10th Class Biology Solved MCQS
In the food chain grass?grasshopper?sparrow? hawk,the secondary consumers is:
sparrow
grass
grasshopper
hawk
A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.
Predation
Mutualism
Symbiosis
Competition
250 years age, the population of world was approximately ———— million.
700
400
500
600
The factor of an ecosystem is:
light
algae
producers
bacteria
The utilization of nitrates by organisms is called.
Denitrification
Ammonification
Nitrification
Assimilation
_________ atom is the principal building block of many kind of biomolecules.
Nitrogen
Hydrogen
Carbon
Oxygen
The study of the relationship between organisms and their environment called.
Biology
Genetics
Microbiology
Ecology
Living of nitrogen fixing bacteria in the roots nodules of Leguminous plant is an example of.
Commensalism
Predation
Mutualism
Parasitism
it is example of secondary consumer.
Lion
Frog
Snake
Cattle
Which one of the example of abiotic factor?
Soil
Water
Light
Decomposoer
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