Class - IX CBSE social Science

Social Science Concept Maps Class IX • Drainage • Climate • Natural Vegetation and Wild Life

Drainage Drainage systems of India

The Himalyan Rivers

Basin (insteal of state)

The Peninsolar River

The Indus River system Originate (masarovan)

States covered (J & K, H.P., Panjab)

Tributaries (Jhelum, Chenab Ravi, Beas, Satluj)

The Ganga River system Originate (Gangotri, Uttrakhan, UP, Raj., MP, Bihar, Jharkhand, WB) Tributaries (Yamuna, Sarda, Ghaghara, Gondak, Kosi, Son, Betwa, Chambal) The Brahamputra River system Originate (man sarovate)(Arunancal Pradesh) (Assam Meshalaya)

The Peninsular River

Tributaries (Dibang, Tohitate)

The Narmada Basin Originate (Amarkan tate hills)

Covered (MP, Gujarat)

The Tapi Basin Covered (MP, Maharashtra, Gujrat)

Originate (Betul, MP) The Godavari Basin Originate (Nasik, Maharashtra)

Basin (Maharashtra, Orissa, A.P., M.P.)

Tributanies (Purna, Wandha, Pranhita, Manjra, Wainganga & Penganga)

The Mahanadi Basin Originate (highland of Chhattisgarh)

Barin (Maharashtra, Chhatisgarh, Jharkhand, Orissa)

Krishna Originate (Mahabaleshwar)

Barin (Maharashtra, Karnataka, A.P.)

Tributanies (Tungabhadra, Koyana, Ghatprabha, Musi, Bhima)

Kaveri Originate (Brahmagri range)

Lakes

Type Importance

Natural Lake

Role of Rivers in the economy River Pollution National river conservation plan (NRCP)

Barin (Karnataka, Kerala and Tamilnadu) Tributanies (Amravati, Bhavani, Hemavati and Kabini)

Fresh Water Saline Water

Man - made Lake

Climate Factors controls Climate

Latitude

Altitude

Pressure and wind

Distance from the sea

Ocean cements

Pressure and wind

Jet stream

Western cyclonic disturbance

Relief Features

Factors Affecting India's Climate

Latitude

Altitude

ITCZ

The Indian Monsoon Factors Affecting Indian monsoon

The differential heating and cooling of Land and water

The seasons

The cold weathers season (Winter)

Distribution of Rainfall Monsoon as a unifying aond

Pressure Area

ITCS

High (Madagascar)

The Hot weather season (Summer)

Low Tibetan plateau

Advancing monsoon (The raing season)

ENSO

Jet Stream Easterly

Westerly

Retreating monsoon (The Transition season)

Natural Vegitation and Wild Life Factors responsible for the diversity of flora & Fauna (Bio-diversity, virgin vegitation Florea, Fauna)

Land

Soil

Temperature

Photoperiod (sunlight)

Precipitation

Ecosystem Types of Vegitation

Climate (Tem. Rainfall) Flora

Eauna

Tropical Evergreen Tropical Deciduous Tropical Thorn Forests Montane Forests Forests Forests and Scrubs Hot & 200 cm Hot 4 Hot & Cold & & 200 – 70 cm Less than 70 cm Wet temperate Ebony, mahogany rose Teak, Bamboos, Sal, wood, rubber cinchona. Shisham, Sandal wood, Khair, arjun etc. Elephants, monkey, Lion, tiger, pig, deer, Lemur, deer, bats, stoth elephant lizards, snakes etc.

Mangrove Forest Hot and Humid

Acacia, palms, Pine, deodar, silver fir, Sundari, Palm, coconut, euphorbias & caeti spruce & cedar keora, agar, etc. rat, mice, fox, rabbits, Kashmir stag, spotted Royal Bengal Tiger tiger, lion, wild ass, dear, wild sheep, jack Turtles, crocodiles, horses & camels. rabbit Tibetan antelope, gharials, snakes etc. yak, snow leopard etc.

Distribution Wester Ghats, Assam, Foothills of Himalayas , Semi arid region of Kashmir, Himachal, Coastal regions. W. bengal, Jharkhand, West Gujrat, MP, Rajasthan, Uttrakhand, North east Lakshadweep, Orissa, Chhattisgarh Haryana ect. state Andaman & nicobar Islands. Importance

Wildlife Wild life in India

Its conservativation

Steps taken by the Government