6. The Cyclone represents a state of atmosphere in which

1. 1. Low pressure in the center and high pressure around

   
   
   

   2. There is high pressure in the center and low pressure around

   
   
   

   3. There is low pressure all around

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

7. The tropical cyclones of the Bay of Bengal are usually called

1. 1. Typhoons

   
   
   

   2. Hurricanes

   
   
   

   3. Depressions

   
   
   

   4. Willy willy

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

---

8. The angular speed of a whirlwind in a tornado towards the centre

1. 1. Decreases rapidly

   
   
   

   2. Increases

   
   
   

   3. Remains constant

   
   
   

   4. Slowly becomes zero

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

9. Temperate Cyclone are characterized by which of the following

1. 1. Fronts

   
   
   

   2. Diverging winds

   
   
   

   3. Dry winds

   
   
   

   4. Hot winds

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

---

10. Assertion (A) : Graben is a major relief feature resulting form the faulting activities. It is, in fact, a valley or narrow trough bounded by one more parallel faults.
    Reason (R) : Block of the earth's crust may be relatively raised or lowered between more or less parallel faults. The lower part known as graben is formed due to the subsidence of middle part between two normal faults.
    
    

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

   
   
   

   2. Both (A) and (R) are individually true but (R) is not a 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

---