Consider the following statements regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere. Which of these statements are correct? [CDS 2001]

Related MCQs

• Consider the following statements regarding global warming: 1. Melting of polar ice caps and subsequently rise in the sea level is the most important effect of global warming. 2. The sea level is likely to rise by one meter by 2070 AD if the present level of global warming is not controlled. 3. All the coral islands in the world will be submerged. 4. By 2044 AD, Fiji is likely to be submerged and rise in the sea level by the same year will pose a grave danger to the Netherlands. Select the correct answer from the following: [UP PCS 2002]
• Consider the following statements: 1. Nearly 99 percent of the total mass of the atmosphere lies within 30 km of the Earth's surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface. Which of the statements given above is/are correct? [IAS 2008]
• Consider the following statements: 1. Coriolis effect is zero at the Equator. 2. Coriolis effect is more towards the Poles. 3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes. 4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes. Which of the statements given above are correct? [CDS 2012]
• Consider the following statements: 1. Earth is the fourth largest planet of the solar system 2. Earth's circumference is about 45000 km 3. Earth's polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km Which of these statements are correct? [NDA 2002]
• Consider the following statements: 1. Suez Canal is an important link between developed countries and developing countries. 2. It joins the Mediterranean Sea with the Gulf of Suez 3. It is not a sea level canal. Which of the statement given above is/are correct? [CDS 2009]
• Consider the following statements associated with Mediterranean climate: 1. It is so named because it occurs extensively in the periphery of Mediterranean sea. 2. These lands are exposed to hot, dry, land winds during the summer months. 3. The seasonal range of temperatures is considerable less than that in other areas of corresponding latitudes. Which of these statements are correct? [COS 1999)
• Consider the following statements: 1. Falkland Islands are situated in Pacific Ocean 2. Red Sea separates Sudan from Egypt. 3. England, Norway, Denmark surround North Sea. Which of these statements is/are correct? [Asstt Comm PF 2002]
• Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans 2. During night, the water surface cools more rapidly than the land surface 3. Temperature generally decreases with latitude on either side of the equator 4. Temperature rises to a maximum during summer and falls to a minimum during winter
• The Earth is an oblate spheroid and not a perfect sphere. This is because [CDS 2010] 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
• Consider the following statements: 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate· entirely within tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes: [CDS 2001]