Hydrosphere English Medium Free Online Test 1 Mark Questions 2020-2021

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Social Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The Sunda Trench lies in the____________ ocean.

    (a)

    Atlantic

    (b)

    Pacific

    (c)

    Indian

    (d)

    Antarctic

  2. Ocean currents are produced due to________

    (a)

    due to rotation of earth

    (b)

    due to variation in temperature

    (c)

    due to earth's movement

    (d)

    all the above

  3. The oceanic ridge comes into existence due to

    (a)

    convergence of tectonic plates

    (b)

    divergence of tectonic plates

    (c)

    lateral movements of plates

    (d)

    stearing of plates

  4. Which of the following is not correctly matched?

    (a)

    Gulf Stream - Pacific Ocean

    (b)

    Labrador current - North Atlantic Ocean

    (c)

    Canary current - Mediterranean sea

    (d)

    Mozambique current - Indian Ocean

  5. The deepest point in the Arctic ocean is___________

    (a)

    Java Trench

    (b)

    Fram basin

    (c)

    Puerto Rico

    (d)

    South Sandwich Trench

  6. The height of the waves depends on________

    (a)

    speed of wind

    (b)

    Its duration

    (c)

    the direction

    (d)

    All of the above

  7. Marine resources  consists of_______resources.

    (a)

    Biological

    (b)

    Mineral

    (c)

    Energy

    (d)

    All of the above

  8. A very long narrow depression on the ocean floor is called

    (a)

    Guyot

    (b)

    Ridge

    (c)

    Trench

    (d)

    atoll

  9. Consider the following statements.
    1. Sylvia Earle is a famous American oceano-grapher
    2. The continental shelves have extensive deposits of mineral fuels.
    3. Submarine fans are located in continental slope.
    4. Abyssal plains are otherwise called shallow sea plains

    (a)

    1 and 2 are correct

    (b)

    2 and 4 are correct

    (c)

    3 and 4 are correct

    (d)

    1, 2, and 3 are correct

  10. Assertion (A) : The gravitational pull of the sun and moon on earth cause tides on sea water.
    Reason (R) : Neap tides are caused when the first and last quarter moon appears.

    (a)

    Both A and B are wrong

    (b)

    A is correct, R gives the correct explanation of A

    (c)

    A is false R is correct

    (d)

    A is correct R does not give correct explanation of A

*****************************************

Reviews & Comments about 9th Standard Social Science Hydrosphere English Medium Free Online Test 1 Mark Questions 2020-2021

Write your Comment