Biogeog lecture 4

Question 1

What are the climatic zones of Africa?

Answer 1

Arid, tropic and temperate

Question 2

What are the major vegetation in West Africa ?

Answer 2

Sahel, Sudan, Sahara and Guinea Savanna and rainforest

Question 3

Boundaries of bands of major vegetation run approximately parallel with the

Answer 3

equator

Question 4

Coastal vegetation is found….

Answer 4

along the coast

Question 5

Strand vegetation is found

Answer 5

at the sea shore

Question 6

Mangrove verge is found along

Answer 6

lagoons

Question 7

Algae vegetation is found

Answer 7

between tide marks

Question 8

Montane vegetation is found

Answer 8

in higher mountains

Question 9

Savanna is subdivided into three namely …

Answer 9

Sahel, Sudan and Guinea

Question 10

A region of formerly high forest but which the original tall trees have now been destroyed and replaced by the invasion of Guinea Savanna is called

Answer 10

Derived Savanna

Question 11

The relatively more moist savanna with a considerable cover of broad-leaved trees is

Answer 11

Guinea Savanna

Question 12

Fire is an important ecological factor in the

Answer 12

Guinea Savanna

Question 13

Afzelia africana is

Answer 13

African Mahogany

Question 14

Vitellaria Paradoxa is

Answer 14

Shea butter tree

Question 15

Parkia Clappertoniana is

Answer 15

Dawadawa tree

Question 16

Adansonia Digitata is

Answer 16

Baobab tree

Question 17

Mention 4 fire resistant trees with thick barks.

Answer 17

Shea butter tree
African Mahogany
Baobab tree 🌲
Dawadawa tree

Question 18

Grasses in Guinea Savanna are relatively taller/ shorter?

Answer 18

taller about 1.5 to 3m high

Question 19

Are grasses in the Guinea Savanna fire resistant?

Answer 19

yes

Question 20

Grasses in the Guinea Savanna include

Answer 20

Andropogen and Pennisetum

Question 21

Pennisetum grass is also known as

Answer 21

elephant grass

Question 22

Sudan Savanna has a

Answer 22

reduced tree cover and fewer broad-leaved trees.

Question 23

Which type of Savanna covers a greater part of countries such as Burkina Faso and Mali?

Answer 23

Sudan Savanna

Question 24

Sudan Savanna has an approximate annual rainfall of ….

Answer 24

600 - 900mm

Question 25

Which type of Savanna endures a more severe and prolonged dry season of 7 months from October to April?

Answer 25

Sudan Savanna

Question 26

Between Sudan and Guinea Savanna, which is much more heavily populated?

Answer 26

Sudan Savanna

Question 27

What are some major crops in the Sudan Savanna zone?

Answer 27

Millet, Guinea Corn and Yams 🍠

Question 28

Is fire an important factor in the Sudan Savanna?

Answer 28

no

Question 29

Which savanna type supports large numbers of cattle 🐄 and other domestic animals?

Answer 29

Sudan Savanna

Question 30

Which savanna type has an annual rainfall of roughly 250 to 600mm?

Answer 30

Sahel Savanna

Question 31

Amongst the three types of Savanna, which has its dry season being the most intense?

Answer 31

Sahel Savanna

Question 32

Broad leaved trees are more or less absent in the

Answer 32

Sahel Savanna zone

Question 33

Grasses found in …….. savanna are sparse and less than 1m tall.

Answer 33

Sahel Savanna

Question 34

Kaduna in the savanna belt of The Nigeria has a higher/lower rainfall than Ibadan in the forest.

Answer 34

higher