Biology Class 10th MCQs | 10th Class Biology Solved MCQs Online Test

10th Class Biology English Medium Online Test For Full Book

Sr. #	Questions	Answers Choice
1	During nitrogen fixation nitrogen is converted into:	Nitrates nitrates ammonia all to these
2	In the atmosphere, carbon is found as	graphite diamond carbonates carbon dioxide
3	In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:	grass grasshopper sparrow hawk
4	The materials flow forms one trophic level to the next by means of:	food chains food webs energy pyramids both A and B
5	In ecosystem the role of decomposers is played by	animals plants bacteria and fungi algae
6	Consumers include:	animals protozoans fungi all of these
7	The producers of ecosystem are:	fungi bacteria green plants man
8	The factor of an ecosystem is:	light algae bacteria producers
9	All the population that live in a habitat and interact in various ways with one another are collectively called:	ecosystem community biosphere populations
10	A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:	population community ecosystem species
11	The relationship between the alleles IA and IB of the blood group is:	complete dominance incomplete dominance recessiveness co-dominance
12	In dihybrid cross the genotypic ratio of F2 generation is:	1 : 1 ; 1 : 1 1 :3 :1 : 1 1 : 2 : 2 : 1 9 : 3 : 3 : 1