Kerala Syllabus Class 5 Social Science: Chapter 08 Know Our Land - Questions and Answers | Teaching Manual 


Questions and Answers for Class 5 Social Science (English Medium) നാടറിയാം | Text Books Solution Social Science (English Medium) Chapter 08 Know Our Land - Teaching Manual | Teachers Handbook
ഈ അധ്യായത്തിന്റെ Teachers Handbook, Teaching Manual എന്നിവ ഡൗൺലോഡ് ചെയ്യാനുള്ള ലിങ്ക് ചോദ്യോത്തരങ്ങളുടെ അവസാനം നൽകിയിട്ടുണ്ട്.

ഈ ബ്ലോഗ് അഡ്‌മിൻറെ രേഖാമൂലമുള്ള അനുമതിയില്ലാതെ ഈ ബ്ലോഗിൽ നൽകിയിരിക്കുന്ന ചോദ്യോത്തരങ്ങൾ ഇതേരീതിയിലോ പി.ഡി.എഫ് രൂപത്തിലോ, മറ്റേതെങ്കിലും ഡിജിറ്റലോ, പ്രിന്റഡ് ഉൾപ്പെടെയുള്ള ഏതെങ്കിലും രൂപങ്ങളിലേക്കോ മാറ്റി മറ്റൊരു വെബ്സൈറ്റിലോ, ബ്ലോഗിലോ, യുട്യൂബ്, സോഷ്യൽ മീഡിയാ ഗ്രൂപ്പുകളിലോ ഉൾപ്പെടെ ഒരിടത്തും പ്രചരിപ്പിക്കാൻ പാടില്ലാത്തതാകുന്നു.

Std 5: Social Science Chapter 07: Know Our Land - Questions and Answers
♦ Now, let us observe the outline of a Grama Panchayat in Kerala. 
♦ Vaniyamkulam has a physiography consisting of hills and plains. Which is the major river seen in the outline?
Bharathapuzha 
(Bharathapuzha flows along the southern border of Vaniyamkulam Grama Panchayat.)

♦ Find out the major mode of transport that runs parallel to Bharathapuzha. 
Railway

♦ How does Bharathapuzha influence the agriculture, food habits, transport, etc. of the people in Vaniyamkulam Grama Panchayat? Discuss.
• The fertile soil on the banks of Bharathapuzha is suitable for agriculture
• Most of the areas of the panchayat are the catchment areas of Bharathapuzha. • The river is used for water transport and fishing.
• The fertile soil along the banks of the river contributes to agricultural prosperity.

♦ Observe the map and find out the following. List them in your notebook.
● Three physiographical divisions of Kerala
• Highland
• Midland
• Coastal Area

● Altitude of each physiographic division from the sea level.
• Highland - above 75 meter
• Midland - between 7.5 meter and 75 meter
• Coastal Area - between 7.5 meter and 75 meter

● Physiographical division of Kerala which is adjacent to the Lakshadweep Sea
Coastal Area

● Physiographical area of Kerala which lies along the state borders of Tamil Nadu and Karnataka
Highland 

♦ Write a note on the physiography of Kerala.
• Highland
It is a physiographical section that is located at about 75 meters above sea level and includes hills, mountains, and peaks. Highland is a region that receives heavy rainfall and is generally full of greenery. All the 44 rivers of Kerala originate from the Highlands.

• Midland
Midland is a physiographic division located between the highlands and the coastal
region. The altitude of this area ranges from 7.5 meters to 75 meters above sea level. The midland is characterised by hillocks, valleys, and river banks.

• Coastal Area
This is a landscape that is adjacent to the Lakshadweep Sea. Located close to the coastal region, this area has an altitude up to 7.5 meters above sea level.

