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Science Do as instructed[3 M]

Natural Resources · Maharashtra Board STD 7 (MSBSHSE - Semi English Medium). 2 questions.

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Do as instructed[3 M]

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2 questions · timed · auto-graded

Question 13 Marks
What steps are taken for protection and conservation of natural resources?
Answer
  1. Protection and conservation of natural resources is necessary to protect the natural world. (CNRM) Community Natural Resource Management has been promoted in recent years for biological conservation.
  2. The World Conservation Union has been formed. It is the world’s leading authority and democratic platform in conservation and sustainability.
  3. Young trees should not be cut. More and more trees need to be grown.
  4. The stringent restrictions/ laws/ Regulations regarding use of forests should be strictly followed. Awareness is being created through Mass media.
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Question 23 Marks
How did the various ages of the prehistoric period get their names on the basis of the uses of metals.
Answer
1. The three-age system in history archaeology, and physical anthropology is a methodological concept adopted during the 19th century by which artifacts and events of late prehistory and early history could be ordered into a recognizable chronology.

2. Initially developed by C. J. Thomson, director of the Royal Museum of Nordic Antiquities, Copenhagen – as a means to classify the museum’s collection according to whether the artifacts were made of stone, bronze or iron.

3. Depending-upon the use of stone, bronze, iron, that period was known as stone age, bronze age, and iron age, respectively.

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Do as instructed[3 M] - Science STD 7 Questions - Vidyadip