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Science and Technology

Maharashtra Board · Class 9 · History and Political Science

Quick revision notes for Science and Technology — Maharashtra Board Class 9 History and Political Science. Key concepts, formulas, and definitions for last-minute revision.

45 questions25 flashcards5 concepts

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Key Topics to Revise

1

Indian Atomic Energy Commission and Nuclear Development

  • Indian Atomic Energy Commission established on 10th August 1948 by Pandit Nehru with Dr. Homi Bhabha as first Chairman
  • Objectives: produce electricity from atomic energy, increase food grain yield, develop nanotechnology
  • Apsara nuclear reactor set up in 1956 by Department of Atomic Energy
2

Nuclear Tests

  • First nuclear test at Pokharan, Rajasthan on 18th May 1974
  • Decision taken by PM Indira Gandhi for peaceful purposes and self-sufficiency
  • Reasons: China's nuclear capability and Pakistan's efforts to acquire nuclear weapons
3

Missile Development Program

  • Prithvi missile successfully tested in 1988, Agni in 1989
  • Integrated Guided Missile Development Programme (IGMDP) under Dr. A.P.J. Abdul Kalam
  • Defence Research and Development Organisation (DRDO) established in 1958
4

Space Research and ISRO

  • Indian National Committee for Space Research (NCSR) launched first rocket from Thumba in 1961
  • Rohini-75 rocket successfully launched in 1967 (indigenously built)
  • Aryabhatta - first Indian satellite launched in 1975 with Soviet help

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Key Concepts

Established by Nehru with DrFirst test conducted on May 18Led by DrEstablished in 1969 with headquartersIntroduction of telex service (1963)

Frequently Asked Questions

What are the important topics in Science and Technology for Maharashtra Board Class 9 History and Political Science?
Science and Technology covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Science and Technology — Maharashtra Board Class 9 History and Political Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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