{"id":16814,"date":"2022-01-21T14:38:53","date_gmt":"2022-01-21T09:08:53","guid":{"rendered":"https:\/\/apboardsolutions.com\/?p=16814"},"modified":"2023-03-30T12:37:27","modified_gmt":"2023-03-30T07:07:27","slug":"ap-7th-class-social-important-questions-1st-lesson","status":"publish","type":"post","link":"https:\/\/apboardsolutions.com\/ap-7th-class-social-important-questions-1st-lesson\/","title":{"rendered":"AP 7th Class Social Important Questions 1st Lesson The Universe and The Earth"},"content":{"rendered":"

These\u00a0AP 7th Class Social Important Questions<\/a> 1st Lesson The Universe and The Earth will help students prepare well for the exams.<\/p>\n

AP Board 7th Class Social 1st Lesson Important Questions and Answers The Universe and The Earth<\/h2>\n

Question 1.
\nDefine Universe.
\nAnswer:
\nThe Universe is a vast space that contains many unimaginable elements.<\/p>\n

Question 2.
\nWhat is Astronomy?
\nAnswer:
\nThe science that studies the Universe is called Astronomy.<\/p>\n

Question 3.
\nWhat is the another name to astronomy in Russian Languahge?
\nAnswer:
\nAstronomy is called Cosmology in the Russian language.<\/p>\n

Question 4.
\nWho discovered telescope?
\nAnswer:
\nGalileo discovered telescope.<\/p>\n

\"AP<\/p>\n

Question 5.
\nThe word Universe is derived from
\nAnswer:
\nThe word Universe is originated from the Latin word “universum ” which means all matter and all space.<\/p>\n

Question 6.
\nWho is an Astronomer?
\nAnswer:
\nAn astronomer is a scientist who studies the stars, planets and other natural objects in space.<\/p>\n

Question 7.
\nWhat is Big Bang Theory?
\nAnswer:
\nThe Big Bang is how astronomers explain the way the Universe began.<\/p>\n

It is the idea that the Universe began as just a single point, then expanded and stretched to grow as large as it is right now – and it is still stretching.<\/p>\n

Question 8.
\nAccording to Astronomers, how many galaxies are there in the Universe?
\nAnswer:
\nAt least 125 billion Galaxies are there in the Universe.<\/p>\n

Question 9.
\nWhat is Light year?
\nAnswer:
\nA light year is a unit of distance.<\/p>\n

Question 10.
\nWhat is Solar system?
\nAnswer:
\nThe Sun, the Moon, the Eight planets, Satellites, Comets, Asteroids and Meteoroids are joined together known as Solar system.<\/p>\n

Question 11.
\nMention the theories about the origin of the Solar system.
\nAnswer:
\nThere are many theories about the origin of the Solar system.<\/p>\n

Some of them are :<\/p>\n

    \n
  1. Geocentric theory<\/li>\n
  2. Heliocentric theory.<\/li>\n<\/ol>\n

    \"AP<\/p>\n

    Question 12.
    \nWhat is Environment?
    \nAnswer:
    \nAn environment is a natural system that works with all living and non-living things including plants, animals and micro-organisms in an area.<\/p>\n

    Question 13.
    \nWhat is Natural environment?
    \nAnswer:
    \nThe Natural environment is comprising of land, water, air, living organisms like plants and animals.<\/p>\n

    Question 14.
    \nWhat are the components of Environment?
    \nAnswer:
    \nNatural, Human and Manmade are the components of Environment.<\/p>\n

    Question 15.
    \nWhat are the layers of the Earth?
    \nAnswer:
    \nThe Earth consists of three layers.
    \nThey are named as follows :<\/p>\n

      \n
    1. Crust<\/li>\n
    2. Mantle<\/li>\n
    3. Core.<\/li>\n<\/ol>\n

      Question 16.
      \nDefine Hydrosphere.
      \nAnswer:
      \nAll the water bodies present on the Earth’s surface are collectively known as Hydrosphere.<\/p>\n

      Question 17.
      \nWhich is known as Watery Planet?
      \nAnswer:
      \nThe Earth is known as Watery planet.<\/p>\n

      Question 18.
      \nWhen do we celebrate “World Water Day”?
      \nAnswer:
      \nWe celebrate World Water Day every year on March 22nd.<\/p>\n

