MEDIUM
12th ICSE
IMPORTANT
Earn 100

Differentiate between the birth rate and the death rate.

Important Questions on Organisms and Populations

HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 57
What is age pyramid?
EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 58
Lichen is considered as a good example of obligate mutualism. Explain.
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 59
List any two adaptive features evolved in parasites enabling them to live successfully on their host?
EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 60
What would be the growth rate pattern, when the resources are unlimited?
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 61
In 1981, the 'r' value for the human population in India was 0.0205.
Why is 'r' an important parameter?
MEDIUM
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 62
Name the type of curve that is formed for a population growing in a habitat with limited resources.
HARD
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Organisms and Populations>Exercise>Q 64
What is meant by sex ratio? Is it a characteristic of an individual or a population?
EASY
12th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 5 - Solved Biology Paper-2>Exercise>Q 4
Define predation along with two examples.