Advertisements
Advertisements
प्रश्न
What substances in the soil are useful for the growth of plants?
Advertisements
उत्तर
- 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.
संबंधित प्रश्न
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags
"Burning fossil fuels is a cause of global warming." Justify this statement.
The compound obtained on reaction of iron with steam is/are:
What’s the solution?
We have to remove insects from the grain without using insecticides.
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.
water
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
table.
Classify the following as natural or man-made.
brick
It is a biodegradable waste.
_______ is the process of converting waste materials into new materials.
Select the mis-matched pair in the following and correct it.
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
