Last seen: Mar 10, 2022
Correct answer: (1) Explanation: PV = nRT (n, T constant) PV = constant figure.png
Correct answer: (3) (2E)-2-Bromo-hex-2-en-4-yne Explanation: figure.png h.p. → higher priority l.p. → lower priority 2E –2- bromo hex –2...
Correct answer: (2) (A) is true but (R) is false Explanation: From left to right in periodic table Metallic character decreases Non-metallic...
Correct answer: (1) 2 Explanation: figure.png Biuret: Bidentate ligand The denticity of organic ligand is 2.
Correct answer: (3) Both (A) and (R) are true and (R) is the correct explanation of (A) Explanation: Its IUPAC name 1-bromopropan–2-ol A and...
Coral reefs - Andaman and Nicobar Mangrove vegetation - West Bengal Estuaries - Kerala, Karnataka, Tamil Nadu
In many cultures, tracts of forest were set aside, and all the trees and wildlife within were venerated and given total protection. Such sacred groves...
Endangered (ER): It is facing a high risk of extinction in the wild in the near future if conservation measures are not promptly taken. E.g., Red p...
(i) Volcanic storms (ii) Co-extinctions
Humans derive countless direct economic benefits from nature. For example: Food (cereals, pulses, fruits) Firewood Fibre Construction materi...
Scientists make a statistical comparison of the temperate-tropical species richness of an exhaustively studied group of insects and extrapolate this r...
Amphibians live in terrestrial habitat but for sexual reproduction they depend on aquatic habitat. Habitat loss affects the amphibians more greatly th...
(i) Extinction risk: Number of the individuals of the species are declining at an alarming pace. (ii) Predation pressure (iii) Habitat loss and ...
Many bacteria are not culturable under normal conditions in the laboratory. This becomes a problem in studying their morphological, biochemical and ot...
(a) Speciation is generally a function of time, unlike temperate regions subjected to frequent glaciations in the past, tropical latitudes have remain...
Yes, productivity and diversity of a natural climax community remain constant over a time period.
Ecologists have discovered that the value of Z (slope of the line) lies in the range of 0.1 to 0.2, regardless of the taxonomic group or the region (w...
In case a species (x) becomes extinct, the plant and animal species (M, N, O, Z) associated within an obligatory way also become extinct. For examp...
Habitat loss and fragmentation is the most important cause driving animals and plants to extinction. The most dramatic examples of habitat loss come f...
Species extinction occurring at present is due to anthropogenic causes where as the earlier extinction was due to natural causes.