Corals

Which latitudes are conducive to coral growth?

• O^o to 10^o N and S

• 10^o to 20^o N and S

• 0^o to 30^o N and S

• 20^o to 30^o N and S

Which is not a condition for coral growth?

• Warm temperatures, about 27^oC

• Fresh or silt laden water

• Shallow sunlit water

• Water with normal salinity

"A reef lying parallel to the coast but separated from it by a wide lagoon."

The above statement refers to a/an

• Fringing reef

• Barrier reef

• Uplifted reef

• Atoll

Which can be considered to b e benefits of coral reefs?

(i) Tourism

(ii) Employment enhancement

(iii) Coral Mining

(iv) Fishing

• (i) (ii) (iii)

• (ii) (iii)

• (i) to (iv)

• (i) (ii) (iv)

Which is not true of corals?

a) Shallow sunlit water is required for their growth

b) Atolls are circular in appearance

c) Some coral reefs are found close to shore and separated by narrow lagoons

d) Cold ocean currents favour their growth

• (i) (ii) (iii)

• (ii) (iii)

• (i) to (iv)

• (i) (ii) (iv)

(i) Protection of the coastline

(ii) Fishing

(iii) Beach resort

(iv) Eco-tourism

Which of the above are benefits from corals?

• (i) (ii) (iv)

• (ii) (iii)

• (iii) (iv)

• (i) (ii) (iii) (iv)

The following are global threats to coral reefs, except,

• Fertiliser run-off

• Tourists trampling on corals

• Restrictions on live coral souvenirs

• Siltation

Which is not a way how damage to corals can be prevented?

• Public awareness

• Better farming practices

• Walking gently on corals

• Coastal conservation

Which of the following islands is a result of coral formations?

• St. Vincent

• Grenada

• Barbados

• St. Lucia

Select which group best explains how man disturbs coral reefs

(i) Marina construction

(ii) Logging operations

(iii) Sewage disposal

(iv) Kicking up coral sand

• (i) (ii)

• (ii) (iii) (iv)

• (i) (ii) (iii) (iv)

• (iii) (iv)