MEDIUM
12th CBSE
IMPORTANT
Earn 100

A protozoan reproduces by binary fission. What will be the number of protozoans in its population after six generations?

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Important Questions on Organisms and Populations

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 16
In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using the exponential equation, the number of people present in 2015 is predicted as
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 17
Amensalism is an association between two species where
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 18
Lichens are the associations of
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 19
Which of the following is a partial root parasite?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>MULTIPLE-CHOICE QUESTIONS>Q 20
Which one of the following organisms reproduces sexually only once in its lifetime?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>VERY SHORT ANSWER TYPE QUESTIONS>Q 2
What are Eurythermic species?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>VERY SHORT ANSWER TYPE QUESTIONS>Q 3
Species that can tolerate a wide range of salinity are called _____. (stenohaline/ euryhaline/ eurythermal)
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 13 - Organisms and Populations>VERY SHORT ANSWER TYPE QUESTIONS>Q 4
Define stenohaline species.