The pressure of the liquid in communicating vessels does not depend on

سؤال 1
الدرجة 1.00

Sharks are...

سؤال 2
الدرجة 1.00

All of the following are units of pressure except …

سؤال 3
الدرجة 1.00

The opposite figure represents three regions x, y, z in ocean water. Which of these regions is the most suitable for the presence of autotrophic algae? 

سؤال 4
الدرجة 1.00

When solar radiation moves from space to the Earth’s atmosphere, it .....

سؤال 5
الدرجة 1.00

Which of the following organisms is exposed to less water pressure?

سؤال 6
الدرجة 1.00

It helps... fish to float and balance in the water

سؤال 7
الدرجة 1.00

What is the importance of lipoproteins in the cell membranes of marine organisms?

سؤال 8
الدرجة 1.00

Which of the following quantities decreases in summer with increasing depth in the Red Sea waters? ...

سؤال 9
الدرجة 1.00

The opposite figure represents solar radiation at sea level. The ratio between the intensities of the two wavelengths is 1500 nm / 500 nm, respectively, of solar radiation at sea level....

سؤال 10
الدرجة 1.00

The pressure exerted by a man on the surface of the earth is greater when

سؤال 11
الدرجة 1.00

The opposite figure shows two different regions of ocean water, a shallow coastal water area A and an open water area B. What do the colors of regions A and B look like…..

The color of region A   ..........The color of region B   .................

سؤال 12
الدرجة 1.00

Solar radiation energy can be converted into .....

سؤال 13
الدرجة 1.00

Of the marine organisms that live in cold regions ....

سؤال 14
الدرجة 1.00

photosynthesis important for maintaining the ecological balance in the ocean

سؤال 15
الدرجة 1.00

What are the adaptations that help fish move upward in the water?

سؤال 16
الدرجة 1.00

The opposite figure shows two points X, y at two different depths in the ocean water. If the energy of visible light at point x equals E, then the energy of visible light at point y equals approximately …..

سؤال 17
الدرجة 1.00

What are fluids?

سؤال 18
الدرجة 1.00

In which of the following climatic seasons does the rate of decline in the number of marine organisms in the polar regions increase ....

سؤال 19
الدرجة 1.00

Which of the following regions of the electromagnetic spectrum has waves with shorter wavelengths ...

سؤال 20
الدرجة 1.00

If you know that Barra coda and cod cannot exist together in the ocean at the same latitude because each type of them .....

سؤال 21
الدرجة 1.00

Of the fish that can be found in the Atlantic Ocean at the equator ...

سؤال 22
الدرجة 1.00

A fish is subjected to a pressure of 8 atm, so it is found at a depth equal to ..m

سؤال 23
الدرجة 1.00

Which of the following is not a characteristic of gaseous materials?

سؤال 24
الدرجة 1.00

Bony fish...

سؤال 25
الدرجة 1.00

How does pressure affect a point inside a liquid?

سؤال 26
الدرجة 1.00

The level of the connected seas and oceans is at the same horizontal level, due to the equality of

سؤال 27
الدرجة 1.00

The opposite figure represents four regions of the electromagnetic spectrum. Which of the following represents regions A and B of the spectrum, respectively?

Region A

Visible light

Ultraviolet rays

Region B

سؤال 28
الدرجة 1.00

A process carried out by aquatic plants to convert solar energy into chemical energy used in building organic materials .....

سؤال 29
الدرجة 1.00

The basic condition for the abundance of plants in an aquatic environment is ....

سؤال 30
الدرجة 1.00

Which marine organisms can withstand higher pressure?

سؤال 31
الدرجة 1.00

What is the unit used to measure pressure?

سؤال 32
الدرجة 1.00

Evaporating water appears blue because ....

سؤال 33
الدرجة 1.00

When solar radiation passes through the surface layer in ocean water…. • Absorbs long wavelengths of visible light first

سؤال 34
الدرجة 1.00

Which of the following is not a fluid?

سؤال 35
الدرجة 1.00

A boat traveling at a speed of 50 m/s for a distance of 100 m, the amount of pressure exerted on it is equal to …atm

سؤال 36
الدرجة 1.00

Solar radiation that reaches sea level without being scattered ....

سؤال 37
الدرجة 1.00

The ocean current that carries warm water from the equator towards the North Atlantic Ocean ..

سؤال 38
الدرجة 1.00

It is considered...a more flexible and lighter tissue, which gives fish high flexibility

سؤال 39
الدرجة 1.00

Tilapia has... that helps it move between depths

سؤال 40
الدرجة 1.00