Ecology
The Aichi Biodiversity Targets were adopted in
Consider the following facts:
- The United Nations has declared 2011-2020 as the International Decade on Education for Sustainable Development.
- United Nations General Assembly declared 2013 as the International Year on Biodiversity.
Which of the above is/are true?
Which of the following facts about corals are true?
- Polyps, which make up corals, belong to the same group of animals as jellyfish.
- Coral reefs are also called ‘rainforests of the sea’.
- Coral reefs are home to a quarter of marine species.
Consider the following facts:
- Terrestrial biodiversity tends to be the highest along the higher latitudes.
- Marine biodiversity is the highest along the littoral zones of Indian Ocean.
Which of the above is/are true?
Which of the following facts about biological interactions is/are true?
- Neutralism is a relationship in which one species benefits, while the other remains neutral.
- Amensalism is a relationship in which a product of one organism has a negative effect on another organism.
Consider the following facts about marine habitats:
- Neritic zone is the coastal waters extending upto continental shelf, different from the littoral zone.
- The benthic zone is the ecological region at the lowest level of a body of water.
Which of the above given facts is/are true?
Keystone species are those which
- are connected to a disproportionately large number of other species in the food web
- have lower levels of biomass in the trophic pyramid relative to the importance of their role
Kwongan heathlands found in Australia are important from an ecological point of view because
Consider the following facts about the Western Ghats:
- The Western Ghats comprise of 39 properties, spread over Kerala, Karnataka and Tamil Nadu.
- They are home to four kinds of ecoregions.
Which of the above is/are true?
In May 2013, which of the following sites were added to the list of World Biosphere Reserves, published by UNESCO?
- Great Nicobar, India
- Ziarat Forest, Pakistan
- Snake Island, China
The Global 200 is the list of ecoregions identified by WWF. Which among the following statuses are assigned to each ecosystem in that list?
- Critical
- Endangered
- Intact
- Extinct
Vascular plants
- are also called higher plants
- are primarily land plants
- have xylem tissue for conducting water and minerals throughout the plant
Which of the above are true?
Consider the following facts:
- The Western Ghats are home to four types of ecoregions.
- The Wayanad forests mark the transition between the northern and southern ecological regions of the Western Ghats.
- The northern ecological regions are more species-rich.
Which of the above given facts is/are true?
What does the acronym HIPPO coined by Edward Wilson, describe?
Consider the following facts:
- UN Millennium Ecosystem Assessment was a programme called for by UN Secretary General in the same year as Millennium Development Goals.
- According to this assessment, over the past 50 years, humans have changed ecosystems more rapidly and extensively than in any comparable period of time in human history.
Which of the above is/are true?