When solar radiation passes through the surface layer in ocean water…. • Absorbs long wavelengths of visible light first
Absorbs short wavelengths of visible light first
Does not absorb any of the wavelengths of visible light
Completely absorbs all wavelengths of visible light together
Absorbs long wavelengths of visible light first
The pressure of the liquid in communicating vessels does not depend on
The height of the liquid
The shape of the vessels
The acceleration of gravity
The density of the liquid
Bony fish...
Shark
Tilapia
Whale
Ray
Tilapia has... that helps it move between depths
Air bladder
Liver rich in oils
Large lungs
Small gills
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 .................
Tends to blue/Tends to green
Tends to green/Tends to blue
Tends to red/Tends to green
Tends to blue /Tends to red
Which of the following organisms is exposed to less water pressure?
Deep-sea organisms
Organisms that need more light
Organisms that live at medium depths
Surface organisms
Which of the following quantities decreases in summer with increasing depth in the Red Sea waters? ...
Water density and pressure
Water temperature and pressure
Water density and temperature
Water temperature and light intensity through it
The basic condition for the abundance of plants in an aquatic environment is ....
Availability of fresh water
Low carbon dioxide
Availability of an adequate amount of light to complete the process of photosynthesis
High salinity
The ocean current that carries warm water from the equator towards the North Atlantic Ocean ..
Visible light
Solar radiation
Photosynthesis
Gulf Stream
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?
Area y
Area x
The three regions are of equal load
Area z
A fish is subjected to a pressure of 8 atm, so it is found at a depth equal to ..m
70
80
7
35
How does pressure affect a point inside a liquid?
In all directions equally
From below only
In opposite directions
From above only
What is the importance of lipoproteins in the cell membranes of marine organisms?
Does not affect the membrane
Reduce the area of the membrane
Increase the volume of the membrane
Increase the flexibility of the membrane
What is the unit used to measure pressure?
M/s2
Kg/m3
Joule
N/m2
Which of the following is not a characteristic of gaseous materials?
Does not have a fixed volume
Easily compressible
Occupies any space in which they are found
Resists compression
When solar radiation moves from space to the Earth’s atmosphere, it .....
It reaches the Earth’s surface completely
It is completely scattered in the atmosphere
It is completely absorbed in the atmosphere
Most of it reaches the Earth’s surface
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....
Equal to one
Less than one
Answer cannot be determined
Greater than one
What are fluids?
Materials that have only a fixed volume
Materials that have only an unstable shape
Materials that have a fixed volume and shape
Materials that are characterized by their ability to flow
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 …..
1/4E
1/2E
E
1/3E
If you know that Barra coda and cod cannot exist together in the ocean at the same latitude because each type of them .....
Lives at different depths in the ocean
Has adaptations to a certain light intensity
Has Adaptations to a certain temperature
Predatory fish
Of the marine organisms that live in cold regions ....
Coral reefs
Tuna
Cod
Barra coda
Of the fish that can be found in the Atlantic Ocean at the equator ...
Cod only
Barra coda and tuna
Tuna and cod
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
Ultraviolet rays
Region B
Infrared rays - X-rays
X-rays - gamma rays
Infrared rays - micrometer rays
X-rays - infrared rays
Which of the following regions of the electromagnetic spectrum has waves with shorter wavelengths ...
Radio waves
X-rays
Gamma rays
Solar radiation that reaches sea level without being scattered ....
Chemical energy
Direct solar radiation
What are the adaptations that help fish move upward in the water?
Swim bladders
Large liver
Fins
All of the above
All of the following are units of pressure except …
Pa
Bar
W
Evaporating water appears blue because ....
Water absorbs blue light wavelengths first
Water does not absorb blue light wavelengths
The surface of the water reflects blue light wavelengths
Blue light wavelengths penetrate to greater depths compared to other colors
Which marine organisms can withstand higher pressure?
All are equal
Which of the following is not a fluid?
Atmospheric air
Ice
Oil
Mercury
It is considered...a more flexible and lighter tissue, which gives fish high flexibility
Bones
Fat
Proteins
Cartilage
In which of the following climatic seasons does the rate of decline in the number of marine organisms in the polar regions increase ....
Autumn
Winter
Summer
Spring
Solar radiation energy can be converted into .....
Electrical energy
Thermal energy
photosynthesis important for maintaining the ecological balance in the ocean
False
True
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
10
1
125
100
Sharks are...
Cartilaginous fish
Mammals
Bony fish
Jawless
The level of the connected seas and oceans is at the same horizontal level, due to the equality of
The depth of the water
The volume of the water
The area of the water
The pressure exerted by a man on the surface of the earth is greater when
He lies on the ground
He stands with one foot on the ground
He stands with both feet on the ground
He stands on the toes of one foot on the ground
It helps... fish to float and balance in the water
Cartilaginous skeleton
Lipoproteins
Swim bladder
Large gills
A process carried out by aquatic plants to convert solar energy into chemical energy used in building organic materials .....
The photosynthesis process
The diffusion process
The transpiration process
The demolition process
