CISCE Check Point Geography Paper-5 Answers

Answers-1

a) i. The temple at settlement Sangla-9274 ii. The Surveyed tree 219-9775

b)

(i) Balaram nadi flows towards North West direction as indicated by arrow by 9880 (ii) Main river flows in Middle course Reason- • There is presence of Island • River is meandering

c)

(i) It is formed due to weathering caused by alternate high and low temperatures and wet and dry periods. It is found along the banks of a seasonal stream or river where the soil is soft. Land is sub merged due to flash floods in wet season, and rapid evaporation due to intense heat in the dry season causes weathering and causes cracking of the land.

(ii) There are intermittent stream because-

• Area has high temperature so rate of evaporation is high • Soil in that area is porous

d) (i) These are marks cut in stone or shown on a building as a permanent reference for survey purposes. They indicate the height accurately determined by surveys.

(ii) South eastern part of the map is well developed in view of transport because

CISCE Check Point Geography-10 Answers

• There is presence of Railway line[western Railway] with Railway station • There is presence of Metalled road

e) (i) Lined perennial well As there is presence of blue solid dots

(ii) Representative fraction is free of units so universally accepted scale

f) (i) Relative height of sand dunes is 16 metres from top to bottom at the given point

(ii) Occupation of people is-Animal Grazing as there is Open scrub

g)

(i) Area Scale 2cm to 1km Length-10 km Breadth-10km Area -10km x 10km=100 km sq

(ii) Scale 2 cm to 1km Map distance=8cm Ground distance=8/2=4km

h)

(i) Main religion is Hinduism Evidence-Presence of temples

(ii)Contour interval is the vertical difference between 2 consecutive contour lines Contour interval of the map is 20 metres I) General pattern of settlement is Permanent Nucleated Reason-Huts are clustered

CISCE Check Point Geography-10 Answers

Answers-2

CISCE Check Point Geography-10 Answers

Answers-3 a) (i) • During winter season, low temperature develops over landmass and a high pressure develops from central Asia to the North – West Indian plain and at the same time low pressure develops in the Indian Ocean. • As the winds blow from the high pressure area to low pressure area i.e. , land to the sea, they do not bring rain

(ii) Mango showers helps in early ripening of mangoes in Kerala. So they are beneficial local winds

(iii)

• Tamil Nadu Coast remains dry during the south – west monsoon season because it is located parallel to the Bay of Bengal branch of the south – west monsoon. • Further, it lies in the rain shadow area of the Arabian Sea branch of the south – west monsoon. b) The south west monsoon Arabian Sea branch winds bring heavy rainfall with violent thunder and lightning on Malabar coast. This sudden violent onset of the rainfall on the first week of June is termed as the ‘Burst of the Monsoon c)

• The Tropic of cancer passing through centre of India divides India into the Northern parts that lies in the temperate zone and the southern part that lies in the tropical zone. • All the places within the tropics will experience overhead sun twice during two apparent migrations of sun-Uttarrayana and Dakshinayana • Bhopal is located within the tropics so it will experience overhead sun twice. • Whereas Delhi is located above Tropic of cancer so will not experience it

CISCE Check Point Geography-10 Answers

d) Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature 24.5 25.7 27.7 20.4 30.0 32.5 31.0 30.2 29.8 28.0 25.9 24.7 (degree C )

Rainfall (cm) 4.6 1.3 1.3 1.8 3.8 4.5 8.7 11.3 11.9 30.6 35.0 13.9

i. Calculate the annual rainfall experienced by the station.-128.7cm[add rainfall of all 12 months] ii. What is the annual range of temperature?=12.1 degree C[max temp- min temp] iii. Name the wettest month-November

Answers-4 a) i. a-Name the nutrients it has-Lime and potash ii. b-Two states where it is found-Uttar Pradesh, Bihar iii. c-Three types of Alluvial soil with respect to location-Inland alluvial, Coastal alluvial, Deltaic alluvial

b) Factors that affect the process of soil formation/We find different types of soil at different places because-

• Difference in climatic conditions like temperature, rainfall • Difference in the nature of parent rock • Difference in Topography • Difference in the work of agents of erosion • Difference in Natural vegetation

c)

