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12th CBSE
IMPORTANT
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According to Allen's Rule, the mammals from colder climates have

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Important Questions on Organisms and Populations

EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 6
Salt concentration (Salinity) of the seawater measured in parts per thousand is
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 7
Formation of tropical forests needs mean annual temperature and mean annual precipitation as
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12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 8
Which of the following forest plants controls the light conditions at the ground?
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12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 9
What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?
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12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 10
If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the growth rate of the population?
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 11
A population of 50 Paramoecium present in a pool increases to 150 after an hour. What would be the percent growth or birth rate per individual per hour for the same population?
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12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 12
A population has more young individuals compared to older individuals. What would be the status of the population after some years?
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12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 13
What parameters are used for tiger census in our country's national parks and sanctuaries?