Biology
Grade-9
Easy
Question
Which two age pyramid is opposites from each other?
- 1 and 2
- 2 and 3
- 1 and 3
- All of these
Hint:
1 and 3
The correct answer is: 1 and 3
- Both are types of population pyramid.
- 1 is expanding pyramid which shows exponential population growth due to increased natality.
- 2 is declining pyramid which shows decline in population due to increased mortality.
Related Questions to study
Biology
Which of the following age pyramids have pre-reproductive and reproductive groups with similar width?
Which of the following age pyramids have pre-reproductive and reproductive groups with similar width?
BiologyGrade-9
Biology
Match the following
Match the following
BiologyGrade-9
Biology
________ is calculated by dividing the total number of births by the total population in a given period of time.
________ is calculated by dividing the total number of births by the total population in a given period of time.
BiologyGrade-9
Biology
The geometric or exponential growth of all populations is eventually curtailed by
The geometric or exponential growth of all populations is eventually curtailed by
BiologyGrade-9
Biology
The given image is an example of __________.
The given image is an example of __________.
BiologyGrade-9
Biology
Pick the odd one out:
Pick the odd one out:
BiologyGrade-9
Biology
Match the following
Match the following
BiologyGrade-9
Biology
_________ is an act of leaving one’s own country and settling or residing in another country (abroad) permanently.
_________ is an act of leaving one’s own country and settling or residing in another country (abroad) permanently.
BiologyGrade-9
Biology
Mortality is responsible for fluctuation in __________.
Mortality is responsible for fluctuation in __________.
BiologyGrade-9
Biology
Natality (birth rate) is denoted by _________.
Natality (birth rate) is denoted by _________.
BiologyGrade-9
Biology
Which of the following process is responsible for fluctuation in population density?
Which of the following process is responsible for fluctuation in population density?
BiologyGrade-9
Biology
Suggest one word for each of the following statements.
a). Here both species benefit from a relationship
b). Here two species competing for resources such as food, water, nutrients, etc._________
c). Group of similar ecosystems make up individual__________
d). The different species that live together in an ecosystem are called ___________.
Suggest one word for each of the following statements.
a). Here both species benefit from a relationship
b). Here two species competing for resources such as food, water, nutrients, etc._________
c). Group of similar ecosystems make up individual__________
d). The different species that live together in an ecosystem are called ___________.
BiologyGrade-9
Biology
Parasite like ________ feed within humans’ intestines absorbing his/her nutrients.
Parasite like ________ feed within humans’ intestines absorbing his/her nutrients.
BiologyGrade-9
Biology
The community is made up of the same kind of organisms that live in the same area.
The community is made up of the same kind of organisms that live in the same area.
BiologyGrade-9
Biology
Choose the odd one out
Choose the odd one out
BiologyGrade-9
