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biology 14 ecology
Pg.No.
1
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Page 1
Q.1. Study of interrelationship between living organisms and their environment is known as?
Q.2. Various population living in a definite place is known as?
Q.3. Who coined the terms ecosystem or ecological system?
Q.4. Which are the two components of ecosystem?
Q.5. Living component of ecosystem is known as?
Q.6. Non living component of ecosystem is known as?
Q.7. Which are the three parts of biotic components?
Q.8. Those components of ecosystem that make their own food are known as?
Q.9. Those components that consumes the food made by plants are known as?
Q.10. Which are the three types of consumers in ecosystem?
Q.11. Consumers in ecosystem that lives on green plants are known as?
Q.12. Organisms that depends on the primary consumers for their food a known as?
Q.13. Organisms that depend on the secondary consumers for the food are known as?
Q.14. Organisms that decomposes dead consumers are known as?
Q.15. Which are the different types of abiotic components of ecosystem?
Q.16. Transfer of energy from the producer through a series of organisms is known as?
Q.17. Process in which free atmospheric nitrogen is converted by living organisms into nitrogenous compounds that can be used by plants is known as?
Q.18. Formation of ammonia from organic compounds like protein and nucleic acid by microorganisms is known as?
Q.19. The process in which ammonia is converted into nitrates and nitrites by nitro bacteria is known as?
Q.20. The process of converting fix nitrogen like nitrates, nitrites and ammonia into free nitrogen by denitrifying bacteria is known as?
Q.21. Pseudomonas is a type of?
Q.22. Those unwanted changes in the chemical or physical features of air, water and land that are dangerous to human and other organisms, their life conditions, industrial process and cultural achievements are known as?
Q.23. Which are the different types of pollution?
Q.24. When the pollution is in the atmosphere and the sufficient quantity of atmosphere reduces then it is known as?
Q.25. Which are the main air pollutants?
Q.26. Which air pollutants are responsible for acid rain?
Q.27. Mixing of unwanted substances with water is known as?
Q.28. Which are the main water pollutants?
Q.29. Which are the major pollutants of seawater?
Q.30. Unwanted and undesirable sounds scattered in atmosphere are known as?
Q.31. Distorted form of soil is known as?
Q.32. Which are the major sources of soil pollution?
Q.33. Which pollution is caused by Radioactive rays?
Q.34. Which are the major sources of nuclear pollution?
Q.35. Group of individuals of same species occupying the same area at a given time is known as?
Q.36. Total number of individuals present in per unit area is known as?
Q.37. Increase in the number of individuals in a given population by birth is known as?
Q.38. Number of individuals removed from a population due to death under given environmental condition at a given time is known as?
Q.39. The inherent maximum capacity of an organism to reproduce is known as?
Q.40. Environmental factors which put a check on the growth of population are known as?
Q.41. Permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements is known as?
Q.42. Association between individuals of two different species in which one species is benefited and other one is neither benefited not affected is known as?
Q.43. Dramatic increase in population size over a relatively short period is known as?
Q.44. Transition from high birth and death rates to lower birth and death rates is known as?
Q.45. Mild form of mental illness where the patient show prolonged emotional reaction is known as?
Q.46. When drugs are taken for a purpose other than their normal clinical use in an amount that impairs ones physical, physiological and psychological function of body is known as?
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