AHSEC| CLASS 11| GEOGRAPHY| SOLVED PAPER - 2015| H.S.1ST YEAR

 

AHSEC| CLASS 11| GEOGRAPHY| SOLVED PAPER - 2015| H.S.1ST YEAR

2015

GEOGRAPHY SOLVED PAPER
Full Marks: 70
Time: 3 hours
The figures in the margin indicate full marks for the questions

 

1. Find out the correct answer of the following:               1x8=8

a)        Who used the term ‘Geography’ for the first time?

1)     Aristotle.

2)     Galileo.

3)     Herodotus.

4)     Eratosthenes.

Ans:- Eratosthenes.

b)        Which one of the following is not a subject matter of Human Geography?

1)     Population.

2)     Settlement.

3)     Ecosystem.

4)     Political system.

Ans:- Political system.

c)         The approximate age of the earth is

1)     4500 lakh years.

2)     4500 million years.

3)     4500 crore years.

4)     4500 billion years.

Ans:- 4500 billion years.

d)        Fossils are found in which type of rocks?

1)     Igneous.

2)     Sedimentary.

3)     Metamorphic.

4)     None of the above.

Ans:- Sedimentary.

e)        In which part of a river the rate of erosion is maximum?

1)     Upper course.

2)     Middle course.

3)     Lower course.

4)     Mouth of the river.

Ans:- Middle course.

f)         Which of the following countries share longest boundary with India?

1)     Bangladesh.

2)     China.

3)     Pakistan.

4)     Myanmar.

Ans:- Bangladesh.

g)        The water body that has separated Andaman from the Nicobar group of islands is

1)     10 degree channel.

2)     11 degree channel.

3)     Gulf of Mannar.

4)     Andaman Sea.

Ans:- 10 degree channel.

h)        The only two west-flowing rivers of Deccan Plateau are

1)     Narmada and Mahanadi.

2)     Godavari and Tapi.

3)     Narmada and Tapi.

4)     Mahanadi and Godavari.

Ans:- Narmada and Tapi.

2. Write short answer:                 2x10=20

(a) Which are the largest and smallest planets of the solar system?

Ans:- Mercury and Jupiter

(b) Name the two landmasses separated by Tethys Sea or Tethys geosynclines.

Ans:- Laurasia and Gondwana

(c) Name the two major seismic belts of the world.

Ans:- Circum and Pacific Belt.

(d) Mention the proportion of oxygen and nitrogen gas of atmosphere in percentage.

Ans:- 20.95% and 78.09%

(e) Which two variables of climate were used by Koppen in his climatic classification?

Ans:- Air and temperature.

(f) Name two primary factors responsible for occurrence of ocean current.

Ans:- Solar heating and winds

(g) Which two elements of climate play the most significant role for rich biodiversity?

Ans:- Wind and humidity.

(h) The cyclonic storms occurred in Eastern India during the months of March and April are known by which name in Assam and West Bengal?

Ans:- Bordoichilla and Kalbaisakhi.

(i) ‘Khadar’ and ‘Bhangar’ refers to which categories of alluvial soil of the plains of Northern India?

Ans:- Khadar – New

Bhangar - Older

(j) Name two National Parks of Assam.

Ans:- Kaziranga and Manas.

3. Distinguish the following in brief (any five):                  3x5=15

(a) Physical and Chemical weathering.

Ans:- Physical weathering is caused by physical interactions. Sand, blown away by wind scraping a surface, or water causing swelling or weakening of material in an underlying structure (or cracking and cracking due to something freezing and thus expanding water), etcetera.

Chemical weathering is caused by a chemical reaction with the surface. For example, acid rain erodes the surface of a marble sculpture, or oxygen in the air causes oxidation of the surface layers of a painting, or ultraviolet exposure to sunlight breaks down chemical pigments. (b) Lapse rate and Temperature inversion.

 

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