Question

11) one of the following is not a type of soil. This one is:
a) loamy soil c) clayey soil
b) silty soil d) sandy soil

12) in addition to the rock particles, the soil contains,
a) air and water c) minerals, organic matter, air and water
b) water and plants d) water, air and plants

13) the water holding capacity is highest in:
a) sandy soil c) loamy soil
b) clayey soil d) mixture of sandy and loamy soil

14) the removal of fertile top soil from land by wind or water is called:
a) corrosion c) effusion
b) erosion d) diffusion

15) which of the following present in the soil has the smallest sized rock particles?
a) Gravel c) clay
b) Silt d) sand

16) Which of the following cannot be an effect of soil erosion?
a) Desertification c) flooding
b) Desalinisation d) None of the above

17) Which type of soil can lead to the maximum water logging in the fields?
a) Loamy soil c) sandy soil
b) Clayey soil d) sandy-loam soil

18) Pick the odd one out.
a) Cyclone c) monsoon
b) Hurricane d) typhoon

19) A cyclone warning can be issued
a) 48 hrs in advance c) 6 hrs in advance
b) 12 hrs in advance d) 24 hrs in advance


20) The winds from oceans carry water bring rain. These winds are called:
a) Typhoon c) cyclone
b) Monsoon d) none of the above

21) How are sea and land breeze caused?
a) Through convection currents c) Through rains
b) Through cyclones d) Through conduction

22) In which horizons of soil minerals are found?
a) A horizon c) C horizon
b) B horizon d) None of these

23) Which factors influences soil formation ?
a) Climate c) Parent rock
b) Vegetation d) All of these

24) The proportion of sand, silt and clay in a soil sample determines:
a) Structure c) nutrient potential
b) Texture d) fertility level

25) Which of the following type of soil will form a colloidal solution when suspended in water?
a) Clay c) sand
b) Silt d) Gravel​

Answer 1

Answer:

11) silty soil

12) material and organic matter

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