OBJECTIVE
Q.1. The part of environment where life forms of the earth, including human beings, live, is
(i) atmosphere (ii) lithosphere (iii) hydrosphere (iv) biosphere
(AKTU. - 2009 - 10)
Q.2. The science that deals with the study of the individual organisms or an individual species is known as
(i) anthropology (ii) autecology (iii) synecology (iv) microbiology (AKTU. - 2009 - 10)
Q.3 Is there an essential difference between ecology and environmentalism, and if so what is it ?
(i) Ecologists study organisms only; environmentalists study organisms and their environment.
(ii) Environmentalism is policy advocacy, ecology is science.
(iii) They really are the same things.
(iv) One is a philosophy and the other is a thought process. (AKTU. - 2010 - 11)
Q.4 Which of the following is characteristics of parasitism ?
(i) One organism kills and consumes another.
(ii) Two organisms live together and neither is harmed.
(iii) Two organisms feed side by side from the same food.
(iv) Two organisms nourish each other; both benefit.
(v) One organism lives in or on another and benefits. (AKTU. - 2010 - 11)
Q.5. The atmosphere is divided into following four layers:
(1) Mesosphere (2) Stratosphere (3) Thermosphere (4) Troposphere
The correct sequence of these layers starting from the surface of earth upwards is
(i) 2 4 1 3
(ii) 4 2 1 3
(iii) 4 2 3 1
(iv) 2 4 3 1 (AKTU. - 2009 - 10)
Fill the following blanks with suitable words -
Q.6. The part of atmosphere, where maximum concentration of ozone is generally found, is _________ (AKTU. - 2009 - 10)
Q.7. The transfer of food energy from the source in plants through a series of organisms with repeated eating and being eaten up is referred to as ____________ (AKTU. - 2009 - 10)
Q.8. The study of the interaction between biotic and abiotic environment is known as ___. (AKTU. - 2008 - 09)
Q.9. ppm stands for ____________ (AKTU. - 2008 - 09)
Q.10. The activity mainly responsible for the pesticide pollution of surface water is ____________ (AKTU. - 2008 - 09)
Q.11. Increasing industrialization is causing much danger to man’s life by __________. (AKTU. - 2008 - 09)
Q.12. Lower portion of the atmosphere is ____________
Q.13. The system resulting from the integration of all the living and non-living factors of the environment is known as ____________
Q.14. ____________are not static, they are dynamic systems in time and space.
Q.15. ____________ is the process of extracting and processing materials.
Q.16. DDT stands for ____________
Q.17. The outer limit of the stratosphere has a mean altitude of about ____________
Q.18. The ____________ Consists of the liquid water, ice and water vapour.
Q.19. The process that producers use to convert inorganic material into organic matter is called ____________
Q.20. In aquatic ecosystems, a different process called ____________takes place.
Q.21. The phenomenon of transition from one biotic community to another is called ____________
Q.22. E.I.A. stands for ____________
Q.23. A World Environment Day is observed on ________ (2010 - 11)
Indicate true or false for the following statements –
Q.24. Biosphere is made of atmosphere, hydrosphere and lithosphere. (AKTU. - 2008 - 09)
Q.25. The global environment consists of three segments.
Q.26. Mesosphere is the middle portion of the atmosphere.
Q.27. Degradation of lands is not the effect of mining.
Q.28. Sustainable development is a moderate position between the extremes of no growth versus unlimited growth.
Choose the correct Answer
1. (iv) 2. (ii) 3. (i) 4. (i) 5. (ii)
Fill in the blanks
6. Startopause 7. Food chain 8. Environmental studies
9. Parts per million 10. Sanitation 11. Water pollution
12. Troposphere 13. Ecosystem 14. Ecosystems
15. Mining 16. Dichloro-diphenol-trichloroethane
17. 50 km. 18. Hydrosphere 19. Photosynthesis 20. Chemosynthesis 21. Ecological succession 22. Environmental Impact Assessment 23. 5th June
True Or False
24. True 25. True. 26. False 27. False
