31.

Which one of the following bays has the highest tides in the world ?

• Bay of Bengal

• Hudson Bay

• Bay of Fundy

• Bay of Khambat

Which one of the following temperatures of sea water is favourable for the formation of coral reefs ?

• At least 20° C

• At least 15° C

• At least 10° C

• At least 5° C

The term "microtidal" has been adopted to refer to spring tide range -

• >6 m 

• 4 - 6 m

• 2 - 4 m

• <2 m 

Identify the correct sequence from land to sea :

• Swash , Breaker , Transition , Surf

• Swash , Transition , Breaker , Surf

• Swash , Transition , Surf , Breaker

• Breaker , Swash , Surf , Transition

Which one of the following lakes/sea has the highest salinity in the world ?

• Pachpadra Lake

• Sambhar Lake

• Lake Vane

• Dead Sea

Which of the following show correct sequence of coral development ?

• a , b , c , d

• b , c , d , a

• d , b , c , a

• c , d , a , b

Maximum density of sea water is at temperature :

• 2° C

• 4° C

• 6° C

• 25° C

Which one of the following is correct arrangement of oceans in ascending order of their size ?

• Indian - Arctic - Atlantic - Pacific

• Arctic - Indian -  Atlantic - Pacific

• Pacific - Atlantic - Indian - Arctic

• Atlantic - Pacific - Arctic - Indian

Ocean waves obtain their energy from :

• Solar system

• Hot spring

• River water

• Blowing wind

Over the past century world sea levels has risen by around : 

• 15 cm

• 25 cm

• 35 cm

• 45 cm