MDCAT Biology Chapter 8 MCQ's Test With Answers

MDCAT Biology Chapter 8 MCQ's Test

Sr. # Questions Answers Choice
1 Leech is preferably a Host Parasite Predator Mutualist
2 Which is not a seral stage Climax forest Moss Shrub None
3 The oxidation of ammonia is Ammonification Nitrogen fixation Nitrification Denitrification
4 Overgrazing Promotes salinity Promotes erosion Promotes grasses Inhibits dicot competitors
5 What is trampling Eating grasses to roots Nipping leaves Overgrazing Putting pressure on soil to make it compact
6 Ornithology is the sudy of Mammals Reptiles Insects Birds
7 Which are pioneers of terrestrial ecosystem Dermatocarpons Parmelia Polytrichum None of these
8 The ecosystem present on land or soil is called Terrestrial ecosystem Lithospheric ecosystem A and B None
9 Infestations are the diseases which are caused by ________ in living organisms Worms Saprophytes Bacteria Virus
10 A relationship that harms one of the partners is called Parasitism Symbiosis Commensalism None
11 The gross production of an ecosystem is its total Photosynthesis Net production Photosynthate Biomass
12 The oxygen concentration in the air is maintained by the green plants which release it during Fermentation Respiration Photosynthesis Chemosynthesis
13 The organisms found in the gut of the termites which help it digest wood are the Bacteria Fungi Flagellates Viruses
14 Which one of the following is an example of commensalism Nodulated roots Remoras attached to sharks Mycorrhiza Commensalism
15 A symbiotic association between a fungus and the roots of higher plants is known as Lichen Parasitism Mycorrhiza Commensalism
16 The correct sequence in a food chain is Mice - green plants - snake - hawke Green plants - mice - snake - hawk Mice - snake - green plants - hawk Green plants - hawk - snake - mice
17 Which one of the following does not refer to mutialism Mycorrhiza Parasitism Lichen Bacteria in the gut of cow
18 Which of the following is always an intracellular parasite Zooparasite Viral parasite Phyto parasite Microbial parasite
19 In an ecosystem sheep and rabbits are examples of Producers Predators Grazers Saprophytes
20 An animal which captures and readily kills living animals for its food is known as Parasite Predator Scavenger Consumer
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