Consider the following statements. 

1. The gravitational force of the earth holds the atmosphere around it. 

2. Earth’s atmosphere is only about 1/100th as dense as Mars’. 

Which of the above statements is/are correct

Lithospheric plates move around very slowly – just a few millimetres each year. What is the reason behind this movement? 

Consider the following statements. 

1. Tornados and cyclones do not coexist. 

2. The direction of rotation of a hurricane/cyclone is decided by the direction of earth’s rotation, which is not the case with tornadoes. 

3. Tornadoes are much smaller in scale than hurricanes. 

Which of the above statements is/are correct? 

Acidification of ocean can have a beneficial effect on 

1. Photosynthetic algae 

2. Seagrasses 

3. Deep sea corals 

Select the correct answer code: 

What is the correct sequence of occurrences of the countries in Eastern coast of Africa as one proceeds from South to North? 

1. Mozambique

2. Tanzania 

3. Kenya 

4. Somalia 

Select the correct answer code: