Kuiz Sains Tambahan Tingkatan 5 Bab 8 Set 1

SELAMAT DATANG Kuiz Sains Tambahan Tingkatan 5 Bab 8 Set 1

Oseanografik (English)

KUIZ INI MENGANDUNGI 10 SOALAN

What distinguishes a 'seamount' from other features of the ocean floor?

It is a long, narrow depression that marks the deepest parts of the ocean.

It is a continuous underwater mountain range where new crust is formed.

It is a flat, deep area of the ocean floor covered in sediment.

It is an underwater mountain formed by volcanic activity.

None

Which of the five main oceans is characterized as being the smallest and is largely covered by sea ice that varies with the seasons?

Arctic Ocean

Pacific Ocean

Atlantic Ocean

Southern Ocean

None

Which of the following factors would lead to a decrease in the salinity of ocean water?

Formation of sea ice

Low precipitation over the ocean

High rates of evaporation

Melting of glaciers and icebergs

None

What is a defining characteristic of diadromous fish like salmon?

They live and feed near the bottom of the sea.

They lack a backbone and have a soft body.

They are small fish that live near the surface and are prey for larger predators.

They migrate between saltwater and freshwater environments.

None

What is the primary mechanism behind the phenomenon of 'upwelling'

Surface winds pushing warmer surface water away from a coastline.

The Coriolis effect forcing deep ocean currents towards the surface.

Gravitational pull from the moon causing deep water to rise.

Volcanic activity heating the seabed and causing water to circulate upwards.

None

Organisms like phytoplankton, which are primary producers in the ocean, belong to which kingdom?

Monera

Protista

Fungi

Animalia

None

Which early explorer is credited with finding a sea route from Europe to India by sailing around Africa?

Vasco da Gama

Christopher Columbus

Alfred Wegener

Ibn Battuta

None

The daily rise and fall of sea levels, known as tides, are primarily caused by the gravitational pull of which celestial body?

The Sun, because of its immense mass.

The Moon, because of its close proximity to Earth.

The Earth’s own rotation on its axis.

Both the Sun and Moon equally.

None

A mid-ocean ridge is formed by which specific geological process?

Magma rising from the mantle as two plates move apart.

The horizontal sliding of two plates against each other.

Thick layers of sediment accumulating over millions of years.

The collision of two oceanic plates, with one bending downward.

None

10.

The temperature of the ocean varies significantly with depth. What is the term for the transitional layer where temperature changes rapidly?

Subduction zone

Abyssal zone

Photosynthesis zone

Thermocline

None

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