Drop Down MenusCSS Drop Down MenuPure CSS Dropdown Menu

Wednesday, 17 August 2016

Class 7th Science - Soil Science. Chapter-9 (SA & FA)

Science Assignment (Based on FA & SA) VII CLASS – Science Lesson-9 (Soil Science)
Class 7th Science Assignment FA & SA

Ques-9 Name some living organisms present in the soil? 
Ans. Worms, rodents, moles and beetles.

Ques-10 Which horizon of soil is difficult to dig with spade? 
Ans. The third C-horizon is made up of small rocks with cracks and crevices, below the layer is bad rock.

Ques-11 Write the formula of percolation rate? 
Ans. The formula of percolation rate is amount of water (ml)/Percolation time (min)

Ques-12 Which type of soil has highest percolation rate?
Ans. Sandy soil has soil has highest percolation rate.

Click imagination hunt to see latest Blogs 

Ques-13 What is soil erosion?
Ans. Removal of soil from land surface by water, wind or ice is known as soil erosion.

Ques-14 How soil is an inseparable part of our life? 
Ans. Soil is an inseparable part of our life because plants grow on soil and we all depend in plants for our food.

Ques-15 What kind of soil is used to make matkas, surahi etc.? 
Ans. Black soil is used to make matkas, surahi etc.

Ques-16 Why clayey soil feels smooth in touch? 
Ans. Particles of clayey soil are very fine and well aerated. They are very light. So, it feels smooth in touch.

For any query, comment us below.

Click imagination hunt to read latest blogs.

Keep learning and sharing...

No comments:

Post a comment

Featured post

Think that makes you rich and richer

 Napolean said: “You can think and grow rich, but if you can be brought up like most people with work and you won't starve, this wil...