Long Answer Type(a) What is El Nino effect? Explain how it accounts for biodiversity loss.
(b) Explain any three measures that you as an individual would take, to reduce environmental pollution.
Short Answer TypeState Gause's Competitive Exclusion Principle.
Gause's Competitive Exclusion Principle states that two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior one will be eliminated eventually. This may be true if resources are limiting, but not otherwise.
Mention the kind of biodiversity of more than a thousand varieties of mangoes in India represent. How is it possible?
Long Answer Type(a) Why should we conserve biodiversity? How can we do it?
(b) Explain the importance of biodiversity hot-spots and sacred groves.
Short Answer Type
Differentiate between in-situ and ex-situ approaches of conservation / of biodiversity.
The cell division involved in gamete formation is not of the same type in different organisms. Justify.
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