Biology
Grade-9
Easy
Question
Which of the following processes is not involved in the pretreatment stage of land farming?
- Soil excavation
- Soil screening
- Storage
- Biomagnification
The correct answer is: Biomagnification
Related Questions to study
Biology
BiologyGrade-8
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
