Soil and Birds Beaks, Claws & Nests of the Birds

If you want to grow plants in your garden, what is the best soil to use?

• Sand                

• Loam

• Clay     

• Gravel  

Hari brought an unknown type of soil. It has very large grains and it does not hold any water between the grains. What type of soil could it be?

• Humus                                      

• Clay

• Loam   

• Gravel  

An experiment is conducted by adding 50 ml of water to both clay and humus taken separately in two funnels.

What does this experiment shown in the figure prove?

• Humus                                      

• Clay

• Loam   

• Gravel  

Rocks are broken into smaller pieces by the action of

• the sun.                                

• the wind.

• the rain.               

• all the above.    

Identify the TRUE statement from the following.

• Sandy soil is best for the growth of plants.                           

             

• All types of soil have the same size of grains.

• Soils differ in the size of grains and constituents.        

• Plants grow mostly in the bed rock.        

In the experiment shown below, water was poured into a container which has some soil. Air bubbles were seen rising. What does this show?

• Soil contains moisture.        

• Soil contains water.

• Soil contains air.              

• None of these     

Very fine particles of soil are found in which of the following types of soil?

• Loamy                                   

• Sandy

• Clayed      

• Gravel       

Which of these is called “farmer’s” friend?

• Tapeworm       

• Flatworm

• Earthworm      

• Hookworm       

Water and wind can break rocks into small pieces. What happens to these small pieces when they break away?

• Plants use them for energy                                             

• They become part of the soil

• They become food for animals       

• They turn into earthworms. 

The component of soil which is made up of rotten leaves and the decayed bodies of animals and plants is called

• humus.                                   

• clay.

• gravel.    

• None of these