Biology
Grade-8
Easy
Question
Hint:
1. Pollution
2.Food chain
3.Agriculture
4.Tusks
1. Air pollutants from Automobiles, combustion and smoke from factories cause air pollution.
2. Chemical fertilizers and pesticides enter the Food chain and affect the organisms.
3. Large portions of land used for Agriculture purpose also results in habitat loss.
4. Poaching of elephants is carried out for their Tusks.
Related Questions to study
Biology
._____________ is the introduction of a substance (pollutant) in the environment that has harmful effects.
._____________ is the introduction of a substance (pollutant) in the environment that has harmful effects.
BiologyGrade-8
Biology
The given picture explains about ___________.
The given picture explains about ___________.
BiologyGrade-8
Biology
If the population of the Cane toad increases, then the first population of organisms to be affected are:
If the population of the Cane toad increases, then the first population of organisms to be affected are:
BiologyGrade-8
Biology
Match the following.
a. | 1. Land pollution |
b. | 2. Poaching |
c. | 3. Oil spills |
Match the following.
a. | 1. Land pollution |
b. | 2. Poaching |
c. | 3. Oil spills |
BiologyGrade-8
Biology
BiologyGrade-8
Biology
Cane toad introduced as an _________ species killed many organisms by releasing poison.
Cane toad introduced as an _________ species killed many organisms by releasing poison.
BiologyGrade-8
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-8
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-8
Biology
The difficulty in sunlight penetration in oil spills greatly affects _________.
The difficulty in sunlight penetration in oil spills greatly affects _________.
BiologyGrade-8
Biology
Humans should avoid __________ of foreign species into new habitats.
Humans should avoid __________ of foreign species into new habitats.
BiologyGrade-8
Biology
Reduce, ___________ and recycle materials to limit the waste generated.
Reduce, ___________ and recycle materials to limit the waste generated.
BiologyGrade-8
Biology
Introduction of a non-native species in a new habitat is called ___________.
Introduction of a non-native species in a new habitat is called ___________.
BiologyGrade-8
Biology
__________ should be sprayed in order to kill the pests in agriculture.
__________ should be sprayed in order to kill the pests in agriculture.
BiologyGrade-8
Biology
___________ is the process in which pollutants released in water enter the food chain.
___________ is the process in which pollutants released in water enter the food chain.
BiologyGrade-8
Biology
Over exploitation leads to ________________.
Over exploitation leads to ________________.
BiologyGrade-8