Biodiversity: It is the number and range of variety of species of life forms in an area. Effect Loss of diversity may lead to a loss of ecological stability.
Biodiversity: It is the number and range of variety of species of life forms in an area.
Effect Loss of diversity may lead to a loss of ecological stability.
Two causes of pollution of the river Ganga: (l) Disposal of industrial effluents. (ii) Human activities like bathing, washing, immersion of ashes, etc. (iii) Disposal of untreated sewage. Harmful effects on health - Spreads water-borne diseases. - Consumptions of contaminated fishes.
Two causes of pollution of the river Ganga:
(l) Disposal of industrial effluents.
(ii) Human activities like bathing, washing, immersion of ashes, etc.
(iii) Disposal of untreated sewage.
Harmful effects on health
– Spreads water-borne diseases.
– Consumptions of contaminated fishes.
What is biodiversity? What will happen if biodiversity of an area is not preserved? Mention one effect of it.
Biodiversity: It is the number and range of variety of species of life forms in an area. Effect Loss of diversity may lead to a loss of ecological stability.
Biodiversity: It is the number and range of variety of species of life forms in an area.
See lessEffect Loss of diversity may lead to a loss of ecological stability.
List two main causes of the pollution of water of the river Ganga. State how pollution and contamination of river water prove harmful for the health of the people of neighbouring area.
Two causes of pollution of the river Ganga: (l) Disposal of industrial effluents. (ii) Human activities like bathing, washing, immersion of ashes, etc. (iii) Disposal of untreated sewage. Harmful effects on health - Spreads water-borne diseases. - Consumptions of contaminated fishes.
Two causes of pollution of the river Ganga:
See less(l) Disposal of industrial effluents.
(ii) Human activities like bathing, washing, immersion of ashes, etc.
(iii) Disposal of untreated sewage.
Harmful effects on health
– Spreads water-borne diseases.
– Consumptions of contaminated fishes.
Name the life process of an organism that helps in the growth of its population.
Reproduction.
Reproduction.
See lessWrite the number of covalent bonds in the molecule of ethane.
Seven
Seven
See less