Tag: the earth and its living world

Quizzes (28) Questions (100)

Questions Related to the earth and its living world

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

Which of the following layers of the atmosphere consists artificial satellites?

  1. Exosphere

  2. Thermosphere

  3. Troposphere

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

Artificial satellites orbit the Earth in the thermosphere and exosphere. Among the choices provided, the thermosphere is the correct region where many low Earth orbit satellites are located.

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

Faint band of stars observed in the night sky from north to south direction is :

  1. Spiral arm of Milky way

  2. Galactic disc of Milky way

  3. Edge of Milky way

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

The faint band of stars seen across the night sky is the view of the Milky Way's galactic disc from our perspective inside the galaxy.

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

Which one glows but does not twinkle?

  1. Star

  2. Planet

  3. Asteroid

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

Stars twinkle because their light is refracted by Earth's atmosphere. Planets, being closer, appear as discs rather than point sources, so their light is less affected by atmospheric turbulence, making them appear to glow steadily.

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

Biosphere is

  1. Global ecosystem

  2. Global community

  3. Living organism

  4. Count of organism on earth
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The biosphere is the global sum of all ecosystems, representing the zone of life on Earth. It includes all living organisms and their interactions with the lithosphere, hydrosphere, and atmosphere.

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

Biosphere reserve programme started in India ___________.

  1. 1986

  2. 1984

  3. 1982

  4. 1988
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Man and biosphere programme is an international biological programme of UNESCO (United Nations Educational Scientific and Cultural Organization) which was started in 1971 but was introduced in India in 1986.

So, the correct answer is '1986'

Multiple choice evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

When first formed the early earth was very hot. Its surface temperature was :

  1. $ 1000^o-1200^o C $
  2. $ 3500^o-4000^o C $
  3. $ 5000^o-6000^o C $
  4. $ 8000^o-10000^o C $
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During the Hadean Eon, the early Earth was extremely hot due to frequent collisions, radioactive decay, and gravitational contraction. Estimates for the surface temperature during this formation period are typically in the range of 5000 to 6000 degrees Celsius.