NAT II Biological Science With Answers

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NAT II Biological Science

Sr. # Questions Answers Choice
1 The body of fungus is called as Mycelium Hyphae Septate hyphae Coenocytic
2 What is the contrasting feature on the basis of which fungi are considered different from animals? Lack cellulose in their cell wall Heterotrophs Contains chitin Non-motile
3 The principle stage of nitrogen cycle include all of the following except Ammonification Nitrification Assimilation Nitrogen depletion
4 Mycorrhiza is an association between roots of plants growing in acid soil and certain fungi to which relation it belongs Symbiosis Commensalism Grazing Grazers
5 Disease in living organisms, which are caused by parasites called as Predation Symbiosis Infestations Mutualism
6 An organism that is caught and eaten is called Predator Prey Ectoparasites Endoparasites
7 "In this stage the lichens are just like crumpled leaves attached at one point" about which stage we are talking Crustose lichen stage Foliage lichen stage Moss stage Herbaceous stage
8 An ecosystem is forged from bare rock, sand or clear glacial pool where there is no trace of previous life it refers to Secondary succession Hydrosere Xerosere primary succession
9 In ecosystem an eagle may eat blue birds may eat insects, like caterpillar which feeds on green leaves this is a example of Simple food chain Food web Succession Community relay
10 In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as Consumers Decomposers Producers Parasites
11 While studying the components of an ecosystem what is the biotic component in all these examples? Gravity Topography Consumers Temperature
12 While studying a community er come across three levels of organizations which include all of these except Individual Population Community Species
13 Studying a single population's relationship to its environment will be Synecology Autecology Ecology Etealogy
14 Niche is a brad term which refers to all these statements except which one Role a species plays in a community Job of an organism Basic role of an organism in community An organism responds to variety of environmental factors
15 Thin layer of earth in which all living organism exist is known as Habitat Niche Biosphere Ecological niche
16 Major types of ecosystems, those that occupy board geographical regions are called Climax community Biome Planetary ecosystem Community
17 Which one of the following is a biotic component? Atmosphere Water Fungi Soil
18 Study of relationship of animals to their environment is termed as Ecology Eco System Biotic components
19 The species which is at the threat of danger of extinction is called Endangered species Extinct species Threatened species All of these
20 Historical remnants of structures that had important function in ancestors but are no longer essential presently are called Analogous organs Vestigial organs Fossils None of these
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