IYB 1-Land and the People

santhoshv339's version from 2017-03-01 05:02

Flora and Founa

Question Answer
India is in which position in the world wrt plant diversity ?Tenth
India is in which position in Asia wrt plant diversity ?fourth
Chir, pine, other conifers and broad-leaved temperate trees are found in ?Himalayan region from Kashmir to Kumaon - temperate
Deodar, blue pine, spruce and silver fir are found in ?Higher up the Himalayan region
Fir, silver birch and junipers are found in ?alpine zone above 4750 meters
Conifers, junipers and dwarf willows,Oaks, laurels, maples, rhododendrons, alder and birch are found in ?Eastern Himalayan region extending from Sikkim eastwards and embraces Darjeeling, Kurseong and adjacent tracts - temperate
Which area has thick clumps of bamboos and tall grasses ?The Assam region ie the Brahmaputra and the Surma valleys with evergreen forests
Which type of vegetation is found in Deccan region ?shrub jungles to mixed deciduous forests
Coconut, betelnut, pepper, coffee, tea, rubber and cashewnut are grown in ?excessively humid Malabar region
Which region has evergreen, mangrove, beach and diluvial forests ?The Andaman region
Which organisation brings out a book Red Data Book which has inventory of endangered plants ?Botanical Survey of India
India represents which of the two major realms ?Palearctic and Indo-Malayan
India represents which three biomes ?Tropical Humid Forests, Tropical Dry/Deciduous Forests and Warm Deserts/Semi-Deserts
With 2 per cent of world’s total land surface, India is known to have over what percent of species of animals ?7.50

River Systems

Question Answer
Which Indian rivers are usually short in length and have limited encachment areas ?Western coastal rivers
Which Indian rivers have ephemeral character - ie last for a short time ?streams of inland drainage basin of western Rajasthan
The Indus river rises near ? Mansarovar in Tibet
The Indus river joins sea near ?Karachi (Arabian Sea)
Sutlej originates from ?Tibet
The principal sub-basins of Ganga-Brahmaputra-Meghna system are ?Bhagirathi and the Alaknanda
Bhagirathi and the Alaknanda join at which place to form Ganga ?Dev Prayag
At which place does Bhagirathi takes off from main course and Padma continues eastward and enters Bangladesh ?Below Rajmahal Hills
What are some of the important tributaries of Ganga ?The Yamuna, the Ramganga, the Ghaghra, the Gandak, the Kosi, the Mahananda and the Sone
Which are tributaries of Yamuna ?Chambal and Betwa
The Padma and the Brahmaputra join which place and continue to flow as the Padma or Ganga ?Bangladesh
The Brahmaputra rises in ?Tibet
The Brahmaputra is also known as ?Tsangpo
The Brahmaputra crosses India in Arunachal Pradesh with the name ?Dihang
At which place do Debang and Lohit join the river Brahmaputra and runs all along the Assam valley ?Near Passighat
The Brahmaputra crosses into Bangladesh downstream of ?Dhubri
The principal tributaries of Brahmaputra in India are ?The Subansiri, Jia Bhareli, Dhansiri, Puthimari, Pagladiya and the Manas
The Brahmaputra in Bangladesh is mainly fed by which rivers and then joins Ganga ?Teesta
Which river is the headstream of Meghna ?The Barak river
The Barak river rises in ?The hills in Manipur
The important tributaries of Barak are ?Makku, Trang, Tuivai, Jiri, Sonai, Rukni, Katakhal, Dhaleswari, Langachini, Maduva and Jatinga
Barak joins Ganga-Brahmaputra at Bangladesh near ?Bhairab Bazar
In the Deccan region, most of the major river systems flowing generally in which direction ?East fall into Bay of Bengal
Which are the west flowing rivers in Deccan ?Narmada and Tapti
Which are the major east flowing rivers in Deccan ?Godavari, Krishna, Cauvery and Mahanadi
Which is the second largest river basin of India ?Godavari (10%)
Which is the third largest river basin in India ?Krishna
Which two rivers are almost of same size though with different character and shape ?Narmada and Cauvery
Small coastal rivers are mostly present in ?West coast (more than 600)
A few rivers in Rajasthan do not drain in sea but drain in ?salt lakes
Which rivers are desert rivers which flow for some distance and are lost in the desert ?Luni, Machhu, Rupen, Saraswati, Banas, Ghaggar
The 12 major river basins have drainage area exceeding ?20,000 sq. km
The 12 major river basins are(1) Indus, (2) Ganga-Brahmaputra-Meghna, (3) Godavari, (4) Krishna, (5) Cauvery, (6) Mahanadi, (7) Pennar (8) Brahmani-Baitarani, (9) Sabarmati, (10) Mahi, (11) Narmada and (12) Tapti
Medium river systems are between ?2,000 to 20,000
Small river systems are between ?< 2,000

Physical Features

Question Answer
The Jelep La and Nathu La are present on which route ?Indo-Tibet trade route through the Chumbi valley, north-east of Darjeeling
Shipki La in the which valley ?Satluj valley, north-east of Kalpa (Kinnaur)
In which region are Himalayas low in altitude ?India and Myanmar and India and Bangladesh
Garo, Khasi, Jaintia and Naga Hills, running almost east-west is joined by which chain of mountains ?Mizo and Rakhine Hills running north-south
What is the drop in elevation between Yamuna at Delhi and the Bay of Bengal, nearly 1,600 km away ?only 200 metres
The great desert extends between ?the edge of the Rann of Kutch beyond the Luni river northward. The whole of the Rajasthan-Sind frontier runs hrough this.
The Little desert extends between ?Luni between Jaisalmer and Jodhpur up to the northern west
What is present between the great and little desert ?zone of absolutely sterile country, consisting ofrocky land, cut up by limestone ridges
Which mountain range has higher elevation western or eastern ghats ?Western ghats - 900 to 1200 meters ,eastern 600 meters
Which coastal strip is thicker - western or eastern ?Eastern coastal strip is broader
The Cardamom Hills lying beyond Nilgiri hills may be regarded as a continuation of ?the Western Ghats
Western and Eastern ghats meet at ?Nilgiri hills
Which regions in India are because of ountainbuilding movement ?The Himalayan mountain belt to the north and the NagaLushai mountain in the east
What was the stage of the Himalayan mountain belt to the north and the NagaLushai mountain in the east before 60 crore years ?They were under the sea
How were the Himalayan mountain belt to the north and the NagaLushai mountain in the east formed ?In a series of mountain-building movements commencing about seven crore years ago, the sediments and the basement rocks rose to great heights - and then weathering and erosion caused the present day relief
The peninsula region consits of what type of rock ?metamorphosed dating back as far as 380 crore years
Some part of peninsular region has which formations ?Gondwana formations, lava flows belonging to the Deccan Trap formation and younger sediments.