• Deep, Fine-grained • Clayey in nature so moisture retentive • When dry, hardens, so shrinks and develops crack so makes it self- ploughed or self-Tillable • When wet, it expands and get sticky which makes it difficult to plough • Rich in iron, lime, potash, calcium, alumina, magnesium, carbonates

CISCE Check Point Geography-10 Answers d)

i. Arid semi arid region-Shelter belts/Strip cropping ii. Slopes of Western ghats-Terrace farming/Contour ploughing iii. East Coast of India-Growing mangroves iv. Chambal Valley-Plugging gullies

Answers-5 a)

i. Sandalwood-Perfumeries & handicraft[Expensive],aromatic oil ii. Teak-Shipbuilding, furniture, railway sleeper,& bridges because the wood is strong durable termite resistant & iron nails do not rust. iii. Neem-Medicinal value and insecticide, Neem oil and leaves are used for manufacturing health and Beauty products. Cure Skin infection

b) • Provide habitat for the wild life • Forest are tourist attractions. • The forest provides homes for animals, birds, and insects. • Provide recreation to human beings through National Parks, Wildlife Sanctuaries and Biosphere reserves c) The roots prevent soil compaction and help water soak into the ground instead of flowing over its surface. Tree roots tend to grow more deeply than other plants and provide a greater resistance to erosion on hillsides than grasses and other small plants.

d) (i) Tropical forests are dark and damp because trees on the top forms canopy due to which sunlight cannot enter till the ground.

(ii) • In peninsular India, vegetation varies from tropical to temperate • This is because the area is only about 1500 m in height

CISCE Check Point Geography-10 Answers

(iii) We should maintain corridors between different reserved forests to allow migration of wild animals. This will help numerous species of animals to use these corridors for their dispersal and migration

Answers-6 a)

• Large quantity of water is not utilised • Crops are usually subjected to cyclic changes of flooding and water stress situation by providing heavy irrigation at one time and leaving the field to dry up for about 10 to 15 days. The moisture availability of crops therefore keep on changing which results in poor yield • In the field 10 to 15 percent area is utilised for preparing channels and distribution which decreases effective area of cultivation • Excessive irrigation leads to water logging and gradual building up of excessive salts which make soil unsuitable for cultivation b) Methods of water harvesting are:-

• Rainwater harvesting • Recharging of groundwater c)

(i) Advantages of canal irrigation are:-

• Can irrigate dry areas where rainfall is less. For example Agriculture in Rajasthan entirely depends on Canal irrigation[Indira Gandhi Canal] • Punjab and Haryana have become granaries of the country. Canal irrigation was the major part of Green revolution. • Canal irrigation has solved the problem of dry summers in Tamil Nadu which gets rain in winters only.

(ii) Canals are more common in Northern plains because:-

• Rivers are perennial to provide water • Area is plain with soft ground to construct canals • Large agricultural area to utilize canal

CISCE Check Point Geography-10 Answers d) Disadvantages of sprinkler irrigation is:-

• Expensive and complex machinery • It can be used to irrigate only small area • It is beneficial only for those crops which require less water

Answers-7 a) (i) Characteristics. Limonite is relatively dense with a specific gravity varying from 2.7 to 4.3. It varies in colour from a bright lemony yellow to a drab greyish brown.

(ii) Digboi is the oldest oilfield b) (i) All major coal fields are confined to Bihar, Madhya Pradesh, Orissa and West-Bengal causing heavy transport cost to distribute coal across long distances in the country. (ii) Indian coal has high ash content and low calorific value. This reduces the energy output of coal and complicates the problem of ash disposal. (iii) It is not of very good quality. (iv) It is concentrated in the region of Chhota Nagpur Platetau. c) (i)

• The Ministry of Non – Conventional Energy Sources (MNES) • Waste Recycling and Resources Recovery Programmes (WRRSE) (ii) They are renewable and therefore, inexhaustible, non-poluting, less expensive and easy to maintain. d) A number of windmills are installed in a definite pattern in clusters called wind farms. They generate a large amount of electricity.

Answers-8 a) (i)

• Tea – picking is a skilful job, requiring patience and judgement. It is usually done by women who are better pickers and can be employed at relatively cheaper rates.

CISCE Check Point Geography-10 Answers

• Two tender leaves and a bud or shoot (known as fine plucking) are usually plucked from each stem.

