No. of questions -20
Time - 10 min
Negative marking : -0.25 mark
1.
The minimum area of the land required to completely sustain the life of the person is called his
2.
Which of the following is an act that disturbs the ecological balance?
3.
The annual production of biomass is minimal in which of the environment.
4.
Which one of the following pairs is correctly matched?
5.
Biosphere reserves are areas for conservation of
6.
Which one of the following trees is not Eco-friendly?
7.
Which of the following can be threats to the biodiversity of a geographical area?
1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the
code given below.Deselect Answer
8.
Which one of the following trees is considered to be an environmental hazard?
9.
The tallest known living tree
10.
In a food chain, man is
11.
Endangered species are listed in
12.
Which of the following is the most stable ecosystem?
13.
Biodiversity day is celebrated on
14.
Chipko movement is related to
15.
Which one of the following is one of the main causes of ecological imbalance in India?
16.
‘Ecology is permanent economy’ is the slogan of which movement?
17.
Which of the following is considered a ‘hot-spot’ of biodiversity in India?
18.
Biodiversity is described as
19.
The highest trophic level in an ecosystem is obtained by
20.
The correct order in the food chain of the various components of a terrestrial grass ecosystem is
