41. The main cause of Kalahari being a desert is

1. 1. The cold currents near the coast

   
   
   

   2. Its location on the west coast in the tropics

   
   
   

   3. Its location in the tropics

   
   
   

   4. That its people are primitive

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

---

42. Consider the following statements
    1. Most rainfall and snowfall in the mid-latitudes are formed by the ice-crystal process.
    2. The base of cirrus clouds invariably occurs at an altitude below 5000m.
    Which of the statements given above is /are correct ?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 nor 2

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

---

43. It a small raindrop falls through air

1. 1. Its velocity goes on increasing

   
   
   

   2. Its velocity goes on decreasing

   
   
   

   3. Its velocity goes on increasing for some time and then becomes constant

   
   
   

   4. It falls with constant speed for some time and then its velocity increases

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

44. With reference to convectional type of rainfall, consider the following statements
    1. It is a warm weather phenomenon.
    2. This rainfall is associated with cumulo-nimbus clouds.
    Which of the statement (s) given above is / are correct ?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 nor 2

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

---

45. Assertion (A) : The annual range of temperature is greater over land areas.
    Reason (R) : Land area warm and cool more rarely than water bodies.
    Code

1. 1. Both (A) and (R) are true and (R) is the correct explanation of (A)
      

   
   
   

   2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
      

   
   
   

   3. (A) is true but (R) is false
      

   
   
   

   4. (A) is false but (R) is true
      

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---