♦ Place a tracing paper over the given political map and draw the districts. Then superimpose tracing paper properly on the physiographical map of Kerala in Figure 2 (Page 136) and find the following.
● Physiographic divisions consisting of each district
Highland, Midland, Coastal Area

● Districts with coastal areas
Thiruvananthapuram, Kollam, Alappuzha, Ernakulam, Thrissur, Malappuram, Kozhikode, Kannur, Kasaragod 

● Districts comprising all three physiographic categories
Thiruvananthapuram, Kollam, Ernakulam, Thrissur, Malappuram, Kannur, Kasaragod 
♦ What are the two main rainy seasons in Kerala?
• Southwest Monsoon or Kālavarsham
• Northeast Monsoon or Thulāvarsham

♦ Kerala receives most of the rainfall during which rainy season?
Southwest monsoon.

♦ How is soil formed?
• The process of weathering of rock to form soil takes a long time. 
• Topography, climate, rock structure and age, the activity of plants, animals, and other microorganisms contribute to soil formation. 
• It is estimated that it takes more than a thousand years for the formation of soil of one-inch thickness.

♦ What are the main soil types in Kerala?
• Laterite Soil
• Greyish Onattukara soil
• Red Soil 
• Alluvial Soil 
• Forest Soil 
• Black Soil  
• Peat Soil 

♦ Collect more information about important types of soil with the help of the teacher, make notes, and present them in the class.
• Laterite Soil
This is the most common type of soil in Kerala. These soils are more acidic. It becomes sticky when wet and hard when exposed to sunlight. Cultivation should be done by adding lime. Suitable for coconut, banana, black pepper, cashew, tapioca and palm.

• Greyish Onattukara Soil
Ash colour soil, low in organic matter and high in salinity. Paddy can be grown in the low-lands and coconuts and tubers in the up-land areas.

• Red soil
It is mostly found in Thiruvananthapuram and Neyyatinkara areas of Kerala. Red color is seen due to high iron content. Coconut, banana, pepper, cashew and vegetables can be cultivated with balanced fertilization.

• Alluvial Soil
Found on river banks. Fertilization is high as new silt is deposited after flooding. Mostly seen in the vicinity of Vembanad backwater. Rice, coconut, banana and vegetables can be cultivated in fertile loam soil.

• Forest Soil
Twenty-five percent of Kerala's total land area is forest soil. It contains acidity, organic matter and nitrogen. Forest soil is lost through soil erosion due to deforestation.

• Black Soil
Black Soil is found only in the Chittoor taluk of Palakkad district in Kerala. It swells when wet and cracks in summer. Suitable for crops like cotton, sugarcane and groundnut.

• Peat soil
This type of soil found in wetland areas of Kerala. It is suitable for the growth of mangroves.

♦ Observe the pictures. 
Illustrations given are situations in which the unique characteristics of soil are adversely affected. Find out and enlist more such contexts.
• Application of excessive fertilizer and pesticide
• Plastic waste in soil
• Unscientific mining
• Unscientific agricultural practices
• Deforestation
• Continuous farming
• Destruction of hills
• Unscientific construction and quarrying.

♦ What are the measures that can be adopted for the conservation of soil?
• Mangroves
• Coir Geotextiles 
• Stone wall fence 
• Terrace farming
• Construction of Pulimuttu
• Afforestation
• Crop rotation
• Sloping land cut into different layers
• Construction of check dams
♦ What are the sources of water on earth?
• Rivers
• Springs
• Ponds
• Lakes
• Wetlands

♦ Classify and list the rivers of Kerala as east-flowing and west-flowing. 
● East-flowing Rivers:
• Kabini
• Bhavani
• Pambar
● West-flowing Rivers:
• Periyar
• Bharathapuzha
• Pamba
• Chaliyar
• Chalakudy
• Kadalundipuzha
• Achankoil River
• Kallada River
• Muvattupuzha
• Valapattanam
• Chandragiri Rive
• Manimala River
• Vamanapuram
• Kuppam River 
• Meenachil
• Kuttiady
• Karamana River 
• Shiriya River 
• Kariangode River
• Ithikkara River 
• Neyyar River 
• Mahe River
• Keecheri River
• Perumba River 
• Uppala River 
• Karuvannur River 
• Anjarakandy River 
• Tirur River 
• Neeleshwaram River 
• Pallikkal River
• Kallayi River
• Korapuzha River 
• Mogral River 
• Kavvayi River
• Thanikkudam River 
• Thalassery River 
• Mamam river 
• Chithari River 
• Ramapuram River 
• Ayiroor River 
• Manjeswaram River 

