Tag: earth as a planet

Quizzes (17) Questions (47)

Questions Related to earth as a planet

Multiple choice geography earth as a planet spheres of earth earth and structure introduction to the spheres of the earth

The standard unit of measuring temperature is ____________.

  1. Calorie

  2. Hertz

  3. Degree celsius

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

SI Units: Temperature is Degree celsius

One degree Celsius is an interval of 1 K, and zero degrees Celsius is 273.15 K. An interval of one Celsius degree corresponds to an interval of 1.8 Fahrenheit degrees on the Fahrenheit temperature scale.

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Which of the following statements about Earth's atmosphere is wrong?

  1. The gaseous envelop of the earth that consists of a mixture of gases and water vapours is called atmosphere
  2. The lower level of the atmosphere up to about $7$ miles is called troposphere

  3. The middle region of the atmosphere is called stratosphere

  4. The locus of the point in space where gravity is constant is called ionosphere
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ionosphere is a region of the upper atmosphere ionized by solar radiation; it is not defined by the locus of points where gravity is constant.

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Which of the following is not covered in the term biosphere?

  1. Plants

  2. Animals

  3. Man

  4. Mountains
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The biosphere includes all living organisms (plants, animals, humans) and the environments they inhabit. Mountains are geological features and are part of the lithosphere, not the biosphere.

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Because of the compressibility of air, more than $50$% of the mass of the atmosphere is in its _________________.

  1. Lower $3.6$ miles
  2. Below $18$ mile level
  3. Beyond $18$ mile level up to $40$ miles
  4. Beyond $40$ miles
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to gravity, air is most dense near the surface. More than 50% of the Earth's atmospheric mass is concentrated within the first 5-6 kilometers (roughly 3.6 miles) of altitude.

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Which of the following layers of atmosphere contains the electrically charged particles and reflects the ratio waves back to the earth's surface to make wireless communication possible?

  1. Troposphere

  2. Stratosphere

  3. Ionosphere

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

The ionosphere contains ionized particles that reflect radio waves, which is essential for long-distance wireless communication.