      Question 19.
      \nDefine Atmosphere.
      \nAnswer:
      \nThe thick envelop of air surrounding the Earth is called Atmosphere.<\/p>\n

      \"AP<\/p>\n

      Question 20.
      \nWhen do we celebrate World Ozone Day?
      \nAnswer:
      \nWe celebrate World Ozone Day on September 16th every year.<\/p>\n

      Question 21.
      \nIn to how many layers the atmosphere is divided?
      \nAnswer:
      \nThe atmosphere is usually divided into five layers.<\/p>\n

      They are Troposhere, Stratosphere, Mesosphere, Thermosphere and Exosphere.<\/p>\n

      Question 22.
      \nDefine Biosphere.
      \nAnswer:
      \nBiosphere is an environment where animals, microorganisms, Humans and plants live together.<\/p>\n

      Question 23.
      \nWhat is meant by Human environment?
      \nAnswer:
      \nOur surroundings which are formed with human beings are called Human environment.<\/p>\n

      Question 24.
      \nWhat is meant by Man-made environment?
      \nAnswer:
      \nOursurroundings which are made by the human beings are called Man-made environment.<\/p>\n

      Question 25.
      \nWhat is Pollution?
      \nAnswer:
      \nAddition of various impurities to the environment is pollution.<\/p>\n

      Question 26.
      \nWhat are the factors of Pollution?
      \nAnswer:
      \nAsh, salt particles, smoke, acid rain, fuel consumption, industrial dust, CFC, etc.<\/p>\n

      Question 27.
      \nWhat is a Disaster?
      \nAnswer:
      \nDisaster is a serious disruption that occurs in the short or long term, causing extensive human, physical, economic or environmental damage that exceeds the ability of the affected community to use its own resources.<\/p>\n

      Question 28.
      \nMention the types of disasters.
      \nAnswer:<\/p>\n

        \n
      1. Natural Disaster.<\/li>\n
      2. Man-made Disaster.<\/li>\n<\/ol>\n

        Question 29.
        \nDefine Disaster Management.
        \nAnswer:
        \nDisaster management is the continuous and comprehensive process of planning managing and implementing necessary or useful measures to prevent any risk or threat.<\/p>\n

        AP Board 7th Class Social 1st Lesson 1 Mark Bits Questions and Answers The Universe and The Earth<\/h3>\n

        I. Multiple Choice Questions<\/span><\/p>\n

        1. Which is the third planet in the Solar system?
        \nA) Earth
        \nB) Mars
        \nC) Jupiter
        \nD) Venus
        \nAnswer:
        \nA) Earth<\/p>\n

        2. Telescope was invented by
        \nA) Copernicus
        \nB) Thomas More
        \nC) Galileo
        \nD) Ptolemy
        \nAnswer:
        \nC) Galileo<\/p>\n

        3. Big Bang Theory was proposed by
        \nA) Galileo
        \nB) Georges Lemaitre
        \nC) Aryabhatta
        \nD) Ptolemy
        \nAnswer:
        \nB) Georges Lemaitre<\/p>\n

        \"AP<\/p>\n

        4. The distance from one edge of the Galaxy to the other is ………… light years.
        \nA) 1 lakh
        \nB) 1 lakh 50
        \nC) 1 lakh 35
        \nD) 1 lakh 20
        \nAnswer:
        \nD) 1 lakh 20<\/p>\n

        5. The solid part of the Earth is called …………
        \nA) Biosphere
        \nB) Lithosphere
        \nC) Hydrosphere
        \nD) Atmosphere
        \nAnswer:
        \nB) Lithosphere<\/p>\n

        6. World Earth Day is celebrated on …………….
        \nA) 22nd<\/sup> April
        \nB) 24th<\/sup> April
        \nC) 23rd<\/sup> June
        \nD) 21st<\/sup> June
        \nAnswer:
        \nA) 22nd<\/sup> April<\/p>\n

        7. About 2\/3rd of the Earth’s surface is covered by
        \nA) Lithosphere
        \nB) Hydrosphere
        \nC) Atmosphere
        \nD) Biosphere
        \nAnswer:
        \nB) Hydrosphere<\/p>\n

