Download OU (Osmania University) B.Sc Life Sciences 5th Sem Ecology and Biodiversity Important Question Bank For 2021 Exam
BSC (CBCS) Botany- III Year Semester-V Paper VI- Question Ban Subject
Title- Ecology and Biodiversity
Faculty Name- . Gouthami
UNIT-I : ECOLOGY
Essay Questions:
? What is an Ecosystem? Describe the different components of an
Ecosystem?
? What are the Ecological pyramids? Describe the pyramids of numbers,
biomass and energy?
? Give an account of energy flow in an ecosystem? How it confirms the law
of thermodynamics?
What do you understand by bio- geo chemical cycle? Give an account of
nitrogen cycle.
? Describe the ecosystem of a pond?
?
What is environment? Write in detail about the various spheres of
environment.
?
Write in detail about atmosphere and its layers.
?
What are heliophytes and sciophytes? Compare and contrast their
features.
?
What are hydrophytes? Describe their important morphological and
anatomical characters?
?
Briefly discuss the ecological adaptation of xerophytes?
? Describe the effect of biotic factors on vegetation?
? Describe the role of light and temperature as ecological factors?
? Write in detail an essay on Edaphic factors?
Short Answer Questions:
? Food chain and food web.
? Carbon cycle.
? Halophytes.
? Process of soil formation.
? What are residual and transporter soils.
? Soil erosion and conservation.
? Soil profile.
UNIT-II : ECOLOGY
Essay Questions:
? What is plant succession? Describe xerosere.
? Describe the hydrosere type of succession?
? Define primary productivity. Discuss different factors which influence
primary productivity of an ecosystem?
? Describe different characteristics shown by plant communities?
Short Answer Questions:
? Natality and mortality.
? Population growth and growth curves.
? Age pyramids.
? Biological spectrum.
? Rauniaer 's life- forms.
? Quadrats .
? P/R ratio.
? Secondary productivity.
UNIT-III:
BIODIVERSITY
AND
CONSERVATION
Essay Questions:
? Enumerate the levels and types of biodiversity.
? Explain the value of biodiversity with examples.
? Explain the effects of biodiversity loss and the means to conserve it.
? Explain the different methods of biodiversity conservation.
? Define biodiversity hotspot and explain the hotspots of India.
? Why India is considered as megadiversity nation. Explain with reasons.
Short Answer Questions:
? Earth summit
? Ex-situ conservation
? In-situ conservation
? WWF
? NBPGR
? IUCN
? Endemic species of India.
? Different categories of IUCN red list.
This post was last modified on 23 January 2021