10. It is based on the assumption that. A biodiversity hot-spot is characterized by:Endemic plantsEndemic flowering plantsSpecies of flowering plantsThreat perception 1. ","number":"This field must be a number! With the current rate of extinction, by the end of  21st century, earth may lose 50% of its species. Welcome to Ecology MCQ-07 (Biodiversity). Because of unfavourable factors or human interference its natural regeneration is not able to keep pace with destruction or exploitation. Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. Wildlife refers to (a) plants in water and on land (b) animals in the forests (c) living organism in their natural habitats (d) carnivorous animals such as lion, tiger etc Answer: (b) animals in the forests 2. Tags: Question 13 . The solved questions answers in this Test: Biodiversity And Its Conservation (Level 1) quiz give you a good mix of … Coral reef ecosystem are also facing threats due to discharge of effluents from industries and thermal power plants, chemical pollution in oil spillage. It lists plants grown in protected areas. The ecosystem having the longest energy transfer time is:Tropical rain forestOpen OceanDesertTemperate Deciduous forest Welcome to Ecology MCQ-08 (Biodiversity Conservation). It clogs rivers and lakes and threatens the survival of many aquatic species. Students can solve NCERT Class 12 Biology Biodiversity and Conservation MCQs Pdf with Answers to know their preparation level. Enter your e-mail address. 13. These are the taxa which fall into any one of the above three categories- endangered vulnerable and rare. Extinction means disappearance of species from any geographical region. 7. Other rare species have become rare because of the interference of human or other unnatural forces. Excessive withdrawal of water from wetlands, fishing, building of dams,jetties and canals have adversely affected the wetland ecosystems. It proved to be a great threat for the native small Cichlid fish which is endemic to this lake. You have selected wrong answer. Be it water, air, or land pollution, all forms of pollution appear to be a threat to all life forms … Type of biome in California and coastal regions of Mediterranean Sea is: Among the following, a critically endangered plant species is: The area under the forest covers in India as per estimates of 2001 is: Among the following which plant family has been extensively used for the phytoremediation process? The reduction of large areas rich in biodiversity into small pockets due to the establishment of agricultural fields, roads and other developmental projects play vital role in loss the of biodiversity. MCQ quiz on Biodiversity multiple choice questions and answers on biodiversity MCQ questions quiz on biodiversity objectives questions with answer test pdf. Threats to Biodiversity The core threat to biodiversity on the planet, and therefore a threat to human welfare, is the combination of human population growth and resource exploitation. ","incorrect":"The entered text is not correct! Pollution. Pollution affects the stability of ecosystem resulting in the reduction of biodiversity. Which vertebrate group is more vulnerable to extinction?Options:(a) Birds (b) Amphibians(c) Mammals (d) FishesAnswer=BQ.2 From origin of life to its diversification on earth, there have occurred following number of episodes of mass MCQs on Biodiversity : 1. Eichhornia and Lantana are two plants which strongly compete with the existing species. This MCQ set consists of Ecology and Environmental Sciences Multiple Choice Questions from the topic Biodiversity and Conservation Part 1 with Answer Key. Animal biologist generally uses Line‐transect method for estimating density. III. The answer key is prepared with best of our knowledge. Changes in climate throughout our planet's history have, of course, altered life on Earth in the long run — ecosystems have come and gone and species routinely go extinct.But rapid, manmade climate change speeds up the process, without affording ecosystems and species the time to adapt. Among the following which is NOT the correct explanation for high biodiversity in tropical rain forests?Long evolutionary timeMore surface areaHigh productivityMinimum competition 9. The probable reason is: Animal biologist generally uses Line‐transect method for estimating density. Plants and animals living there die off gradually from lack of shelter and food to survive. Covering 70 per cent of the … Extinction due to human activities is termed as anthropogenic extinction. Biodiversity refers to. Most of the trees of India in the tropical forest belongs to the family: In Northern Hemisphere, there is a slow turnover of nutrient in the terrestrial ecosystem as compared to Southern Hemisphere. Q. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. ","empty":"Please complete all required fields! 3. Botanical Survey of India has a Green book  which has a list of hundreds of rare plants . Terrestrial biodiversity tends to be greater near the equator which seems to be the result of the warm climate and high primary productivity. Access the answers to hundreds of Biodiversity questions that are explained in a way that's easy for you to understand. 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