaro
4. Mount Elbrus
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