        8. The word “Biosphere” originates from the …………… word ‘Bios’
        \nA) Greek
        \nB) Latin
        \nC) English
        \nD) Spanish
        \nAnswer:
        \nB) Hydrosphere<\/p>\n

        9. Which is the third layer of the interior of the Earth?
        \ni) Mantle
        \nii) Inner core
        \niii) Outer core
        \niv) Crust
        \nA) (i)
        \nB) (ii)
        \nC) (i) & (ii)
        \nD) (iv)
        \nAnswer:
        \nC) (i) & (ii)<\/p>\n

        10. The number of planets in the solar system is
        \nA) 5
        \nB) 7
        \nC) 8
        \nD) 9
        \nAnswer:
        \nC) 8<\/p>\n

        11. Astronomy is the study of the …………..
        \nA) Universe
        \nB) Aeronauts
        \nC) Technology
        \nD) All the above
        \nAnswer:
        \nA) Universe<\/p>\n

        \"AP<\/p>\n

        12. Find the odd one out
        \nA) Asteroids
        \nB) Jupiter
        \nC) Comets
        \nD) Satellites
        \nAnswer:
        \nB) Jupiter<\/p>\n

        13. Geocentric Theory was proposed by
        \nA) Varahamihira
        \nB) Aryabhata
        \nC) Brahmagupta
        \nD) Ptolemy
        \nAnswer:
        \nD) Ptolemy<\/p>\n

        14. Copernicus proposed this theory
        \nA) Heliocentric
        \nB) Geocentric
        \nC) Bing Bang
        \nD) All the above
        \nAnswer:
        \nA) Heliocentric<\/p>\n

        15. The Solar System is located in this galaxy
        \nA) Andromeda
        \nB) The Milkway
        \nC) Cygnus A
        \nD) Virgo A
        \nAnswer:
        \nB) The Milkway<\/p>\n

        16. The Hydrosphere on the Earth is
        \nA) 77%
        \nB) 99%
        \nC) 71%
        \nD) 98%
        \nAnswer:
        \nC) 71%<\/p>\n

        17. This is the loss due to the natural disasters
        \nA) Loss of life
        \nB) Property damage
        \nC) Environmental damage
        \nD) All the above.
        \nAnswer:
        \nD) All the above.<\/p>\n

        18. A drought is a situation of prolonged shortage of …………
        \nA) Water supply
        \nB) Money flow
        \nC) Both A and B
        \nD) None
        \nAnswer:
        \nA) Water supply<\/p>\n

        19. This is not a way to conserve natural resource …………..
        \nA) Increasing the use of natural gas
        \nB) Alternatives to non-renewable resources
        \nC) Increasing the use of bio-fuels
        \nD) None of the above
        \nAnswer:
        \nA) Increasing the use of natural gas<\/p>\n

        \"AP<\/p>\n

        20. This is one of the cause of water pollution ………………
        \nA) Bio-fertilizers
        \nB) Plantations
        \nC) Industrial effluents
        \nD) All the above
        \nAnswer:
        \nC) Industrial effluents<\/p>\n

        21. Air pollution causes
        \nA) Global warming
        \nB) Acid rains
        \nC) Respiratory health problems
        \nD) All the above
        \nAnswer:
        \nD) All the above<\/p>\n

        22. The environment where microorganisms live
        \nA) Biosphere
        \nB) Exosphere
        \nC) Stratosphere
        \nD) Ionosphere
        \nAnswer:
        \nA) Biosphere<\/p>\n

        23. Arrange the following from top to bottom
        \n1. Troposphere
        \n2. Stratosphere
        \n3. Mesosphere
        \n4. Exosphere
        \nA) 2-1-3-4
        \nB) 1-2-3-4
        \nC) 4-3-2-1
        \nD) 3-2-4-1
        \nAnswer:
        \nB) 1-2-3-4<\/p>\n

        24. The percentage of water useful to us
        \nA) 10%
        \nB) 21%
        \nC) 1%
        \nD) 99%
        \nAnswer:
        \nC) 1%<\/p>\n

        25. The crust is in this layer
        \nA) Troposphere
        \nB) Mesosphere
        \nC) Stratosphere
        \nD) Exosphere
        \nAnswer:
        \nA) Troposphere<\/p>\n

