Advertisements
Advertisements
Question
What substances in the soil are useful for the growth of plants?
Advertisements
Solution
- Plants require water, minerals, and other substances in the soil for their growth.
- The substances formed due to the decomposition of dead and decaying plant and animal material are very useful for plants.
- These substances help in the rapid growth of plants.
APPEARS IN
RELATED QUESTIONS
You being an environmentalist are interested in contributing towards the conservation of natural resources. List four activities that you can do on your own.
Fill in the following blank with suitable word :
The science that deals with the inter-relationships of living things with one another and their environment is called...........
Write one or two word for the following statement/definition :
The physical and biological world where we live in
What is meant by 'environment'?
Write the percentage of solar energy captured by the autotrophs.
Could you observe any microorganisms?
Micro-organisms form a part of the environment.
Classify the following as natural or man-made.
horse.
Classify the following as natural or man-made.
water hyacinth.
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
trees
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
chair
It is a biodegradable waste.
_______ is the process of converting waste materials into new materials.
Take a square paper. Fold its diagonals. Draw three lines in three triangles as shown in the picture.
Cut from the edge of the diagonal to the center as shown in the picture.
If you fold this triangle and paste it behind the third triangle you get a pyramidal shape.
In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
When is the world environment day celebrated?
Suggest one word for the following statement/definition.
The physical and biological world where we live in
What are the by-products of fertiliser industries? How do they affect the environment?