(ii) Assam is the largest producer of tea b)

(i) Process used to separate the fibres or lint from the seeds and the short fibres or linters which adhere to them

(ii) Cotton c)

• North-Uttar Pradesh • South-Tamil Nadu d)

• In this variety the inferior and coarser leaves, stems and tea-dust are compressed into rectangular blocks of brick tea. • Such tea is normally consumed in Russia and Tibet. Answers-9 a)

(i)Press Mud

(ii) Applications. Used as a solvent in various industries such as printing inks, perfumery, paints and coatings. ... Acting as a solvent, ethanol is useful for processing antibiotics, vaccines, tablets and pills, vitamins and a variety of medicines. b)

(i)In the field of education electronic industry provide help due to Computer system, Information technology

(ii) Petrochemical products are cheap, durable so they are growing popularity

CISCE Check Point Geography-10 Answers c)

i. First integrated plant in India which is based on the latest technology in Petrochemical field- PETROFILS COOPERATIVE LIMITED ii. Joint venture of the government of India and Weavers’ Cooperative Societies-PETROFILS COOPERATIVE LIMITED iii. Name the largest steel plant private sector – Shashi Ruia and Ravi Ruia lead the Essar Group. Ispat Industries Ltd. (IIL) has set up one of the largest integrated steel plants in the private sector in India at Dolvi in Raigad district, , with a capacity to manufacture 3 million tones per annum of Hot Rolled Steel Coils (HRC)

d) (i) Cotton textile needs raw material of cotton which is derived by agriculture so it is agro based industries.

(ii)

• TAMIL NADU-Chennai and Salem, Coimbatore and Tuticorin, Madurai • MAHARASHTRA- and Pune, Aurangabad and Kolhapur, Solapur

Answers-10 a)

(i) Water transport is not developed in South India because-

• Volume of water is less in river in hot and dry season • They are dependent on monsoon for water supply as they are rain fed • These rivers are comparatively shorter than rivers of northern India • There are number of waterfalls and rapids in the rivers

(ii) Air transport plays very important role for North eastern states of India because-

• Terrain of North eastern states is hilly and steep • To lay the railway line is difficult in these areas • Mountain barriers can be crossed with ease by aeroplanes

CISCE Check Point Geography-10 Answers b) Government has undertaken gauge conversion for convenience of the commuters, so that they don’t have to change the train c) (i)

• Freeways are the highest class of controlled access highways and are designed for high speed vehicular traffic. • NHAI has only two freeways in India; and (or Coastal Freeway); to reduce traffic congestion in the island city of Mumbai. Only cars and public buses are allowed on these. • Sea Link, a part of Western Freeway, is the longest bridge above water in India.

(ii)

NATIONAL HIGHWAYS STATE HIGHWAYS They are constructed and maintained They are constructed and maintained by Central government by State government They connect major cities, ports, state They provide linkages with the capitals, large industrial and tourist National Highways, district centres headquarters, important towns, tourist centres and minor ports within the state.

d)

i. Largest express highway project- project ii. Full form of GT-

Answers-11 a) (i)

• Leaf injuries • Leaf fall • Decrease in transpiration • Reduction in the rate of photosynthesis • Reduction in biological nitrogen fixation • Dust deposited on leaves block the stomata of plants.

CISCE Check Point Geography-10 Answers

(ii) • Burning of coal, wood or petroleum produce sulphur and nitrogen. • These react with oxygen and are converted into their respective oxides – sulphur dioxide and nitrogen dioxide, which are soluble in water. • During rain, these oxides react with large quantities of water vapours in the atmosphere to form acids like Sulphuric acid, Sulphurous acid, nitric acid and nitrous acid.

(b) Most disposal methods cause harm to the environment.

• Open dumps and landfills contain toxins that seep into the soil and water pollution. • Uncontrolled burning of accumulated waste creates smoke and other air pollutants. c)

• A wide low land area away from the city which is used for disposal of waste. • The open pits spoil the sight. • It becomes a breeding ground for mosquitoes, flies, insects that are carriers of harmful diseases. • It gives out foul odour. • Rain water could carry the harmful substances to the nearby streams. d) A5) The Environment Protection Act (1986) empowers the central government to coordinate actions of state Government, plan and execute a nationwide programme for the prevention, control and abatement of Environment pollution, lay down standards for the quality of environment.

CISCE Check Point Geography-10 Answers