♦ Write the methods of water conservation 
• rain pits 
• rainwater harvesting
• bunds 
• mulching
• Mud walls
• Sloping land cut into different layers
• Preparing basins around trees
• Rainwater storage tank
• Rainwater into wells
• Silpaulin water storage tank

♦ Under what conditions do water sources become polluted?
• Washing vehicles and bathing cattle in the river.
• Throwing plastic wastes into water sources.
• Dumping waste materials from fish and meat markets.
• Dumping waste from factories.
• Water from sewage.
• Spraying pesticides in agricultural fields 

♦ Name the various schemes implemented by the government to protect and maintain the existing water sources. 
 Project  Implementation
 Ini Njan Ozhukatte  Haritha Keralam Mission 
 Malinya Mukatham Navakeralam  Department of Local Self-Government 
 Thelineerozhukum Navakeralam  Department of Local Self-Government
 Jal Jeevan Mission Government of India

♦ List out the major crops of highland, midland, and coastal regions.
● Highland 
The cold climate experienced due to the high altitude above sea level and the sloping topography create a favourable condition for the cultivation of crops like tea, cardamom, coffee, pepper, etc. in the highland region.

● Midland
The topography and soil characteristics contribute to the crop diversity in the midland. Along with tubers such as tapioca, colocasia, and yams, banana as well as rubber cultivation are widespread in the midlands.

● Coastal region
The presence of alluvial soil in the coastal area is suitable for paddy cultivation. The saline soil here is favourable for the abundant growth of coconuts. The backwaters are used for fish farming.
♦ Which state has the largest producer of rubber in India?
Kerala

♦ Identify and complete the list with the essential factors that come together to ensure the agricultural prosperity of an area?
• Suitable topography 
• Fertile soil
• Climate
• Irrigation facilities
• Altitude from sea level
• Rainfall

♦ Name the festivals in Kerala associated with harvest.
• Onam 
• Vishu 
• Ponkal 
• Niraputhari

♦ Name the festivals in Kerala related to weather and topography 
• Boat races
• Bull-race 

♦ What are the employments prevalent in your area?
• Agriculture
• Fish farming
• Poultry farming
• Duck farming
• Cattle rearing
• Honey collection
• Rubber tapping
• Coir Industry

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♦ Observe the images given below.
♦ List out the employments mentioned in the picture in tune with appropriate physiographical divisions.
 Physiographical Division Employment
 Highland Tea, Rubber
 Midland  Rubber, Pottery, Paddy cultivation
 Coastal area  Fishing, Paddy cultivation,
Coconut husk processing 

♦ List the natural disasters that affect life, property, and the environment.
• Cyclone 
• Wildfire 
• Flood
• Landslide
• Tsunami
• Earthquake
♦ What are natural disasters?
Natural disasters are natural phenomena that endanger life, property, and the environment. 

♦ Watch the news collage.
♦ What did you understand from this news collage?
The news collage given shows how Kerala faced the 2018 flood. Kerala joined hands for relief and rescue operations. As a result of the joint efforts of various government departments, voluntary organisations, the youth, traders and fishermen, the severity of this major natural disaster has been mitigated.

♦ What precautions should people living in high-risk areas of flood take? 
• Give swimming practice
• Provide life jacket 
• Establish disaster warning systems.

♦ How to carry out rescue operations in case of disaster? 
• Establish disaster warning systems.
• Equipment provided for relief and rescue operations 
• Ensure the service of trained volunteers in each case.
• Ensure rehabilitation




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