Har MCQ ke nichy Ans b hai ? ------ enables animals to survive periods of reduced food availability. ? Torpor ? Adult human body contains ----- of water by weight. ? 60% ? ------- are strongly affected by light pollution. ? Reptiles ? In stratosphere temperature ranges from ??..near the tropopause ? 51c ? One species gains benefits other species harmed called ?? ? Parasitism ? ---------- is a group of population occupying same space in a particular time. ? Community ? He joined -------------- of medicine Scotland in 1825 but he was not interested in being physician. ? School ? -----------of an animal that warns predators it is toxic, distasteful or dangerous. ? Appearance ? Primary decomposer . Release digestive enzymes by their hyphae. Absorb organic matter and release CO2 ? Fungi ? What percent of the air includes water vapor, carbon dioxide and methane--- ----- ? 1% ? The external factors are -------- Climate And Topography ? Oxygen made stable ------ of atmosphere ? 15% ? Which animal change its color rapidly --------- ? Chameleon ? plants, algae, and cyanobacteria are the examples of------ ? Photoautotrophs ? Cascade Effect Removal of ?..in environment ? apex predator ? ------- is key element in survival of life. ? Atmosphere ? Atmosphere have------ ? 5 layers ? One species gain benefit other species is harmed ? Parasitism ? Fungi is ____ decomposer ? Primary ? CH4, Nitrous oxide, CO2 are---- ? greenhouse gas ? ------is the removed of the forest ? Deforstation ? Organic Compounds that contain ---atoms ? Carbon ? The total average height of troposphere is ______. ? 13 km ? .---------------- is process of increasing concentration of toxic substance. ? Biomagnifications ? First evolutionary scheme was proposed by jean Baptiste Lamarck in ----- ? 1809 ? Jean Baptiste Lamarck ----- was a distinguished French zoologist. ? (1744?1829) ? ----is the amount of chemical energy as biomass that primary producers create in a given length of time. ? Gross primary production (GPP) ? Thermosphere Layer, directly above the mesosphere and below the ------- ? exosphere. ? Plants use light energy in photosynthesis. They convert ---- ? light energy into chemical bond energy ? ----- is Breakdown of tissues by bacteria. ? Putrefaction ? -------is Natural environment where a species/organism lives. ? Habitat ? solar nebula is -------------- ? (disc of dirt and gases) ? 541 million years ago, O2 made stable ------of atmosphere. ? 15% ? ----- is Rain water soaks into (infiltrates) the ground, into the soil and underlying rock layers. ? Percolation ------is Removal of a forest or stand of trees from land which is then converted to a non-forest use. ? Deforestation ? Sound that is unwanted or disrupts one?s quality of life is called as---- ? Noise pollution. ? ------------is The small amount of greenhouse gases (H2O, CO2, methane) traps (absorb and re-emit) the infrared radiation. Increasing the temperature of the atmosphere. ? Greenhouse effect ? Regions with identical climate have different floras and faunas ------------- ? (Buffon?s Law) ? Chemicals added to the atmosphere by natural events or human activities in high enough concentrations to be harmful ? Air Pollutants ? The second major layer of Earth?s atmosphere is ------------------ ? ( Stratosphere) ? The resemblance of one species to another for protective or aggressive purposes----- ? Mimicry ? The first community to become established in an area is called the ?community ? Pioneer ? When a population reaches a -----------, there are more individuals trying to use the same quantity of resources. ? high density ? Energy is lost through -------at every level. ? Respiration ? Effect flows down through a trophic chain. From apex predator to lower trophic levels ? Top-Down Effect ? -----------can be at trophic level as well. They return nutrients back in soil to be available for producers. ? Detritivore and decomposers ? All organisms need ------ to function ? Energy ? Any physical or chemical --------in water that adversely affects the health of humans and other organisms ? Change ? Camouflage Use of any combination of materials, coloration, or illumination Concealment from ------------ ? Predators ? Near the surface of earth ozone concentration about ___ ppm ? 0.04-0.15 ? Rise in mean temperature of 0.6-1.0?C in arid coastal areas, arid mountains and hyper arid plains ? Pakistan nitrogen fixing microbes requires enzyme----------- ? nitrogenase ? Example of winter sleep------------------- ? Bear ? Any preserved remains, impression, or trace of any once-living thing from a past geological age. ? Fossil ? Variations come from --------and causes biodiversity. ? Evolution ? Industrial ?. may contain acids, alkalis, salts, poisons, oils and in some cases harmful bacteria. ? Effluents ? Variability in Net Primary Productivity Wetlands and tropical rain forests is --___ ? 2000 g/m2/ year ? ------ enables animals to survive periods of reduced food availability.______ ? Torpor ? a specific functional role and place of an organism called its -------_______ ? niche ? It Occurs when uptake from the water is greater than excretion______ ? Bioconcentrati ? One of the major disruptions is loss of habitat. ? Extinct ? . Animals use ?.to make organic molecules. ? chemical bond energy ? Hibernation occurs in which of the following animals ? Rodents ? Cyanobacteria is the example of ? Photoautotro ? Small fraction of solar energy (1%) is consumed in ? Photosynthesis ? 3 oxygen atom form ? (ozone.) ? species that occur outside of their natural ranges because of human activity ? Exotic Spec ? They Release digestive enzymes by their hyphae ? Fungi ? of an animal that warns predators it is toxic, distasteful or dangerous. ? Appearance ? Which animal change its color rapidly ? Chameleon ? Atmosphere have ? 5 layers ? One species gain benefit other species is harmed _ ? Parasitisam ? Is the removed of the forest ? Deforstation ? The total average height of troposphere is---- ? 13km the removed of the forest ? Deforstation ? Removal of a forest or stand of trees from land which is then converted to a non-forest use. ... ? Deforestation ? One species gain benefit other species is harmed .. ? parasitisam