Last seen: Dec 29, 2021
Correct answer: (c) Jim Corbett
Correct answer: (c) Soil and flora is utilised
Correct answer: (c) Cryopreservation
Yes, there are various kinds of parasites and disease-causing microbes that we deliberately want to eradicate from the earth. Since these micro-organi...
Scientists recorded 22% of plant species diversity including algae, fungi, bryophytes, pteridophytes, gymnosperms, and angiosperms. But they recorded ...
(i) Control of soil erosion: Plant roots hold the soil particles tightly and do not allow the topsoil to be drifted away by winds or moving water. Pla...
Sacred groves are forest patches around places of work. These are held in high esteem by tribal communities/ state or central government. Tribals do n...
An ecosystem with high species diversity is much more stable than an ecosystem with low species diversity. Also, high biodiversity makes the ecosystem...
The major causes of species losses in a geographical area are: Habitat loss and fragmentation Overexploitation Alien species invasion Co-ex...
The slope of regression/regression co-efficient of species-area relationship indicates that species richness decreases with a decrease in area. T...
The three hypotheses for higher species richness in tropical areas are: (i) Prolong evolutionary time: Temperate areas have undergone frequent glaci...
The diversity of living organisms present on the earth is very vast. According to an estimate by researchers, it is about seven million. The total num...
The three important components of biodiversity are genetic diversity, species diversity and ecological diversity. These components are the basic build...
Robert Constanza et al have tried to put a price tag. It’s estimated to be about 33 trillion US dollars.
Rocks are the natural reservoir of phosphorus. It is present in the form of phosphates.
(a) 4 × 1013 kg of carbon is fixed annually. (b) 71% of carbon is dissolved in the ocean.
(i) Dissolved carbon in oceans. (ii) Carbon in fossil fuels.
Standing State (i) Standing state refers to the amount of nutrients such as nitrogen, phosphorus, calcium, etc. present in the soil of an ecosystem ...
Lichens are the pioneer species in the succession on rocks; they secrete acids to dissolve the rock and help in weathering and soil formation and pave...