B.Sc. I (Semester (CBCS) Examination, 2018
Biotechnology
Ecology and Microbiology
Paper I Ecology
Day and Date Tuesday, 30-10-2018 Max. Marks 70
Time 10.30 a.m. to 1.00 p.m.
1. Rewrite the sentence using correct alternative given below. 14
Ecology is study of
Only living things
Only non living things
Both living and non living things
Living things and non living things and interaction between them
is an obligatory positive interspecific interaction that is strongly beneficial.
Commensalism Mutualism
Protocooperation Social parasitism
Environment is word.
German French Latin Spanish
Lightning occurs in zone.
Troposphere Stratosphere Mesosphere Ionospheres
The state of India with maximum percentage of its area covered by forest is
Rajasthan Karnataka
Bihar Madhya Pradesh
The term ecosystem was proposed by
Carl Mobius A.Tansley E.Odum E.Clement
The final stable community in ecological succession is called as
Final community Ultimate community
Climax community Seral community
The consumers feed on autotrophs are called as
Producer Primary consumer
Secondary consumer Carnivores
The environmental day celebrated on
12 March 5 June 10 May 4 Jan
10) Crop plant ecosystem is type of ecosystem.
Natural Artificial Marine Limnic
11) The fossils fuel is
Renewable Non renewable
Inexhaustible Non renewable and exhaustible
12) The category of primary consumer includes
Eagles and Tigers Fish and whales
Snakes and frogs Cattles and insect
13) According to Myers, 2000, the no. of hot spots in the world is
10 12 24 25
14) Which of them is most responsible for world water crisis
Dam Floods
Drought Population growth
2. Answer the following (any four) 8
Ecosystem.
Pedogenesis.
Natural resources.
In situ conservation.
Ammonification.
Write notes on (any two) 6
Define environment and its different sphere.
Define biodiversity and its importance.
Define biogeochemical cycle and its types.
3. Answer the following (any two) 8
Explain in detail soil profile.
Write short note on abiotic component of ecosystem.
Explain carbon cycle.
Answer the following (any one) 6
Write a note on estuarine ecosystem.
Explain conservation and management of natural resources.
4. Answer the following (any two) 10
Write a detailed account on grassland ecosystem.
Give an account on energy flow in ecosystem.
Explain in detail phosphorus cycle.
Answer the following (any one) 4
Write an account on silent valley.
Write an account on Narmada Bachao Andolan.
5. Answer the following (any two) 14
Define atmosphere and explain in detail its structure with diagram.
Describe in detail forest as natural resource.
Define aquatic ecosystem and explain in detail freshwater ecosystem.