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.
Biodiversity day is celebrated on
3.
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
4.
Which one of the following trees is not Eco-friendly?
5.
Which one of the following pairs is correctly matched?
6.
The annual production of biomass is minimal in which of the environment.
7.
Which of the following is an act that disturbs the ecological balance?
8.
The correct order in the food chain of the various components of a terrestrial grass ecosystem is
9.
Which one of the following trees is considered to be an environmental hazard?
10.
Which of the following is the most stable ecosystem?
11.
The tallest known living tree
12.
‘Ecology is permanent economy’ is the slogan of which movement?
13.
In a food chain, man is
14.
Which of the following is considered a ‘hot-spot’ of biodiversity in India?
15.
Biosphere reserves are areas for conservation of
16.
Endangered species are listed in
17.
The highest trophic level in an ecosystem is obtained by
18.
Which one of the following is one of the main causes of ecological imbalance in India?
19.
Chipko movement is related to
20.
Biodiversity is described as