        \"AP<\/p>\n

        26. The word ‘spharia’ is derived from this language
        \nA) French
        \nB) Greek
        \nC) Latin
        \nD) English
        \nAnswer:
        \nB) Greek<\/p>\n

        II. Intext – Bits – Fill in the Blanks<\/span><\/p>\n

        1. The Science that studies the Universe is called ……………..
        \n2. Scientific research in astronomy began with the Italian astronomer named …………….. .
        \n3. The Big Bang Theory was first proposed by a Belgian astronomer named …………….. .
        \n4. The word Universe is originated from the Latin word …………….. .
        \n5. The Universe is expanding about …………….. km per second.
        \n6. ………….. is a unit of distance.
        \n7. Light moves at a velocity of above …………….. km per second.
        \n8. According to Astronomers, at least billion Galaxies are there in the Universe.
        \n9. …………….. is made up of the Sun and the eight Planets.
        \n10. Scientists estimated that our Solar System was formed about …………….. years ago.
        \n11. Geocentric theory Was proposed by an Egyptian astronomer named …………….. .
        \n12. Heliocentric theory was proposed by the Polish astronomer named …………….. .
        \n13. Every year we celebrate …………….. as ‘World Environment Day’.
        \n14. The solid part of the Earth is called …………….. .
        \n15. ‘World Earth Day’ is celebrated on …………….. .
        \n16. ‘World Water Day’ is celebrated on …………….. .
        \n17. All the water bodies present on the Earth’s surface are collectively known as …………….. .
        \n18. The thick envelope of air surrounding the Earth is called …………….. .
        \n19. ‘World Ozone Day’is celebrated on …………….. .
        \n20. The atmosphere is a mixture of several …………….. .
        \n21. Our surroundings which are formed with human beings are called …………….. .
        \n22. Our surroundings which are made by the human beings are Called …………….. .
        \n23. The Nigrogen % in the atmosphere is …………….. .
        \n24. …………….. % of oxygen is in the atmosphere.
        \n25. For the first time, disaster management was defined as a development issue in the …………………..
        \n26. …………….. is a situation of prolonged shortage of water supply, whether surface water or ground water.
        \n27. One examp’e for man-made-environment …………….. .
        \n28. …………….. helps the plants in the photosynthesis process.
        \n29. The atmosphere is usually divided into …………….. layers.
        \n30. The 99% of water is in the form of …………….. .
        \n31. The third layer …………….. is the interior of the earth.
        \n32. The topmost layer of the earth is …………….. .
        \n33. Nicolaus copernicus is a …………….. astronomer.
        \n34. Ptolemy is a …………….. astronomer.
        \n35. Georges Lemaitre is a …………….. astronomer.
        \nAnswer:<\/p>\n

          \n
        1. Astronomy<\/li>\n
        2. Galileo<\/li>\n
        3. Georges Lemaitre<\/li>\n
        4. Universum<\/li>\n
        5. 70 kms<\/li>\n
        6. A light – year<\/li>\n
        7. 3,00,000<\/li>\n
        8. 125<\/li>\n
        9. Solar System<\/li>\n
        10. 4.6 billion<\/li>\n
        11. Ptolemy<\/li>\n
        12. Nicolaus Copernicus<\/li>\n
        13. On June 5th<\/sup><\/li>\n
        14. Lithosphere<\/li>\n
        15. April 22nd<\/sup><\/li>\n
        16. March 22nd<\/sup><\/li>\n
        17. Hydrosphere<\/li>\n
        18. Atmosphere<\/li>\n
        19. September 16th<\/sup><\/li>\n
        20. gases<\/li>\n
        21. Human environment<\/li>\n
        22. Man-made environment.<\/li>\n
        23. 78%<\/li>\n
        24. 21%<\/li>\n
        25. Tenth Five year plan<\/li>\n
        26. Drought<\/li>\n
        27. Parks<\/li>\n
        28. Carbondioxide<\/li>\n
        29. 5<\/li>\n
        30. ice, saline water<\/li>\n
        31. Core<\/li>\n
        32. Crust<\/li>\n
        33. Polish Astronomer<\/li>\n
        34. Egyptian Astronomer<\/li>\n
        35. Belgian<\/li>\n<\/ol>\n

