Maharashtra Board Class 8 Solutions Geography
Maharashtra Board Class 8 Important Question Chapter wise Download at here. Maharashtra Board Class 8 for Geography. Maha Board Class 8th Textbook Geography.
Maha Board Class 8th Geography Textbook All Questions. Maharashtra State Bureau of Textbook Production and Curriculum Research Geography Book Class 8.
Book Type |
Text Book |
Class |
8th |
Medium |
English |
Subjects |
Geography |
GEOGRAPHY
CHAPTER – 1 – Local Time and Standard Time
(1) Complete the sentence by selecting the correct option:
(a) The earth requires 24 hours for one rotation. In one hour,
(i) 5 longitudes will face the sun
(ii) 10 longitudes will face the sun
(iii) 15 longitudes will face the sun
(iv) 20 longitudes will face the sun
(b) To calculate the difference between the local times of any two places on the earth,
(i) the noon time at both the places should be known
(ii) the difference in degrees of their longitudes should be known
(iii) the difference in standard times of both the places should be known
(iv) Changes need to be made according to International Date Line
(c) The difference between the local time of any two consecutive longitudes is
(i) 15 minutes
(ii) 04 minutes
(iii) 30 minutes
(iv) 60 minutes
(2) Give geographical reasons:
(a) The local time is decided by the noon time.
(b) The local time at Greenwich is considered to be the international standard time.
(c) The standard time of India has been decided by the local time at 82.5° E longitude.
(d) Canada has 6 different standard times.
(3) Answer in brief:
(a) If it is 12 noon at 60°E longitude, then explain what would be the time at 30° W longitude?
(b) How is the standard time of a place determined?
(c) A football match being played at Sao Paulo, Brazil started in India at 6 am IST. Explain what would be the local time at Sao Paulo?
CHAPTER – 2 – INTERIOR OF THE EARTH
(1) Tell whether right or wrong. Correct the wrong statement
(A) The density of various materials is not the same in the interior of the earth.
(B) The core of the earth’s interior is made up of hard rock
(C) Secondary waves cannot pass through outer core.
(D) Continental crust is made up of silica and magnesium
(3) Answer the following
(A) What are the two parts of the crust? What is the basis of classification?
(B) Why is the upper mantle called the asthenosphere?
(C) Magnetosphere of the earth is a result of rotation. Explain.
(4) Draw neat diagrams, label them and explain.
(A) The interior of the earth
(B) Magnetic pole and equator
(5) Give geographical reasons:
(A) There are discontinuities in the interior of the earth.
(B) There is correlation between the density of metals and their location in the interior of the earth.
(C) Mantle is the centre of earthquake and volcanic eruptions.
(D) The thickness of the crust below the continents is less as compared to oceans.
(E) Earth is protected because of the magnetosphere.
CHAPTER – 3 – HUMIDITY AND CLOUDS
(1) Choose the correct word from the brackets and complete the sentence:
(Cumulonimbus, Relative humidity, Absolute humidity, Condensation, Vapour-holding capacity)
(a) The ———— of air is dependent on the temperature of air.
(b) The amount of vapour in 1 cu.m. of air shows the ———————–.
(c) As ——————– is less in desert areas, the air is dry there.
(d) —————–type of clouds are indicators of storm
(e) In a free environment, the ————— of the vapour present in the atmosphere takes place around dust particles.
(2) Differentiate between:
(a) Humidity and clouds
(b) Relative humidity and Absolute humidity
(c) Cumulus clouds and cumulonimbus clouds
(3) Answer the following questions:
(a) Why is the air in a region dry?
(b) How is humidity measured?
(c) What are the prerequisites for condensation?
(d) What is a cloud? Write its types.
(e) Which type of clouds give rain?
(f) On what does the percentage of relative humidity depend?
(4) Give geographical reasons:
(a) Clouds float in the sky.
(b) The proportion of relative humidity changes according to altitude.
(c) Air becomes saturated.
(d) Cumulus clouds change into cumulonimbus clouds
(5) Solve the following:
(a) When the temperature of the air is 30° C, its vapour-holding capacity is 30.37 gms/ cu.m. If absolute humidity is 18 gms / cu.m. then what would be the relative humidity?
(b) What would be the absolute humidity of air if 1 cu.m. air contains 4.08 gms of vapour at 0°C temperature?
(6) Collect the weather related information from newspapers for the month of July. Relate the difference in the maximum and minimum temperatures with humidity.
CHAPTER – 4 – STUCTURE OF OCEAN FLOOR
(1) Choose the correct option:
(a) Like there are landforms on land, ocean floor also has submerged landforms because ……
(i) There is land under water
(ii) There are volcanoes under water
(iii) Land is continuous and there is water in deeper parts.
(iv) Though land is continuous, its level is not the same everywhere like that of water .
(b) Which part of the ocean floor is most useful to the man ?
(i) Continental shelf
(ii) Continental slope
(iii) Abyssal plains
(iv) Marine deeps
(c) Which one of the following option is related to marine deposits?
