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MCQ on Ecology: Part 1: Ecology Introduction by Easybiologyclass

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Multiple Choice Questions in Ecology and Environmental Science. Ecology Practice Test Questions and Answers. You can use this set of questions to prepare for your CSIR JRF NET Life Science Examination December 2016 Exam

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MCQ on Ecology: Part 1: Ecology Introduction by Easybiologyclass

  1. 1. EBC Print less… Save paper… Save trees… For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 1 ECOLOGY MCQ‐01 (Biology / Life Sciences MCQ: Multiple Choice Questions in Biochemistry) MCQ on Ecosystem: Introduction (Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam) 1. The natural place where the organism or communities live is known as: a. Niche b. Habit c. Habitat d. Biome 2. Any features of an organism or its part which enable it to exist under conditions of its habitat is known as: a. Adaptive variation b. Adjustment c. Acclimatization d. Adaptation 3. According to Shelford’s low of tolerance, an organism with wide tolerance limit for environmental factor usually show: a. Wide distribution with low population size b. Wide distribution with high population size c. Narrow distribution with low population size d. Narrow distribution with high population size 4. Plants which grow under direct sunlight and those growing under shade are called as _______ and _______ respectively. a. Heliophytes and Sciophytes b. Sciophytes and Heliophytes c. Psamophytes and Heliophytes d. Heliophytes and Psamophytes 5. Plants which blooms when the light duration is more than 12 hours per day is known as: a. Long day plants b. Short day plants c. Day neutral plants d. Long day and short night plants 6. Which of the following is not a characteristic of Heliophytes? w w w .easybiologyclass.com
  2. 2. EBC Print less… Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 2   a. Long lateral roots b. Numerous rootlets c. Stem with long internodes d. Vigorous flowering and fruiting 7. The process of vernalization (induction of flowering by cold treatment) is effective in ______ a. Hot countries b. Cold countries c. Only in tropical countries d. Only in sub‐tropical countries 8. The plant of cold or temperate habitat require low temperature for their growth are called: a. Megatherms b. Mesotherms c. Microtherms d. Ekistotherms 9. In thermal stratification where the water body is divided into several layers, the middle region which shows vertical temperature change are called: a. Epilimnion b. Mesolimnion c. Hypolimnion d. Metalimnion 10. In a pond ecosystem, the bottom area where the production is lesser than the respiration (P/R <1) is termed as: a. Limnetic zone b. Profundal zone c. Benthic zone d. Tidal zone 11. The water vapour present in the unit volume of air is called: a. Relative humidity b. Static humidity c. Absolute humidity d. Total humidity 12. The most probable vegetation in an area which receives 60 to 120 cm annual rain fall will be: a. Semi‐arid grass land b. Dry subtropical grassland or savanna c. Humid subtropical forest d. Tropical rainforest w w w .easybiologyclass.com
  3. 3. EBC Print less… Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 3   13. The percentage of oxygen and carbon dioxide in the atmosphere is: a. 20.95 % and 0.04% b. 20.0% and 0.40% c. 20.95% and 0.004% d. 20.0% and 0.44% 14. Which of the following is not a characteristic of ‘r’ selected species a. Produce large number of progenies b. Reproduce quickly c. Low survival rate of progenies d. Parental care 15. The amount of organic matter present at a given time per unit area is called: a. Standing crop b. Standing quality c. Carbon content d. Carbon foot‐print Biology / Life Sciences MCQ: Ecology MCQ01: (Multiple Choice Questions / Model Questions / Sample Questions in Ecology: Ecosystem: Introduction with detailed answer key, explanations and references for preparing CSIR JRF NET Life Science Examination and also for other competitive examinations in Life Science / Biological Science such as ICMR JRF Entrance Exam, DBT BET JRF Exam, GATE (XL) Life Science Exam, GATE (BT) Biotechnology Exam, ICAR JRF Exam, University PG Entrance Exam, JAM Exam, GS Biology Exam, GRE, Medical Entrance Examination etc. This set of practice questions will help to build your confidence in Ecology to face the real examination. A large quantum of questions in our practice MCQ is taken from previous year question papers of various national and international Biology / Life Sciences competitive examinations. Please take advantage of our Lecture Notes, PPTs, Previous Year Questions, Mock Tests, and Video Tutorials for your preparation. You can download all these questions papers and study materials as PDF from our Slideshare account absolutely free (link given below). w w w .easybiologyclass.com
  4. 4. EBC Print less… Save paper… Save trees…   For more Questions and Resources for your CSIR/ICMR/DBT/ICAR/UGC/JRF NET Life Science Examination please visit: www.easybiologyclass.com 4   To know the answer key, please follow the link below http://www.easybiologyclass.com/ecology‐multiple‐choice‐questions‐part‐1‐with‐ answer‐key/
  5. 5. Biology MCQ Save paper… Save trees…   For more Lecture Notes, PPTs, Video Tutorials, Model MCQs, Practical Aids, Jobs Notifications … Please visit:               www.easybiologyclass.com   You may also like…  Simple Biology Lecture Notes  PPT Presentations  Video Lectures  Biology Question Bank  Books and Resources  Practical Aids (protocols) and many more  Biology MCQ  Biology Exams  CSIR UGC JRF NET Life Sciences Resources  Job Opportunities in Biology/Life Sciences  Higher Studies in Biology / Life Sciences  Seminars and Workshops in Biological Sciences For all of these for free… Please visit… www.easybiologyclass.com Please subscribe our youtube channel: easybiologyclass https://www.youtube.com/user/easybiologyclass/videos You can access more PDFs and PPTs from our Slideshare account http://www.slideshare.net/EasyBiologyClassEBC/ Our sister concern: www.angiospermtaxonomy.com

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