Tag: solar energy and its applications

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Multiple choice biology water a precious resource water cycle earth's energy budget bio-geo chemical cycles in nature solar energy and its applications

Water cycle refers to

  1. Scientific management of water in areas excessively plagued with water logging.

  2. Constant movement of water from ocean to land and back to ocean again

  3. An integrated attempt to recycle water in relatively arid regions

  4. Planning of water distribution in relatively dry areas.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Water cycle refers to constant movement of water from ocean to land and back to ocean again.It happen when water changes from water vapor in the atmosphere to liquid water through condensation and precipitation and falls on land and via channels and river flows back to ocean and then back to water vapor through evaporation, transpiration, and respiration. 

so, the correct option is B. ( Constant movement of water from ocean to land and back to ocean again )

Multiple choice biology water a precious resource water cycle earth's energy budget bio-geo chemical cycles in nature solar energy and its applications

The total mass of water vapor stored in the atmosphere at any moment is about ____________ of the world's supply of precipitation.

  1. 1 day

  2. 1 week

  3. 1 month

  4. 1 year
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The residence time of water vapor in the atmosphere is relatively short, typically estimated to be about 8 to 10 days, which is approximately one week.

Multiple choice biology water a precious resource water cycle earth's energy budget bio-geo chemical cycles in nature solar energy and its applications

All forms of water that comes down on Earth, including rain, snow, hail etc. is known as ____________

  1. Calcification

  2. Fixation

  3. Precipitation

  4. Accumulation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Precipitation is the collective term for any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface.

Multiple choice biology water a precious resource water cycle earth's energy budget bio-geo chemical cycles in nature solar energy and its applications

Water enters atmosphere by

  1. Filtration

  2. Evaporation

  3. Evapo-transpiration

  4. Biosphere
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Water enters the atmosphere primarily through evaporation from water bodies and transpiration from plants. Together, these processes are known as evapotranspiration, but evaporation is the most fundamental term for water entering the atmosphere from the surface.

Multiple choice evs solar energy water cycle earth's energy budget solar energy and its applications

What type of reactions occurring inside the sun produced solar energy?

  1. nuclear fusion reactions

  2. nuclear fission reactions

  3. nucleophilic substitution reactions

  4. electrophilic addition reactions
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Energy obtained by the Sun in form of heat and light is due to the nuclear reaction: fusion reaction taking place in the Sun. Hydrogen atoms collide to combine with each other to form a heavier molecule Helium, this results in release of a large amount of energy.

Multiple choice evs solar energy water cycle earth's energy budget solar energy and its applications

The ultimate source of heat on the surface of the earth is

  1. Solar energy

  2. Radiation energy

  3. Nuclear energy

  4. Inner temperature of the Earth's crust
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ultimate sorce of energy is the Sun. Living beings depend on the Sun for its sustainability. All other other sources of energy directly or indirectly are depended on the energy recieved by the Sun.