UNIT IX: Plant Ecology - Online Test
Q1. If 20 J of energy is trapped at producer level,
then how much energy will be available to peacock as food in the following
chain?
Plant → Mice → Snake → Peacock
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. Given below is an imaginary pyramid of numbers.
What could be one of the possibilities about certain organisms at some of the
different levels ?
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. Both hydrarch and xerarch successions lead to
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. Of the total incident solar radiation the proportion of PAR is
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. The breakdown of detritus into smaller particles by earthworm is a process called
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. The biomass available for consumption by the herbivores and the decomposers is called
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. The correct sequence of plants in a hydrosere is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. About 70% of the total global carbon is found in
Answer : Option D
Explaination / Solution:
No Explaination.
