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