          III. Match the following<\/span>
          \n1.<\/p>\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Big Bang Theory<\/td>\nA) Nicolaus Copernicus<\/td>\n<\/tr>\n
          2. Geo Centric Theory<\/td>\nB) Georges Lemaitre<\/td>\n<\/tr>\n
          3. Helio Centric Theory<\/td>\nC) Ptolemy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Answer:<\/p>\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Big Bang Theory<\/td>\nB) Georges Lemaitre<\/td>\n<\/tr>\n
          2. Geo Centric Theory<\/td>\nC) Ptolemy<\/td>\n<\/tr>\n
          3. Helio Centric Theory<\/td>\nA) Nicolaus Copernicus<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          2.<\/p>\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. World Environment Day<\/td>\nA) April 22 nd<\/sup><\/td>\n<\/tr>\n
          2. World Earth Day<\/td>\nB) September 16 th<\/sup><\/td>\n<\/tr>\n
          3. World Water Day<\/td>\nC) June 5th<\/sup><\/td>\n<\/tr>\n
          4. World Ozone Day<\/td>\nD) March 22nd<\/sup><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Answer:<\/p>\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. World Environment Day<\/td>\nC) June 5 th<\/sup><\/td>\n<\/tr>\n
          2. World Earth Day<\/td>\nA) April 22 nd<\/sup><\/td>\n<\/tr>\n
          3. World Water Day<\/td>\nD) March 22nd<\/sup><\/td>\n<\/tr>\n
          4. World Ozone Day<\/td>\nB) September 16 th<\/sup><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          3.<\/p>\n\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Lithos<\/td>\nA) Water<\/td>\n<\/tr>\n
          2. Atmos<\/td>\nB) Land<\/td>\n<\/tr>\n
          3. Hydro<\/td>\nC) Life<\/td>\n<\/tr>\n
          4. Bios<\/td>\nD) Living and Non-living organisms<\/td>\n<\/tr>\n
          5. Environment<\/td>\nE) Vapour<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Answer:<\/p>\n\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Lithos<\/td>\nB) Land<\/td>\n<\/tr>\n
          2. Atmos<\/td>\nE) Vapour<\/td>\n<\/tr>\n
          3. Hydro<\/td>\nA) Water<\/td>\n<\/tr>\n
          4. Bios<\/td>\nC) Life<\/td>\n<\/tr>\n
          5. Environment<\/td>\nD) Living and Non-living organisms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          4.<\/p>\n\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Oxygen<\/td>\nA) 78%<\/td>\n<\/tr>\n
          2. Nitrogen<\/td>\nB) 0.03%<\/td>\n<\/tr>\n
          3. Argon<\/td>\nC) 21%<\/td>\n<\/tr>\n
          4. Carbon dioxide<\/td>\nD) 0.93%<\/td>\n<\/tr>\n
          5. All others<\/td>\nE) 0.04%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Answer:<\/p>\n\n\n\n\n\n\n\n\n
          Group-A<\/td>\nGroup-B<\/td>\n<\/tr>\n
          1. Oxygen<\/td>\nC) 21%<\/td>\n<\/tr>\n
          2. Nitrogen<\/td>\nA) 78%<\/td>\n<\/tr>\n
          3. Argon<\/td>\nD) 0.93%<\/td>\n<\/tr>\n
          4. Carbon dioxide<\/td>\nB) 0.03%<\/td>\n<\/tr>\n
          5. All others<\/td>\nE) 0.04%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

          These\u00a0AP 7th Class Social Important Questions 1st Lesson The Universe and The Earth will help students prepare well for the exams. AP Board 7th Class Social 1st Lesson Important Questions and Answers The Universe and The Earth Question 1. Define Universe. Answer: The Universe is a vast space that contains many unimaginable elements. Question 2. … Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":38417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"https:\/\/apboardsolutions.com\/wp-content\/uploads\/2022\/01\/1st-Lesson-The-Universe-and-The-Earth-1.png","_links":{"self":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/16814"}],"collection":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/comments?post=16814"}],"version-history":[{"count":1,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/16814\/revisions"}],"predecessor-version":[{"id":16815,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/16814\/revisions\/16815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/media\/38417"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/media?parent=16814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/categories?post=16814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/tags?post=16814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}