MDCAT Biology Chapter 8 MCQ's Test With Answers

MDCAT Biology Chapter 8 MCQ's Test

Sr. # Questions Answers Choice
1 The gill pouches present in embryos of mammals : support that ontogeny recapitulates phylogeny homologous structures used by embryos to breathe evidence for the degeneration
2 A mixture of sand and clay in: Silt Kaolin Humus Loam
3 In which types of soil does water logging occur? Silt Clay Gravel Sand
4 Plants growing in extreme cold soil are called: Sciophytes Psychrophytes Heliophytes Cyanophytes
5 Which rule depicts its correct statement regarding temperature variation? <u>Allen's Rule:</u><div>Birds and mammals have greater size in cold region</div> <u>Bergman's Rule:</u><div>The tail snout and ears are smaller in colder region.</div> <u>Jordan's Rule:</u><div>Birds in cold regions are with narrow wings.</div> All are false.
6 Dormancy in animals through a drought or dry season is called: Eurythermal Diapause Aestivation None of these
7 Many cold=blooded animals remain inactive during winter season; it is called: Hibernation Condensation Morphosis Proto-operation
8 Abiotic factors include: Geomagnetism Gravity Water All these
9 Tick the biotic (intra-specific) factors: Wave action, humidity, light Colonization,aggregation,parental care Neutralism,mutualism,predation Mineral elements, mutualism,parasitism
10 Two main types of environment factors are: Geotropism and phototropism Abiotic and biotic Land aquatic None of these
11 _____is the study of interaction between living organism and their environment Evolation Genetics Ecology Sociology
12 Nutrient cycle are also called us: Biogeochemical cycles Elemental cycles Geochemical cycles Biochemical cycles
13 Over-grazing may lead to: Desert Tundra Taiga Grassland
14 The type of association between two organisms, which brings benefit to both the organisms is called Commensalism Predation Mutualism Parasitism
15 The animal that is caught and eaten away is called Victim Prey Predators Host
16 Actual place or location where an organism lives is called us: Niche Terrain Habitat Domain
17 Major unit of ecology is : Ecosystem Community Biosphere Population
18 Shallow water zone of the lake near the shore is called: Intertidal zone Littoral zone profundal zone Limnetic zone
19 Grasslands of tropic climate have woody trees and are called: Alpine Boreal Biome Savanna
20 Dominant plant species in grassland are: Graminoids Trees Climbers Herbs
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