10th class Biology chapter 16 online mcq test with answers for matric part 2 Biology chapter 16(Man and his Environment)

Biology 10th Class English Medium Chapter 16 Online Test

Sr. #	Questions	Answers Choice
1	The thickness of biosphere is:	02 km 20 km 50 km 200 km
2	A network of all the feeding relationships in an ecosystem is called.	Food chain Food web Trophic level Energy flow
3	A community and its biotic components is known as:	Biosphere Habitat Ecosystem Food web
4	A relationship between species in which both species benefit is called.	Parasitism Mutualism Symbiosis Commensalism
5	A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.	Symbiosis Competition Predation Mutualism
6	Water , soil, air, temperature, wind and sunlight are example of:	Biotic factors Biomass Environment Abiotic factors
7	A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs.	Species Genus Family Population
8	The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.	Nitrification Denitrification Nitrogen fixation Assimilation
9	Organisms that make their own food with help of sunlight, CO and H₂O are called.	Consumers Producers Decomposers Predators
10	The type of symbiotic relationship in which one member get benefit and other is harmed is called.	Parasitism Mutualism Commensalism Predation
11	An organism that actively hunts other organisms is called.	Prey Predator Parasite Host
12	Which one of the example of abiotic factor?	Decomposoer Light Water Soil

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