What is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury. 3. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/are correct? [CSAT 2011]

Related MCQs

• Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently 2. On Mars, only partial solar eclipses are possible Select the correct answer using the code given below: [NDA 2011]
• Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes, 2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct? [CSAT 2011]
• Which of the following statements relating to the planet Venus is/are correct? 1. It is the nearest planet from the Sun. 2. It is only slightly smaller than the Earth. 3. It has no atmosphere. Select the correct answer using the code given below: [Asstt Commdt 2011]
• While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that: [CDS 2000]
• The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context? [CSAT 2011]
• Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct? [CSAT 2011]
• What could be the main reason / reasons for the formation of African and Eurasian desert belt? 1. It is located in the sub-tropical high pressure cells. 2. It is under the influence of warm ocean currents. Which of the statements given above is/are correct in this context? [CSAT 2011]
• A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct? [CSAT 2011]
• Asteroids have their orbits between the planets:
• Consider the following statements : 1. Where fold mountains run parallel and close to the coast, continental shelf is narrow or absent 2. The average depth of continental shelf is 100 meters 3. Submarine canyons are mostly found in continental slope 4. The submarine flat topped mountains are called guyots. Which of the statements given above are correct? [IAS 2004]