Biotic factors: Biotic factors include living organisms such as rodents, birds, insects and microorganisms which damage stored food grains. Food also gets spoilt by the action of the enzymes present in them.
1. Some soil organisms like bacteria, fungi, earthworm, rodents and termite cause disease. Some aid the aeration of soil, percolation and fertility.Some open up wounds on plants or animals for other pathogen to enter, also reduce the quality and quantity of crop.
2. Some pests includes birds, insects, rodents and some mammals reduce the quality and yield of crops and animals which reduces the income of farmers.
_______________ reduce crop productivity by competing with the main crop for nutrients and light. | |||
Right Option : B | |||
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Which of the following are the biotic factors that affect crops? | |||
Right Option : D | |||
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Some soil organisms like _____________ cause disease. | |||
Right Option : D | |||
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About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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