Practical - Geography 2015 Neco Answers Available Now

By 07:06 Tue, 09 Jun 2015 Comments


Wednesday 10th June Paper III & I:

Objective & Practical /

Physical – Geography – 10:00am –

12:30pm

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3a)

Twilight: this is a period between

sunset and complete darkness while

dawn is refers to the brief period

between sunrise and full daylight

3b)

(i)

Because the north pole is titled to ward the sun at this time, the sun just skims

the horizon but never completely sets.

The Arctic Circle marks the southern

extremity of the polar day which is a day of 24 hours of sunlight.

(ii)

The sun's rays are directly overhead

along the Tropic of Cancer (the latitude line at 23.5° north)

(iii)

it is due to that hemisphere

receiving more direct rays of the sun

than the opposite hemisphere where it

is winter. In winter, the sun's energy

hits the earth at oblique angles and is thus less concentrated.

3c)

(i)

it causes seasons:in temperature

countries of the world,the revolution of the earth causes four seasons

-autumns,spring,summer,and winter

whereas in tropical region like west africa there are two seasons

-rainy season and the dry season.

(ii)

it determines year:the average time

taken by the earth to move round the sun or having completed its revolution

on its orbit is fixed at 365 1/4days.

(iii)

it causes varying length of the day

and night at different time of the

year,the actual length of day and night

varies because of the position of the

earth in relation the sun.

(iv)

it brings about changes in the

altitude of the midday sun at different

times of the year.as a result of the

earth's revolution,the altitude of the

midday sun changes resulting in

Equinoxes and Solstices.

=============================

6a)

they carve out channels as they flow

and they transport and deposit

materials for very great distance often hundreds or thousands of kilometre.

6b)

(i)the shape of of the river channel or

valley:this factor affects the amount of energy a river has for erosion and

transportation

(ii)

the volume of water released:the

higher the volume of water released by a river,the higher the velocity

(iii)

the amount and size of materials:the

great the speed of a river,the greater

the materials or load it can move

(iv)

the slope of the river valley:the

steeper the slope or gradients,the

higher the speed or velocity of the

water in the river

6c)

UPPER

(i) gorges

(ii) V-shaped valley

MIDDLE

(i) menders

(ii) River cliff and slip-off slopes LOWER

(i) Ox-bow lakes

(ii) the flood plain

=============================

7a)

environmental hazards simply refers

to disasters which affect lives and

properties within environment as a

result of the action of man and other

natural phenomena.

7b)

(i)

excessive bush-burning may result in

desert encroachment

(ii)

over-grazing leaves the soil bare and

makes wind erosion very effective

(iii)

over cultivation of the soil,most

especially in the sahel region

(iv)

deforestation i.e cutting down of

trees can also encourage desert

encroachment

(v)

changes in climate from wet to dry

may result in desert encroachment

7c)

(i)

afforestation i.e the planting of trees

to reduce the hardship

(ii)

irrigation scheme could be introduced

to encourage the growth of vegetations

(iii)

conservation of trees,surface and

underground water

(iv)

creation of shelter belts.

THIS YOUR TIME MY BROTHERS AND SISTERS

============================================

Geography type C.

1-10: ccbadcecbc

11-20: dbebcaeeed

21-30: ebeeddbbcd

31-40: dbadbdbbed

41-50: ecaddcedea

51-60: daeecccaec

VERIFY GEOGRAPHY OBJ TYPE B

1-10 BBEACDAAAB

11-20. ACDCCEDCCB

21-30. CBBCCDDCCC

31-40. CEEDEEACBA

41-50. DBEDADDBAB

51-60. EDEDCAAADE


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