UNIT IX: Plant Ecology - Online Test
Q1.
Consider the following statements
concerning food chains
i) Removal of 80% tigers from an area
resulted in greatly increased growth of vegetation.
ii) Removal of most of the carnivores
resulted in an increased population of deers.
iii) The length of food chains is
generally limited to 3 – 4 trophic levels due to energy loss.
iv) The length of food chains may vary
from 2 to 8 trophic levels.
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Which one of the following is not used for construction of ecological pyramids?
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. The UN Conference of Parties on climate change in the year 2012 was held at
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. Which of the following are most suitable
indicators of SO2 pollution in the environment?
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. Which of the following is not one of the prime health risks associated with greater UV radiations through the atmosphere due to depletion of stratospheric ozone?
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. A location with luxuriant growth of lichens on the trees indicates that the
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. The ozone of atmosphere in which the ozone layer is present is called
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. Which one of the following is a wrong statement?
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. Good ozone is found in the
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Chipko movement was launched for the protection of
Answer : Option A
Explaination / Solution:
No Explaination.
