Tag: CSIR NET Life Science Previous Year Questions Community Ecology

Species richness can be measured with the: (1) abundance of species in an area. (2) number and the abundance of species in an area. (3) number of species in an […]

The Biodiversity Management Committees (BMCs) envisaged under the Biological Diversity Act (2002) and Rules (2004) are constituted at which one of the following administrative levels? (1) Village (2) Tehsil/ Taluka […]

Following are a few statements about India’s biodiversity: A. India has 2.4% of the world’s land area, but accounts for 12% of all recorded species. B. India has over 45,000 […]

Which of the following statements is INCORRECT about a keystone species? (1) Species other than consumers can be a keystone species (2) Keystone species has influence on a community proportionate […]

Following are the descriptions used by conservation biologists for characterizing species / groups in a community: A. Species with a disproportionally large effect on its environment relative to its abundance […]

Species serving as a proxy for entire communities and ecosystems, so that the entire system is conserved if they are conserved, are known as: (1) indicator species. (2) flagship species. […]

Following four types of species were observed in a community: A. Species A has a large effect on community because of its abundance. B. Species B has a large role […]

Ruderal species are those which are found in the environments with (1) low disturbance, high competition (2) high disturbance, low competition (3) low disturbance, low competition (4) high disturbance, high […]

A matrix of plant strategies based on four possible combinations of the intensities of stress and disturbance is given below: In this matrix, ruderal (r) plants are represented by (1) […]

Column X lists various plant types and Column Y lists key features of these plants. Which one of the following options represents all correct matches between Column X and Column […]