(i) Rivers, glaciers, remains of plants and animals
(ii) Volcanic ash, continental shelf, remains of plants and animals
(iii) Volcanic ash, lava, fine particles of soil
(iv) Volcanic ash, remains of plants and animals, abyssal plains
(2) Give geographical reasons:
(a) The study of ocean floor is useful to man.
(b) The continental shelf is a paradise for fishing activity.
(c) Some marine islands are actually the peaks of sea mountains.
(d) The continental slope is considered to be the boundary of continents.
(e) The disposal of waste materials in the oceans by man is harmful to the environment.
(3) Observe the map on Pg 27 in ‘Give it a try’ and answer the following questions:
(a) Madagascar and Sri Lanka are related to which landform of the ocean floor?
(b) Near which continent are these land forms located?
(c) Which islands in our country are examples of peaks of submerged mountains?
CHAPTER – 5 – OCEAN CURRENTS
(1) Examine the given statements and correct the wrong ones.
(a) Ocean currents give specific direction and velocity to the water
(b) The deep ocean currents flow with high velocity
(c) Generally, surface ocean currents are formed in the equatorial regions.
(d) Ocean currents hold great importance for human life.
(e) The movement of icebergs is not dangerous for water transport.
(f) Water becomes warm near Brazil due to ocean currents. On the other hand, it becomes cold near African coast.
(2) Explain the effect of –
(a) Warm ocean currents on climate
(b) Cold ocean currents on the movement of icebergs
(c) The shape of the coast line on ocean currents
(d) Meeting of warm and cold ocean currents
(e) The transportational capacity of ocean currents
(f) Deep ocean currents
(3) Look at the map of ocean currents and answer the following :
(a) How does the Humboldt current affect the climate of the South American coast?
(b) In which oceans are counter equatorial currents not observed and why?
(c) Which currents are absent in northern part of the Indian Ocean and why?
(d) In which regions do the cold and warm ocean currents meet?
(4) Answer the following questions:
(a) What are the reasons responsible for the formation of deep ocean currents?
(b) What is the reason behind the dynamics of the ocean water?
(c) How do winds give direction to the ocean currents?
(d) Why do the ports in the eastern coast of Canada freeze in winter?
CHAPTER – 6 – LAND USE
CHAPTER – 7 – POPULATION
(1) Complete the following sentences.
(A) If the birth rate is greater than the death rate then the population………..
(i) decreases
(ii) increases
(iii) remains constant
(iv) becomes surplus
(B) People of ……………age group are included in the productive population
(i) 0 to 14
(ii) 14 to 60
(iii) 15 to 60
(iv) 16 to 59
(C) The spread of modern technology in society is mostly dependant on ……
(i) Sex Ratio
(ii) Birth Rate
(iii) Literacy
(iv) Migration
(2) Examine the following statements and correct the incorrect ones.
(a) The population density of a region can be understood from its area.
(b) The quality of population is determined on the basis of literacy.
(c) There is an adverse impact on manpower in the regions of out migration.
(d) Greater economic prosperity indicates the development of a region.
(e) Developing countries have an HDI of 1.
(3) Answer in brief.
(a) What are the aspects considered in the structure of population?
(b) Prepare a list of advantageous and disadvantageous factors, affecting population distribution.
(c) What are the problems in areas of high population densities?
(d) What are the problems in area of low population densities?
(4) Give Geographical Reasons.
(a) Population is an important resource.
(b) Productive population is an important group.
(c) The study of age structures is important.
(d) Literacy is directly related to development.
(e) The real progress of a country is understood with the help of the Human Development Index.
(5) Write notes.
(A) Sex ratio
(B) Age Structure
(C) Literacy
CHAPTER – 8 – INDUSTRIES
(1) State whether the following statements are true or false. Correct the incorrect Statements.
(a) Small and medium industries of a country are harmful to heavy industries.
(b) The level of industrialization is an indiactor of the economic development of a country.
(c) The aim of the industrial development corporations is to decentralize industrialization.
(d) Corporate social responsibility is compulsory for every industrialist.
(2) Answer the following questions in three to four lines.
(a) What are the facilities provided by the government to industrial estates?
(b) Write in your own words how industrial development impacts national development.
(c) Give your opinion in short on the usefulness of Corporate Social Responsibility.
(d) Mention three features of small industries.
(3) Write detailed answers to the following questions.
(a) Explain the factors affecting industrial development.
(b) State the advantages of the Maharashtra Industrial Development Corporation.
(c) Explain the importance of the I. T. Industry.
(d) Considering India’s population, the development of industries is a good solution to the problem of unemployment Explain.
(4) Prepare a flow chart for the following statements.
(a) The journey of clothes we use from the farm to ourselves.
(b) Essential factors for the location of any one industry.
(5) Highlight the differences.
(a) Medium industries – heavy industries
(b) Agro based industries – Information Technology industries.
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