MEDIUM
12th CBSE
IMPORTANT
Earn 100

The sequence of communities of primary succession in water is

50% studentsanswered this correctly

Important Questions on Ecosystem

EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 15
The reservoir for the gaseous type of biogeochemical cycle exists in
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 16
If the carbon atoms fixed by producers already have passed through three species, the trophic level of the last species would be
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 17
Which of the following type of ecosystem is expected in an area where evaporation exceeds precipitation and mean annual rainfall is below 100 mm?
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 18
The zone at the edge of a lake or ocean which is alternatively exposed to air and immersed in water is called
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 19
Edaphic factor refers to
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>MULTIPLE-CHOICE QUESTIONS>Q 20
Which of the following is an ecosystem service provided by a natural ecosystem?
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>VERY SHORT ANSWER TYPE QUESTIONS>Q 1
Name an organism found as secondary carnivore in an aquatic ecosystem.
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>VERY SHORT ANSWER TYPE QUESTIONS>Q 2
What does the base tier of the ecological pyramid represent?